Author	SHA1	Message	Date
Greg Kroah-Hartman	d45416b62b	This is the 5.4.86 stable release ... -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl/sW9MACgkQONu9yGCS aT5SwBAAo6dgHqwmPfuf98/8oVeVqTxcmE7GpzpVRH2+yI7Zwk2ez29tAflcM7lT LKtR2WFGAxoCL4DUKXeO7Ubwpue5NoBIsJ8/dAYBesojps3WDaFGL55PvJLWwFJ7 5gPtPzynITaqIC1JCFcrJ7OTp7REiCUZRc1CJXJINWAYL1VbEbH8pH904xfFcivy XnNyL9UiWp1lSB8oF3CRJOaK5M5gY1+wdCFaLVqQn306XDEM8PvZK4G3at/jXWgH jQjArdtC8M8NwjyTwtqW9JAMV+6CD0/HXk0QboTZg6yiaRrtUsfzMqJ1cvhKcQgO kLE3rwdnr3/MxuzSnGWbswflG2WCutoah58g0uN8H0nCiui5mKN6x5K+emgDZIoO ndDnh+/5OE247EK+3CGn/0N8i/fOymrLAnLL4wCXVdlQLMCalnL37ibdfGbAptXi N3GOGZ2iEglvTsEr5w0r86+AzNskm5EqA7mFGFiAyf9viR2xwYk3RrWf2ZyMRos2 2S7mKcZmw7voDu2TIDIhqydToBKxmYI/mUn3mFFme1h3lwzM3zYG1aovVLfd5NkY Gx5E/CA/ut/3n0u/dXJ8SxEitBWkqImp5UdYcElQNxQoXnVU4yKmjf6dDL9Wqh+1 ujCiaCUJd3PY0uXXIb6RWWGs2VaL4xiEnk+ZBm0VI9WEUWksSx0= =jnmv -----END PGP SIGNATURE----- Merge 5.4.86 into android11-5.4-lts Changes in 5.4.86 ARM: dts: sun7i: bananapi: Enable RGMII RX/TX delay on Ethernet PHY ARM: dts: sun8i: r40: bananapi-m2-berry: Fix dcdc1 regulator ARM: dts: sun8i: v40: bananapi-m2-berry: Fix ethernet node pinctrl: merrifield: Set default bias in case no particular value given pinctrl: baytrail: Avoid clearing debounce value when turning it off ARM: dts: sun8i: v3s: fix GIC node memory range ARM: dts: sun7i: pcduino3-nano: enable RGMII RX/TX delay on PHY ARM: dts: imx6qdl-wandboard-revd1: Remove PAD_GPIO_6 from enetgrp ARM: dts: imx6qdl-kontron-samx6i: fix I2C_PM scl pin PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter gpio: zynq: fix reference leak in zynq_gpio functions gpio: mvebu: fix potential user-after-free on probe scsi: bnx2i: Requires MMU xsk: Fix xsk_poll()'s return type xsk: Replace datagram_poll by sock_poll_wait can: softing: softing_netdev_open(): fix error handling clk: renesas: r9a06g032: Drop __packed for portability block: Simplify REQ_OP_ZONE_RESET_ALL handling block: factor out requeue handling from dispatch code blk-mq: In blk_mq_dispatch_rq_list() "no budget" is a reason to kick pinctrl: aspeed: Fix GPIO requests on pass-through banks netfilter: x_tables: Switch synchronization to RCU netfilter: nft_compat: make sure xtables destructors have run netfilter: nft_dynset: fix timeouts later than 23 days afs: Fix memory leak when mounting with multiple source parameters Revert "gpio: eic-sprd: Use devm_platform_ioremap_resource()" gpio: eic-sprd: break loop when getting NULL device resource netfilter: nft_ct: Remove confirmation check for NFT_CT_ID selftests/bpf/test_offload.py: Reset ethtool features after failed setting RDMA/cm: Fix an attempt to use non-valid pointer when cleaning timewait i40e: Refactor rx_bi accesses i40e: optimise prefetch page refcount i40e: avoid premature Rx buffer reuse ixgbe: avoid premature Rx buffer reuse selftests: fix poll error in udpgro.sh net: mvpp2: add mvpp2_phylink_to_port() helper drm/tegra: replace idr_init() by idr_init_base() kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling drm/tegra: sor: Disable clocks on error in tegra_sor_init() habanalabs: put devices before driver removal arm64: syscall: exit userspace before unmasking exceptions vxlan: Add needed_headroom for lower device vxlan: Copy needed_tailroom from lowerdev scsi: mpt3sas: Increase IOCInit request timeout to 30s dm table: Remove BUG_ON(in_interrupt()) iwlwifi: pcie: add one missing entry for AX210 drm/amd/display: Init clock value by current vbios CLKs perf/x86/intel: Check PEBS status correctly kbuild: avoid split lines in .mod files soc/tegra: fuse: Fix index bug in get_process_id usb: mtu3: fix memory corruption in mtu3_debugfs_regset() USB: serial: option: add interface-number sanity check to flag handling USB: gadget: f_acm: add support for SuperSpeed Plus USB: gadget: f_midi: setup SuperSpeed Plus descriptors usb: gadget: f_fs: Re-use SS descriptors for SuperSpeedPlus USB: gadget: f_rndis: fix bitrate for SuperSpeed and above usb: chipidea: ci_hdrc_imx: Pass DISABLE_DEVICE_STREAMING flag to imx6ul ARM: dts: exynos: fix roles of USB 3.0 ports on Odroid XU ARM: dts: exynos: fix USB 3.0 VBUS control and over-current pins on Exynos5410 ARM: dts: exynos: fix USB 3.0 pins supply being turned off on Odroid XU coresight: tmc-etf: Fix NULL ptr dereference in tmc_enable_etf_sink_perf() coresight: tmc-etr: Check if page is valid before dma_map_page() coresight: tmc-etr: Fix barrier packet insertion for perf buffer coresight: etb10: Fix possible NULL ptr dereference in etb_enable_perf() scsi: megaraid_sas: Check user-provided offsets HID: i2c-hid: add Vero K147 to descriptor override serial_core: Check for port state when tty is in error state Bluetooth: Fix slab-out-of-bounds read in hci_le_direct_adv_report_evt() quota: Sanity-check quota file headers on load media: msi2500: assign SPI bus number dynamically crypto: af_alg - avoid undefined behavior accessing salg_name md: fix a warning caused by a race between concurrent md_ioctl()s drm/gma500: fix double free of gma_connector drm/aspeed: Fix Kconfig warning & subsequent build errors drm/mcde: Fix handling of platform_get_irq() error drm/tve200: Fix handling of platform_get_irq() error arm64: dts: renesas: hihope-rzg2-ex: Drop rxc-skew-ps from ethernet-phy node arm64: dts: renesas: cat875: Remove rxc-skew-ps from ethernet-phy node soc: renesas: rmobile-sysc: Fix some leaks in rmobile_init_pm_domains() soc: mediatek: Check if power domains can be powered on at boot time soc: qcom: geni: More properly switch to DMA mode Revert "i2c: i2c-qcom-geni: Fix DMA transfer race" RDMA/bnxt_re: Set queue pair state when being queried rtc: pcf2127: fix pcf2127_nvmem_read/write() returns selinux: fix error initialization in inode_doinit_with_dentry() ARM: dts: aspeed: s2600wf: Fix VGA memory region location RDMA/rxe: Compute PSN windows correctly x86/mm/ident_map: Check for errors from ident_pud_init() ARM: p2v: fix handling of LPAE translation in BE mode x86/apic: Fix x2apic enablement without interrupt remapping sched/deadline: Fix sched_dl_global_validate() sched: Reenable interrupts in do_sched_yield() drm/amdgpu: fix incorrect enum type crypto: talitos - Endianess in current_desc_hdr() crypto: talitos - Fix return type of current_desc_hdr() crypto: inside-secure - Fix sizeof() mismatch ASoC: sun4i-i2s: Fix lrck_period computation for I2S justified mode ARM: dts: aspeed: tiogapass: Remove vuart drm/amdgpu: fix build_coefficients() argument powerpc/64: Set up a kernel stack for secondaries before cpu_restore() spi: img-spfi: fix reference leak in img_spfi_resume f2fs: call f2fs_get_meta_page_retry for nat page drm/msm/dsi_pll_10nm: restore VCO rate during restore_state spi: spi-mem: fix reference leak in spi_mem_access_start ASoC: pcm: DRAIN support reactivation selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling spi: stm32: fix reference leak in stm32_spi_resume brcmfmac: Fix memory leak for unpaired brcmf_{alloc/free} arm64: dts: exynos: Include common syscon restart/poweroff for Exynos7 arm64: dts: exynos: Correct psci compatible used on Exynos7 Bluetooth: Fix null pointer dereference in hci_event_packet() Bluetooth: hci_h5: fix memory leak in h5_close spi: spi-ti-qspi: fix reference leak in ti_qspi_setup spi: mt7621: fix missing clk_disable_unprepare() on error in mt7621_spi_probe spi: tegra20-slink: fix reference leak in slink ops of tegra20 spi: tegra20-sflash: fix reference leak in tegra_sflash_resume spi: tegra114: fix reference leak in tegra spi ops spi: bcm63xx-hsspi: fix missing clk_disable_unprepare() on error in bcm63xx_hsspi_resume mwifiex: fix mwifiex_shutdown_sw() causing sw reset failure selftest/bpf: Add missed ip6ip6 test back ASoC: wm8998: Fix PM disable depth imbalance on error spi: sprd: fix reference leak in sprd_spi_remove ASoC: arizona: Fix a wrong free in wm8997_probe RDMa/mthca: Work around -Wenum-conversion warning MIPS: BCM47XX: fix kconfig dependency bug for BCM47XX_BCMA crypto: qat - fix status check in qat_hal_put_rel_rd_xfer() staging: greybus: codecs: Fix reference counter leak in error handling staging: gasket: interrupt: fix the missed eventfd_ctx_put() in gasket_interrupt.c media: tm6000: Fix sizeof() mismatches media: mtk-vcodec: add missing put_device() call in mtk_vcodec_init_dec_pm() media: mtk-vcodec: add missing put_device() call in mtk_vcodec_release_dec_pm() media: mtk-vcodec: add missing put_device() call in mtk_vcodec_init_enc_pm() media: v4l2-fwnode: Return -EINVAL for invalid bus-type ASoC: meson: fix COMPILE_TEST error scsi: core: Fix VPD LUN ID designator priorities media: solo6x10: fix missing snd_card_free in error handling case video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init() drm/omap: dmm_tiler: fix return error code in omap_dmm_probe() Input: ads7846 - fix race that causes missing releases Input: ads7846 - fix integer overflow on Rt calculation Input: ads7846 - fix unaligned access on 7845 usb/max3421: fix return error code in max3421_probe() spi: mxs: fix reference leak in mxs_spi_probe selftests/bpf: Fix broken riscv build powerpc: Avoid broken GCC __attribute__((optimize)) powerpc/feature: Fix CPU_FTRS_ALWAYS by removing CPU_FTRS_GENERIC_32 EDAC/mce_amd: Use struct cpuinfo_x86.cpu_die_id for AMD NodeId crypto: crypto4xx - Replace bitwise OR with logical OR in crypto4xx_build_pd crypto: omap-aes - Fix PM disable depth imbalance in omap_aes_probe spi: fix resource leak for drivers without .remove callback soc: ti: knav_qmss: fix reference leak in knav_queue_probe soc: ti: Fix reference imbalance in knav_dma_probe drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe Input: omap4-keypad - fix runtime PM error handling clk: meson: Kconfig: fix dependency for G12A RDMA/cxgb4: Validate the number of CQEs memstick: fix a double-free bug in memstick_check ARM: dts: at91: sama5d4_xplained: add pincontrol for USB Host ARM: dts: at91: sama5d3_xplained: add pincontrol for USB Host mmc: pxamci: Fix error return code in pxamci_probe orinoco: Move context allocation after processing the skb qtnfmac: fix error return code in qtnf_pcie_probe() rsi: fix error return code in rsi_reset_card() cw1200: fix missing destroy_workqueue() on error in cw1200_init_common dmaengine: mv_xor_v2: Fix error return code in mv_xor_v2_probe() arm64: tegra: Fix DT binding for IO High Voltage entry media: siano: fix memory leak of debugfs members in smsdvb_hotplug platform/x86: mlx-platform: Remove PSU EEPROM from default platform configuration platform/x86: mlx-platform: Remove PSU EEPROM from MSN274x platform configuration samples: bpf: Fix lwt_len_hist reusing previous BPF map media: imx214: Fix stop streaming mips: cdmm: fix use-after-free in mips_cdmm_bus_discover media: max2175: fix max2175_set_csm_mode() error code slimbus: qcom-ngd-ctrl: Avoid sending power requests without QMI HSI: omap_ssi: Don't jump to free ID in ssi_add_controller() ARM: dts: Remove non-existent i2c1 from 98dx3236 arm64: dts: armada-3720-turris-mox: update ethernet-phy handle name arm64: dts: rockchip: Set dr_mode to "host" for OTG on rk3328-roc-cc power: supply: axp288_charger: Fix HP Pavilion x2 10 DMI matching power: supply: bq24190_charger: fix reference leak genirq/irqdomain: Don't try to free an interrupt that has no mapping arm64: dts: ls1028a: fix ENETC PTP clock input arm64: dts: qcom: c630: Polish i2c-hid devices PCI: Bounds-check command-line resource alignment requests PCI: Fix overflow in command-line resource alignment requests PCI: iproc: Fix out-of-bound array accesses arm64: dts: meson: fix spi-max-frequency on Khadas VIM2 arm64: dts: meson-sm1: fix typo in opp table soc: amlogic: canvas: add missing put_device() call in meson_canvas_get() ARM: dts: at91: at91sam9rl: fix ADC triggers platform/x86: dell-smbios-base: Fix error return code in dell_smbios_init ath10k: Fix the parsing error in service available event ath10k: Fix an error handling path ath10k: Release some resources in an error handling path SUNRPC: rpc_wake_up() should wake up tasks in the correct order NFSv4.2: condition READDIR's mask for security label based on LSM state SUNRPC: xprt_load_transport() needs to support the netid "rdma6" NFSv4: Fix the alignment of page data in the getdeviceinfo reply net: sunrpc: Fix 'snprintf' return value check in 'do_xprt_debugfs' lockd: don't use interval-based rebinding over TCP NFS: switch nfsiod to be an UNBOUND workqueue. selftests/seccomp: Update kernel config vfio-pci: Use io_remap_pfn_range() for PCI IO memory hwmon: (ina3221) Fix PM usage counter unbalance in ina3221_write_enable media: saa7146: fix array overflow in vidioc_s_audio() powerpc/perf: Fix crash with is_sier_available when pmu is not set powerpc/64: Fix an EMIT_BUG_ENTRY in head_64.S clocksource/drivers/orion: Add missing clk_disable_unprepare() on error path clocksource/drivers/cadence_ttc: Fix memory leak in ttc_setup_clockevent() iio: hrtimer-trigger: Mark hrtimer to expire in hard interrupt context ARM: dts: at91: sama5d2: map securam as device bpf: Fix bpf_put_raw_tracepoint()'s use of __module_address() pinctrl: falcon: add missing put_device() call in pinctrl_falcon_probe() arm64: dts: rockchip: Fix UART pull-ups on rk3328 memstick: r592: Fix error return in r592_probe() MIPS: Don't round up kernel sections size for memblock_add() net/mlx5: Properly convey driver version to firmware ASoC: jz4740-i2s: add missed checks for clk_get() dm ioctl: fix error return code in target_message phy: renesas: rcar-gen3-usb2: disable runtime pm in case of failure clocksource/drivers/arm_arch_timer: Use stable count reader in erratum sne clocksource/drivers/arm_arch_timer: Correct fault programming of CNTKCTL_EL1.EVNTI cpufreq: ap806: Add missing MODULE_DEVICE_TABLE cpufreq: highbank: Add missing MODULE_DEVICE_TABLE cpufreq: mediatek: Add missing MODULE_DEVICE_TABLE cpufreq: qcom: Add missing MODULE_DEVICE_TABLE cpufreq: st: Add missing MODULE_DEVICE_TABLE cpufreq: sun50i: Add missing MODULE_DEVICE_TABLE cpufreq: loongson1: Add missing MODULE_ALIAS cpufreq: scpi: Add missing MODULE_ALIAS Bluetooth: btusb: Add the missed release_firmware() in btusb_mtk_setup_firmware() Bluetooth: btmtksdio: Add the missed release_firmware() in mtk_setup_firmware() arm64: dts: meson: fix PHY deassert timing requirements ARM: dts: meson: fix PHY deassert timing requirements arm64: dts: meson: g12a: x96-max: fix PHY deassert timing requirements scsi: qedi: Fix missing destroy_workqueue() on error in __qedi_probe scsi: pm80xx: Fix error return in pm8001_pci_probe() seq_buf: Avoid type mismatch for seq_buf_init scsi: fnic: Fix error return code in fnic_probe() platform/x86: mlx-platform: Fix item counter assignment for MSN2700, MSN24xx systems powerpc/pseries/hibernation: drop pseries_suspend_begin() from suspend ops powerpc/pseries/hibernation: remove redundant cacheinfo update drm/mediatek: avoid dereferencing a null hdmi_phy on an error message ASoC: amd: change clk_get() to devm_clk_get() and add missed checks powerpc/mm: sanity_check_fault() should work for all, not only BOOK3S usb: ehci-omap: Fix PM disable depth umbalance in ehci_hcd_omap_probe usb: oxu210hp-hcd: Fix memory leak in oxu_create speakup: fix uninitialized flush_lock nfsd: Fix message level for normal termination nfs_common: need lock during iterate through the list x86/kprobes: Restore BTF if the single-stepping is cancelled platform/chrome: cros_ec_spi: Don't overwrite spi::mode bus: fsl-mc: fix error return code in fsl_mc_object_allocate() s390/cio: fix use-after-free in ccw_device_destroy_console iwlwifi: mvm: hook up missing RX handlers erofs: avoid using generic_block_bmap can: m_can: m_can_config_endisable(): remove double clearing of clock stop request bit RDMA/core: Do not indicate device ready when device enablement fails remoteproc: q6v5-mss: fix error handling in q6v5_pds_enable remoteproc: qcom: fix reference leak in adsp_start remoteproc: qcom: Fix potential NULL dereference in adsp_init_mmio() clk: tegra: Fix duplicated SE clock entry mtd: rawnand: gpmi: fix reference count leak in gpmi ops mtd: rawnand: meson: Fix a resource leak in init mtd: rawnand: gpmi: Fix the random DMA timeout issue extcon: max77693: Fix modalias string crypto: atmel-i2c - select CONFIG_BITREVERSE mac80211: don't set set TDLS STA bandwidth wider than possible ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control() irqchip/alpine-msi: Fix freeing of interrupts on allocation error path watchdog: armada_37xx: Add missing dependency on HAS_IOMEM watchdog: sirfsoc: Add missing dependency on HAS_IOMEM watchdog: sprd: remove watchdog disable from resume fail path watchdog: sprd: check busy bit before new loading rather than after that watchdog: Fix potential dereferencing of null pointer ubifs: Fix error return code in ubifs_init_authentication() um: Monitor error events in IRQ controller um: tty: Fix handling of close in tty lines um: chan_xterm: Fix fd leak sunrpc: fix xs_read_xdr_buf for partial pages receive RDMA/cma: Don't overwrite sgid_attr after device is released nfc: s3fwrn5: Release the nfc firmware powerpc/ps3: use dma_mapping_error() sparc: fix handling of page table constructor failure mm: don't wake kswapd prematurely when watermark boosting is disabled checkpatch: fix unescaped left brace lan743x: fix rx_napi_poll/interrupt ping-pong net: bcmgenet: Fix a resource leak in an error handling path in the probe functin net: allwinner: Fix some resources leak in the error handling path of the probe and in the remove function net: korina: fix return value libnvdimm/label: Return -ENXIO for no slot in __blk_label_update watchdog: qcom: Avoid context switch in restart handler watchdog: coh901327: add COMMON_CLK dependency clk: ti: Fix memleak in ti_fapll_synth_setup pwm: zx: Add missing cleanup in error path pwm: lp3943: Dynamically allocate PWM chip base perf record: Fix memory leak when using '--user-regs=?' to list registers qlcnic: Fix error code in probe virtio_ring: Cut and paste bugs in vring_create_virtqueue_packed() virtio_net: Fix error code in probe() virtio_ring: Fix two use after free bugs clk: at91: sam9x60: remove atmel,osc-bypass support clk: s2mps11: Fix a resource leak in error handling paths in the probe function clk: sunxi-ng: Make sure divider tables have sentinel kconfig: fix return value of do_error_if() perf probe: Fix memory leak when synthesizing SDT probes ARM: sunxi: Add machine match for the Allwinner V3 SoC cfg80211: initialize rekey_data fix namespaced fscaps when !CONFIG_SECURITY lwt: Disable BH too in run_lwt_bpf() drm/amd/display: Prevent bandwidth overflow drm/amdkfd: Fix leak in dmabuf import Input: cros_ec_keyb - send 'scancodes' in addition to key events initramfs: fix clang build failure Input: goodix - add upside-down quirk for Teclast X98 Pro tablet vfio/pci/nvlink2: Do not attempt NPU2 setup on POWER8NVL NPU media: gspca: Fix memory leak in probe media: sunxi-cir: ensure IR is handled when it is continuous media: netup_unidvb: Don't leak SPI master in probe error path media: ipu3-cio2: Remove traces of returned buffers media: ipu3-cio2: Return actual subdev format media: ipu3-cio2: Serialise access to pad format media: ipu3-cio2: Validate mbus format in setting subdev format media: ipu3-cio2: Make the field on subdev format V4L2_FIELD_NONE Input: cyapa_gen6 - fix out-of-bounds stack access ALSA: hda/ca0132 - Change Input Source enum strings. PM: ACPI: PCI: Drop acpi_pm_set_bridge_wakeup() Revert "ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks" ACPI: PNP: compare the string length in the matching_id() ALSA: hda: Fix regressions on clear and reconfig sysfs ALSA: hda/ca0132 - Fix AE-5 rear headphone pincfg. ALSA: hda/realtek: make bass spk volume adjustable on a yoga laptop ALSA: hda/realtek - Enable headset mic of ASUS X430UN with ALC256 ALSA: hda/realtek - Enable headset mic of ASUS Q524UQK with ALC255 ALSA: hda/realtek - Add supported for more Lenovo ALC285 Headset Button ALSA: pcm: oss: Fix a few more UBSAN fixes ALSA/hda: apply jack fixup for the Acer Veriton N4640G/N6640G/N2510G ALSA: hda/realtek: Add quirk for MSI-GP73 ALSA: hda/realtek: Apply jack fixup for Quanta NL3 ALSA: usb-audio: Add VID to support native DSD reproduction on FiiO devices ALSA: usb-audio: Disable sample read check if firmware doesn't give back ALSA: core: memalloc: add page alignment for iram s390/smp: perform initial CPU reset also for SMT siblings s390/kexec_file: fix diag308 subcode when loading crash kernel s390/dasd: fix hanging device offline processing s390/dasd: prevent inconsistent LCU device data s390/dasd: fix list corruption of pavgroup group list s390/dasd: fix list corruption of lcu list binder: add flag to clear buffer on txn complete ASoC: cx2072x: Fix doubly definitions of Playback and Capture streams staging: comedi: mf6x4: Fix AI end-of-conversion detection perf/x86/intel: Add event constraint for CYCLE_ACTIVITY.STALLS_MEM_ANY perf/x86/intel: Fix rtm_abort_event encoding on Ice Lake powerpc/perf: Exclude kernel samples while counting events in user space. crypto: ecdh - avoid unaligned accesses in ecdh_set_secret() crypto: arm/aes-ce - work around Cortex-A57/A72 silion errata EDAC/i10nm: Use readl() to access MMIO registers EDAC/amd64: Fix PCI component registration cpuset: fix race between hotplug work and later CPU offline USB: serial: mos7720: fix parallel-port state restore USB: serial: digi_acceleport: fix write-wakeup deadlocks USB: serial: keyspan_pda: fix dropped unthrottle interrupts USB: serial: keyspan_pda: fix write deadlock USB: serial: keyspan_pda: fix stalled writes USB: serial: keyspan_pda: fix write-wakeup use-after-free USB: serial: keyspan_pda: fix tx-unthrottle use-after-free USB: serial: keyspan_pda: fix write unthrottling btrfs: do not shorten unpin len for caching block groups btrfs: trim: fix underflow in trim length to prevent access beyond device boundary ext4: fix a memory leak of ext4_free_data ext4: fix deadlock with fs freezing and EA inodes KVM: arm64: Introduce handling of AArch32 TTBCR2 traps ARM: dts: pandaboard: fix pinmux for gpio user button of Pandaboard ES ARM: dts: at91: sama5d2: fix CAN message ram offset and size xprtrdma: Fix XDRBUF_SPARSE_PAGES support powerpc: Fix incorrect stw{, ux, u, x} instructions in __set_pte_at powerpc/rtas: Fix typo of ibm,open-errinjct in RTAS filter powerpc/feature: Add CPU_FTR_NOEXECUTE to G2_LE powerpc/xmon: Change printk() to pr_cont() powerpc/8xx: Fix early debug when SMC1 is relocated powerpc/mm: Fix verification of MMU_FTR_TYPE_44x powerpc/powernv/npu: Do not attempt NPU2 setup on POWER8NVL NPU powerpc/powernv/memtrace: Don't leak kernel memory to user space powerpc/powernv/memtrace: Fix crashing the kernel when enabling concurrently ima: Don't modify file descriptor mode on the fly um: Remove use of asprinf in umid.c ceph: fix race in concurrent __ceph_remove_cap invocations SMB3: avoid confusing warning message on mount to Azure ubifs: wbuf: Don't leak kernel memory to flash jffs2: Fix GC exit abnormally jffs2: Fix ignoring mounting options problem during remounting jfs: Fix array index bounds check in dbAdjTree platform/x86: mlx-platform: remove an unused variable drm/amd/display: Fix memory leaks in S3 resume drm/dp_aux_dev: check aux_dev before use in drm_dp_aux_dev_get_by_minor() drm/i915: Fix mismatch between misplaced vma check and vma insert spi: pxa2xx: Fix use-after-free on unbind spi: spi-sh: Fix use-after-free on unbind spi: atmel-quadspi: Fix use-after-free on unbind spi: davinci: Fix use-after-free on unbind spi: fsl: fix use of spisel_boot signal on MPC8309 spi: gpio: Don't leak SPI master in probe error path spi: mxic: Don't leak SPI master in probe error path spi: pic32: Don't leak DMA channels in probe error path spi: rb4xx: Don't leak SPI master in probe error path spi: sc18is602: Don't leak SPI master in probe error path spi: st-ssc4: Fix unbalanced pm_runtime_disable() in probe error path spi: synquacer: Disable clock in probe error path spi: mt7621: Disable clock in probe error path spi: mt7621: Don't leak SPI master in probe error path spi: atmel-quadspi: Disable clock in probe error path spi: atmel-quadspi: Fix AHB memory accesses soc: qcom: smp2p: Safely acquire spinlock without IRQs mtd: spinand: Fix OOB read mtd: parser: cmdline: Fix parsing of part-names with colons mtd: rawnand: qcom: Fix DMA sync on FLASH_STATUS register read mtd: rawnand: meson: fix meson_nfc_dma_buffer_release() arguments scsi: qla2xxx: Fix crash during driver load on big endian machines scsi: lpfc: Fix invalid sleeping context in lpfc_sli4_nvmet_alloc() scsi: lpfc: Re-fix use after free in lpfc_rq_buf_free() iio: buffer: Fix demux update iio: adc: rockchip_saradc: fix missing clk_disable_unprepare() on error in rockchip_saradc_resume iio:light:rpr0521: Fix timestamp alignment and prevent data leak. iio:light:st_uvis25: Fix timestamp alignment and prevent data leak. iio:magnetometer:mag3110: Fix alignment and data leak issues. iio:pressure:mpl3115: Force alignment of buffer iio:imu:bmi160: Fix too large a buffer. iio:adc:ti-ads124s08: Fix buffer being too long. iio:adc:ti-ads124s08: Fix alignment and data leak issues. md/cluster: block reshape with remote resync job md/cluster: fix deadlock when node is doing resync job pinctrl: sunxi: Always call chained_irq_{enter, exit} in sunxi_pinctrl_irq_handler clk: ingenic: Fix divider calculation with div tables clk: mvebu: a3700: fix the XTAL MODE pin to MPP1_9 clk: tegra: Do not return 0 on failure device-dax/core: Fix memory leak when rmmod dax.ko dma-buf/dma-resv: Respect num_fences when initializing the shared fence list. xen-blkback: set ring->xenblkd to NULL after kthread_stop() xen/xenbus: Allow watches discard events before queueing xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path() xen/xenbus/xen_bus_type: Support will_handle watch callback xen/xenbus: Count pending messages for each watch xenbus/xenbus_backend: Disallow pending watch messages libnvdimm/namespace: Fix reaping of invalidated block-window-namespace labels platform/x86: intel-vbtn: Allow switch events on Acer Switch Alpha 12 PCI: Fix pci_slot_release() NULL pointer dereference regulator: axp20x: Fix DLDO2 voltage control register mask for AXP22x rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS" x86/CPU/AMD: Save AMD NodeId as cpu_die_id Linux 5.4.86 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: If271639b9a7c833718f8cfdfbacce5affe7f4189	2020-12-30 12:31:14 +01:00
Nicholas Piggin	9b6ebb202b	kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling ... [ Upstream commit 8ff00399b153440c1c83e20c43020385b416415b ] powerpc/64s keeps a counter in the mm which counts bits set in mm_cpumask as well as other things. This means it can't use generic code to clear bits out of the mask and doesn't adjust the arch specific counter. Add an arch override that allows powerpc/64s to use clear_tasks_mm_cpumask(). Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201126102530.691335-4-npiggin@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>	2020-12-30 11:50:56 +01:00
Greg Kroah-Hartman	fa46997961	This is the 5.4.48 stable release ... -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl7wXk8ACgkQONu9yGCS aT5uyhAA1EoV9ROPRt8Vw1fzlDIrRA5X2T+FCGXskg2kKWehVHAvge4U76nZ16+i aYcBX3lAmN7GGVw+/GiRHf9QpiwOUF5f3ZUQZ0KuLS1gcuaXx+VC1h5yyunx3tm1 CI01B2p+GQ3jABWopnhsujMVAeWjbD18NqY+a+xOzTn8CCyLAli+LiviWCR/apQp p4r6++eevWo1yMDlJGNGoMYsFcxChWhtlnDQKWCsIDCN3I1cinGz8wopiv93WqRH Sz3wb1YMuhXb10usNZcZFaSvDGf5XSaMxpRkyNSxN7CLv8LzbovXQOE+fFDGAYxd lUCjRK0wFBMzRSeZ2iGYqqQf5xyYKb6hNmViGprdqwR2c3MBHN/Xs5aDLqJEgHkr OXzZLyHUngRfp3GpagFGV6q06S6fgb9ca/7FuT4Hn8Z3tb5Xt7b/KlPcW3VymiSt I37itASNA/Qs6Njl4tDd9GjwbcOAs+s/XabasU+pXscOkf3o8fYMy2krisy176D/ AXtRTLq4pc42I8c3tv5uCNz7Zje/qytKSPErNRBAedvOu5JX7ab6hgULPH4N7r0N Di/LyKqYw+ZBa4AfzcsvlR3wJLWqni+aFj5yppSrNkH7kNzZGLmlw8xIo8v1CFYw T86b13WmHPqvyFWQLpX5WCEYu0OCw5YCUyQXSsLZN5oC7gAwC7U= =FSdI -----END PGP SIGNATURE----- Merge 5.4.48 into android-5.4-stable Changes in 5.4.48 ACPI: GED: use correct trigger type field in _Exx / _Lxx handling drm/amdgpu: fix and cleanup amdgpu_gem_object_close v4 ath10k: Fix the race condition in firmware dump work queue drm: bridge: adv7511: Extend list of audio sample rates media: staging: imgu: do not hold spinlock during freeing mmu page table media: imx: imx7-mipi-csis: Cleanup and fix subdev pad format handling crypto: ccp -- don't "select" CONFIG_DMADEVICES media: vicodec: Fix error codes in probe function media: si2157: Better check for running tuner in init objtool: Ignore empty alternatives spi: spi-mem: Fix Dual/Quad modes on Octal-capable devices drm/amdgpu: Init data to avoid oops while reading pp_num_states. arm64/kernel: Fix range on invalidating dcache for boot page tables libbpf: Fix memory leak and possible double-free in hashmap__clear spi: pxa2xx: Apply CS clk quirk to BXT x86,smap: Fix smap_{save,restore}() alternatives sched/fair: Refill bandwidth before scaling net: atlantic: make hw_get_regs optional net: ena: fix error returning in ena_com_get_hash_function() efi/libstub/x86: Work around LLVM ELF quirk build regression ath10k: remove the max_sched_scan_reqs value arm64: cacheflush: Fix KGDB trap detection media: staging: ipu3: Fix stale list entries on parameter queue failure rtw88: fix an issue about leak system resources spi: dw: Zero DMA Tx and Rx configurations on stack ACPICA: Dispatcher: add status checks block: alloc map and request for new hardware queue arm64: insn: Fix two bugs in encoding 32-bit logical immediates block: reset mapping if failed to update hardware queue count drm: rcar-du: Set primary plane zpos immutably at initializing lockdown: Allow unprivileged users to see lockdown status ixgbe: Fix XDP redirect on archs with PAGE_SIZE above 4K platform/x86: dell-laptop: don't register micmute LED if there is no token MIPS: Loongson: Build ATI Radeon GPU driver as module Bluetooth: Add SCO fallback for invalid LMP parameters error kgdb: Disable WARN_CONSOLE_UNLOCKED for all kgdb kgdb: Prevent infinite recursive entries to the debugger pmu/smmuv3: Clear IRQ affinity hint on device removal ACPI/IORT: Fix PMCG node single ID mapping handling mips: Fix cpu_has_mips64r1/2 activation for MIPS32 CPUs spi: dw: Enable interrupts in accordance with DMA xfer mode clocksource: dw_apb_timer: Make CPU-affiliation being optional clocksource: dw_apb_timer_of: Fix missing clockevent timers media: dvbdev: Fix tuner->demod media controller link btrfs: account for trans_block_rsv in may_commit_transaction btrfs: do not ignore error from btrfs_next_leaf() when inserting checksums ARM: 8978/1: mm: make act_mm() respect THREAD_SIZE batman-adv: Revert "disable ethtool link speed detection when auto negotiation off" ice: Fix memory leak ice: Fix for memory leaks and modify ICE_FREE_CQ_BUFS mmc: meson-mx-sdio: trigger a soft reset after a timeout or CRC error Bluetooth: btmtkuart: Improve exception handling in btmtuart_probe() spi: dw: Fix Rx-only DMA transfers x86/kvm/hyper-v: Explicitly align hcall param for kvm_hyperv_exit net: vmxnet3: fix possible buffer overflow caused by bad DMA value in vmxnet3_get_rss() x86: fix vmap arguments in map_irq_stack staging: android: ion: use vmap instead of vm_map_ram ath10k: fix kernel null pointer dereference media: staging/intel-ipu3: Implement lock for stream on/off operations spi: Respect DataBitLength field of SpiSerialBusV2() ACPI resource brcmfmac: fix wrong location to get firmware feature regulator: qcom-rpmh: Fix typos in pm8150 and pm8150l tools api fs: Make xxx__mountpoint() more scalable e1000: Distribute switch variables for initialization dt-bindings: display: mediatek: control dpi pins mode to avoid leakage drm/mediatek: set dpi pin mode to gpio low to avoid leakage current audit: fix a net reference leak in audit_send_reply() media: dvb: return -EREMOTEIO on i2c transfer failure. media: platform: fcp: Set appropriate DMA parameters MIPS: Make sparse_init() using top-down allocation ath10k: add flush tx packets for SDIO chip Bluetooth: btbcm: Add 2 missing models to subver tables audit: fix a net reference leak in audit_list_rules_send() Drivers: hv: vmbus: Always handle the VMBus messages on CPU0 dpaa2-eth: fix return codes used in ndo_setup_tc netfilter: nft_nat: return EOPNOTSUPP if type or flags are not supported selftests/bpf: Fix memory leak in extract_build_id() net: bcmgenet: set Rx mode before starting netif net: bcmgenet: Fix WoL with password after deep sleep lib/mpi: Fix 64-bit MIPS build with Clang exit: Move preemption fixup up, move blocking operations down sched/core: Fix illegal RCU from offline CPUs drivers/perf: hisi: Fix typo in events attribute array iocost_monitor: drop string wrap around numbers when outputting json net: lpc-enet: fix error return code in lpc_mii_init() selinux: fix error return code in policydb_read() drivers: net: davinci_mdio: fix potential NULL dereference in davinci_mdio_probe() media: cec: silence shift wrapping warning in __cec_s_log_addrs() net: allwinner: Fix use correct return type for ndo_start_xmit() powerpc/spufs: fix copy_to_user while atomic libertas_tf: avoid a null dereference in pointer priv xfs: clean up the error handling in xfs_swap_extents Crypto/chcr: fix for ccm(aes) failed test MIPS: Truncate link address into 32bit for 32bit kernel mips: cm: Fix an invalid error code of INTVN_*_ERR kgdb: Fix spurious true from in_dbg_master() xfs: reset buffer write failure state on successful completion xfs: fix duplicate verification from xfs_qm_dqflush() platform/x86: intel-vbtn: Use acpi_evaluate_integer() platform/x86: intel-vbtn: Split keymap into buttons and switches parts platform/x86: intel-vbtn: Do not advertise switches to userspace if they are not there platform/x86: intel-vbtn: Also handle tablet-mode switch on "Detachable" and "Portable" chassis-types iwlwifi: avoid debug max amsdu config overwriting itself nvme: refine the Qemu Identify CNS quirk nvme-pci: align io queue count with allocted nvme_queue in nvme_probe nvme-tcp: use bh_lock in data_ready ath10k: Remove msdu from idr when management pkt send fails wcn36xx: Fix error handling path in 'wcn36xx_probe()' net: qed*: Reduce RX and TX default ring count when running inside kdump kernel drm/mcde: dsi: Fix return value check in mcde_dsi_bind() mt76: avoid rx reorder buffer overflow md: don't flush workqueue unconditionally in md_open raid5: remove gfp flags from scribble_alloc() iocost: don't let vrate run wild while there's no saturation signal veth: Adjust hard_start offset on redirect XDP frames net/mlx5e: IPoIB, Drop multicast packets that this interface sent rtlwifi: Fix a double free in _rtl_usb_tx_urb_setup() mwifiex: Fix memory corruption in dump_station kgdboc: Use a platform device to handle tty drivers showing up late x86/boot: Correct relocation destination on old linkers sched: Defend cfs and rt bandwidth quota against overflow mips: MAAR: Use more precise address mask mips: Add udelay lpj numbers adjustment crypto: stm32/crc32 - fix ext4 chksum BUG_ON() crypto: stm32/crc32 - fix run-time self test issue. crypto: stm32/crc32 - fix multi-instance drm/amd/powerpay: Disable gfxoff when setting manual mode on picasso and raven drm/amdgpu: Sync with VM root BO when switching VM to CPU update mode selftests/bpf: CONFIG_IPV6_SEG6_BPF required for test_seg6_loop.o x86/mm: Stop printing BRK addresses MIPS: tools: Fix resource leak in elf-entry.c m68k: mac: Don't call via_flush_cache() on Mac IIfx btrfs: improve global reserve stealing logic btrfs: qgroup: mark qgroup inconsistent if we're inherting snapshot to a new qgroup macvlan: Skip loopback packets in RX handler PCI: Don't disable decoding when mmio_always_on is set MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe() bcache: fix refcount underflow in bcache_device_free() mmc: sdhci-msm: Set SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 quirk staging: greybus: sdio: Respect the cmd->busy_timeout from the mmc core mmc: via-sdmmc: Respect the cmd->busy_timeout from the mmc core ice: fix potential double free in probe unrolling ixgbe: fix signed-integer-overflow warning iwlwifi: mvm: fix aux station leak mmc: sdhci-esdhc-imx: fix the mask for tuning start point spi: dw: Return any value retrieved from the dma_transfer callback cpuidle: Fix three reference count leaks platform/x86: hp-wmi: Convert simple_strtoul() to kstrtou32() platform/x86: intel-hid: Add a quirk to support HP Spectre X2 (2015) platform/x86: intel-vbtn: Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type platform/x86: asus_wmi: Reserve more space for struct bias_args libbpf: Fix perf_buffer__free() API for sparse allocs bpf: Fix map permissions check bpf: Refactor sockmap redirect code so its easy to reuse bpf: Fix running sk_skb program types with ktls selftests/bpf, flow_dissector: Close TAP device FD after the test kasan: stop tests being eliminated as dead code with FORTIFY_SOURCE string.h: fix incompatibility between FORTIFY_SOURCE and KASAN btrfs: free alien device after device add btrfs: include non-missing as a qualifier for the latest_bdev btrfs: send: emit file capabilities after chown btrfs: force chunk allocation if our global rsv is larger than metadata btrfs: fix error handling when submitting direct I/O bio btrfs: fix wrong file range cleanup after an error filling dealloc range btrfs: fix space_info bytes_may_use underflow after nocow buffered write btrfs: fix space_info bytes_may_use underflow during space cache writeout powerpc/mm: Fix conditions to perform MMU specific management by blocks on PPC32. mm: thp: make the THP mapcount atomic against __split_huge_pmd_locked() mm: initialize deferred pages with interrupts enabled mm/pagealloc.c: call touch_nmi_watchdog() on max order boundaries in deferred init mm: call cond_resched() from deferred_init_memmap() ima: Fix ima digest hash table key calculation ima: Switch to ima_hash_algo for boot aggregate ima: Evaluate error in init_ima() ima: Directly assign the ima_default_policy pointer to ima_rules ima: Call ima_calc_boot_aggregate() in ima_eventdigest_init() ima: Remove __init annotation from ima_pcrread() evm: Fix possible memory leak in evm_calc_hmac_or_hash() ext4: fix EXT_MAX_EXTENT/INDEX to check for zeroed eh_max ext4: fix error pointer dereference ext4: fix race between ext4_sync_parent() and rename() PCI: Avoid Pericom USB controller OHCI/EHCI PME# defect PCI: Avoid FLR for AMD Matisse HD Audio & USB 3.0 PCI: Avoid FLR for AMD Starship USB 3.0 PCI: Add ACS quirk for Intel Root Complex Integrated Endpoints PCI: vmd: Add device id for VMD device 8086:9A0B x86/amd_nb: Add Family 19h PCI IDs PCI: Add Loongson vendor ID serial: 8250_pci: Move Pericom IDs to pci_ids.h x86/amd_nb: Add AMD family 17h model 60h PCI IDs ima: Remove redundant policy rule set in add_rules() ima: Set again build_ima_appraise variable PCI: Program MPS for RCiEP devices e1000e: Disable TSO for buffer overrun workaround e1000e: Relax condition to trigger reset for ME workaround carl9170: remove P2P_GO support media: go7007: fix a miss of snd_card_free media: cedrus: Program output format during each run serial: 8250: Avoid error message on reprobe Bluetooth: hci_bcm: fix freeing not-requested IRQ b43legacy: Fix case where channel status is corrupted b43: Fix connection problem with WPA3 b43_legacy: Fix connection problem with WPA3 media: ov5640: fix use of destroyed mutex clk: mediatek: assign the initial value to clk_init_data of mtk_mux igb: Report speed and duplex as unknown when device is runtime suspended hwmon: (k10temp) Add AMD family 17h model 60h PCI match EDAC/amd64: Add AMD family 17h model 60h PCI IDs power: vexpress: add suppress_bind_attrs to true power: supply: core: fix HWMON temperature labels power: supply: core: fix memory leak in HWMON error path pinctrl: samsung: Correct setting of eint wakeup mask on s5pv210 pinctrl: samsung: Save/restore eint_mask over suspend for EINT_TYPE GPIOs gnss: sirf: fix error return code in sirf_probe() sparc32: fix register window handling in genregs32_[gs]et() sparc64: fix misuses of access_process_vm() in genregs32_[sg]et() dm crypt: avoid truncating the logical block size alpha: fix memory barriers so that they conform to the specification powerpc/fadump: use static allocation for reserved memory ranges powerpc/fadump: consider reserved ranges while reserving memory powerpc/fadump: Account for memory_limit while reserving memory kernel/cpu_pm: Fix uninitted local in cpu_pm ARM: tegra: Correct PL310 Auxiliary Control Register initialization soc/tegra: pmc: Select GENERIC_PINCONF ARM: dts: exynos: Fix GPIO polarity for thr GalaxyS3 CM36651 sensor's bus ARM: dts: at91: sama5d2_ptc_ek: fix vbus pin ARM: dts: s5pv210: Set keep-power-in-suspend for SDHCI1 on Aries drivers/macintosh: Fix memleak in windfarm_pm112 driver powerpc/32s: Fix another build failure with CONFIG_PPC_KUAP_DEBUG powerpc/kasan: Fix issues by lowering KASAN_SHADOW_END powerpc/kasan: Fix shadow pages allocation failure powerpc/32: Disable KASAN with pages bigger than 16k powerpc/64s: Don't let DT CPU features set FSCR_DSCR powerpc/64s: Save FSCR to init_task.thread.fscr after feature init kbuild: force to build vmlinux if CONFIG_MODVERSION=y sunrpc: svcauth_gss_register_pseudoflavor must reject duplicate registrations. sunrpc: clean up properly in gss_mech_unregister() mtd: rawnand: Fix nand_gpio_waitrdy() mtd: rawnand: onfi: Fix redundancy detection check mtd: rawnand: brcmnand: fix hamming oob layout mtd: rawnand: diskonchip: Fix the probe error path mtd: rawnand: sharpsl: Fix the probe error path mtd: rawnand: ingenic: Fix the probe error path mtd: rawnand: xway: Fix the probe error path mtd: rawnand: orion: Fix the probe error path mtd: rawnand: socrates: Fix the probe error path mtd: rawnand: oxnas: Fix the probe error path mtd: rawnand: sunxi: Fix the probe error path mtd: rawnand: plat_nand: Fix the probe error path mtd: rawnand: pasemi: Fix the probe error path mtd: rawnand: mtk: Fix the probe error path mtd: rawnand: tmio: Fix the probe error path w1: omap-hdq: cleanup to add missing newline for some dev_dbg f2fs: fix checkpoint=disable:%u%% perf probe: Do not show the skipped events perf probe: Fix to check blacklist address correctly perf probe: Check address correctness by map instead of _etext perf symbols: Fix debuginfo search for Ubuntu perf symbols: Fix kernel maps for kcore and eBPF Linux 5.4.48 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I9954fb3f08956419e8586bcb9078e604df207fb9	2020-06-22 11:43:59 +02:00
Peter Zijlstra	f7757368e0	sched/core: Fix illegal RCU from offline CPUs ... [ Upstream commit bf2c59fce4074e55d622089b34be3a6bc95484fb ] In the CPU-offline process, it calls mmdrop() after idle entry and the subsequent call to cpuhp_report_idle_dead(). Once execution passes the call to rcu_report_dead(), RCU is ignoring the CPU, which results in lockdep complaining when mmdrop() uses RCU from either memcg or debugobjects below. Fix it by cleaning up the active_mm state from BP instead. Every arch which has CONFIG_HOTPLUG_CPU should have already called idle_task_exit() from AP. The only exception is parisc because it switches them to &init_mm unconditionally (see smp_boot_one_cpu() and smp_cpu_init()), but the patch will still work there because it calls mmgrab(&init_mm) in smp_cpu_init() and then should call mmdrop(&init_mm) in finish_cpu(). WARNING: suspicious RCU usage ----------------------------- kernel/workqueue.c:710 RCU or wq_pool_mutex should be held! other info that might help us debug this: RCU used illegally from offline CPU! Call Trace: dump_stack+0xf4/0x164 (unreliable) lockdep_rcu_suspicious+0x140/0x164 get_work_pool+0x110/0x150 __queue_work+0x1bc/0xca0 queue_work_on+0x114/0x120 css_release+0x9c/0xc0 percpu_ref_put_many+0x204/0x230 free_pcp_prepare+0x264/0x570 free_unref_page+0x38/0xf0 __mmdrop+0x21c/0x2c0 idle_task_exit+0x170/0x1b0 pnv_smp_cpu_kill_self+0x38/0x2e0 cpu_die+0x48/0x64 arch_cpu_idle_dead+0x30/0x50 do_idle+0x2f4/0x470 cpu_startup_entry+0x38/0x40 start_secondary+0x7a8/0xa80 start_secondary_resume+0x10/0x14 Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Link: https://lkml.kernel.org/r/20200401214033.8448-1-cai@lca.pw Signed-off-by: Sasha Levin <sashal@kernel.org>	2020-06-22 09:31:01 +02:00
Greg Kroah-Hartman	a9372c6b57	This is the 5.4.33 stable release ... -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl6ZbdIACgkQONu9yGCS aT5Jqw/7BZ639nTAAmz809yOF1JBhvBptRg9tBKYAfw62DzfZe5s9IZA6znIt0f0 nlluLvnhHlDSpgycHNkFry5AkiCUpRQW6NY681xITm918w3BxsKX2pfCawojIOSw YBaTWoWqNFQQWlC18L1CWJmIvIktSCHXBMTVDpnvRv7sw5A4Oe/zarzVDNb0A6OJ ThaR7LAKJrUEDDLuCOuB/IrYCOpOzg2SkViFmlo4wmmhvCSi8PXvf3royrSFXxM/ Y1bs67Hu/uqeHl8Y2RaMZpXf1aW9F31sooca4GD+UnVoWppjIOKRyuGLTrXKv7pw /goIzlE8wfJz5K0iQ4UcbXwwdY81L9UlMdVsmIWHHgxMjSp1J5mfQ5TLUC/VK3UO Ll9tCYBwH4FjzxNRJq7if8TDAfgPzyhw4BMchgXZWzW1oasl51T2uEye3KgFXQSb u6TwCx4KGS0w/Q81SKis83Pb0unHGanJOSCZxI1B44raf0ruCBpTYUc713pfegWT 46YtwoorAK8N+GpFQA1tsTJvVclqCF5bHVE19TMvXV4UX/VTPtbIAUE7vnvcxcqO uh0b9Jfmd6Fcgh7VZQCH7CUYnsyJmGqj2kycB1p+T8UB6H+PCeuQBZBl8sJnf8oj d5NIzB7WWXBQuEG5XuPtxg6+ARMPEIpd2exEVn9ZOv5qhesBo04= =pjAq -----END PGP SIGNATURE----- Merge 5.4.33 into android-5.4-stable Changes in 5.4.33 ARM: dts: sun8i-a83t-tbs-a711: HM5065 doesn't like such a high voltage bus: sunxi-rsb: Return correct data when mixing 16-bit and 8-bit reads ARM: dts: Fix dm814x Ethernet by changing to use rgmii-id mode bpf: Fix deadlock with rq_lock in bpf_send_signal() iwlwifi: mvm: Fix rate scale NSS configuration Input: tm2-touchkey - add support for Coreriver TC360 variant soc: fsl: dpio: register dpio irq handlers after dpio create rxrpc: Abstract out the calculation of whether there's Tx space rxrpc: Fix call interruptibility handling net: stmmac: platform: Fix misleading interrupt error msg net: vxge: fix wrong __VA_ARGS__ usage hinic: fix a bug of waitting for IO stopped hinic: fix the bug of clearing event queue hinic: fix out-of-order excution in arm cpu hinic: fix wrong para of wait_for_completion_timeout hinic: fix wrong value of MIN_SKB_LEN selftests/net: add definition for SOL_DCCP to fix compilation errors for old libc cxgb4/ptp: pass the sign of offset delta in FW CMD drm/scheduler: fix rare NULL ptr race cfg80211: Do not warn on same channel at the end of CSA qlcnic: Fix bad kzalloc null test i2c: st: fix missing struct parameter description i2c: pca-platform: Use platform_irq_get_optional media: rc: add keymap for Videostrong KII Pro cpufreq: imx6q: Fixes unwanted cpu overclocking on i.MX6ULL staging: wilc1000: avoid double unlocking of 'wilc->hif_cs' mutex media: venus: hfi_parser: Ignore HEVC encoding for V1 firmware: arm_sdei: fix double-lock on hibernate with shared events null_blk: Fix the null_add_dev() error path null_blk: Handle null_add_dev() failures properly null_blk: fix spurious IO errors after failed past-wp access media: imx: imx7_mipi_csis: Power off the source when stopping streaming media: imx: imx7-media-csi: Fix video field handling xhci: bail out early if driver can't accress host in resume ACPI: EC: Do not clear boot_ec_is_ecdt in acpi_ec_add() x86: Don't let pgprot_modify() change the page encryption bit dma-mapping: Fix dma_pgprot() for unencrypted coherent pages block: keep bdi->io_pages in sync with max_sectors_kb for stacked devices debugfs: Check module state before warning in {full/open}_proxy_open() irqchip/versatile-fpga: Handle chained IRQs properly time/sched_clock: Expire timer in hardirq context media: allegro: fix type of gop_length in channel_create message sched: Avoid scale real weight down to zero selftests/x86/ptrace_syscall_32: Fix no-vDSO segfault PCI/switchtec: Fix init_completion race condition with poll_wait() block, bfq: move forward the getting of an extra ref in bfq_bfqq_move media: i2c: video-i2c: fix build errors due to 'imply hwmon' libata: Remove extra scsi_host_put() in ata_scsi_add_hosts() pstore/platform: fix potential mem leak if pstore_init_fs failed gfs2: Do log_flush in gfs2_ail_empty_gl even if ail list is empty gfs2: Don't demote a glock until its revokes are written cpufreq: imx6q: fix error handling x86/boot: Use unsigned comparison for addresses efi/x86: Ignore the memory attributes table on i386 genirq/irqdomain: Check pointer in irq_domain_alloc_irqs_hierarchy() block: Fix use-after-free issue accessing struct io_cq media: i2c: ov5695: Fix power on and off sequences usb: dwc3: core: add support for disabling SS instances in park mode irqchip/gic-v4: Provide irq_retrigger to avoid circular locking dependency md: check arrays is suspended in mddev_detach before call quiesce operations firmware: fix a double abort case with fw_load_sysfs_fallback spi: spi-fsl-dspi: Replace interruptible wait queue with a simple completion locking/lockdep: Avoid recursion in lockdep_count_{for,back}ward_deps() block, bfq: fix use-after-free in bfq_idle_slice_timer_body btrfs: qgroup: ensure qgroup_rescan_running is only set when the worker is at least queued btrfs: remove a BUG_ON() from merge_reloc_roots() btrfs: restart relocate_tree_blocks properly btrfs: track reloc roots based on their commit root bytenr ASoC: fix regwmask ASoC: dapm: connect virtual mux with default value ASoC: dpcm: allow start or stop during pause for backend ASoC: topology: use name_prefix for new kcontrol usb: gadget: f_fs: Fix use after free issue as part of queue failure usb: gadget: composite: Inform controller driver of self-powered ALSA: usb-audio: Add mixer workaround for TRX40 and co ALSA: hda: Add driver blacklist ALSA: hda: Fix potential access overflow in beep helper ALSA: ice1724: Fix invalid access for enumerated ctl items ALSA: pcm: oss: Fix regression by buffer overflow fix ALSA: hda/realtek: Enable mute LED on an HP system ALSA: hda/realtek - a fake key event is triggered by running shutup ALSA: doc: Document PC Beep Hidden Register on Realtek ALC256 ALSA: hda/realtek - Set principled PC Beep configuration for ALC256 ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups ALSA: hda/realtek - Add quirk for Lenovo Carbon X1 8th gen ALSA: hda/realtek - Add quirk for MSI GL63 media: venus: firmware: Ignore secure call error on first resume media: hantro: Read be32 words starting at every fourth byte media: ti-vpe: cal: fix disable_irqs to only the intended target media: ti-vpe: cal: fix a kernel oops when unloading module seccomp: Add missing compat_ioctl for notify acpi/x86: ignore unspecified bit positions in the ACPI global lock field ACPICA: Allow acpi_any_gpe_status_set() to skip one GPE ACPI: PM: s2idle: Refine active GPEs check thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n nvmet-tcp: fix maxh2cdata icresp parameter nvme-fc: Revert "add module to ops template to allow module references" efi/x86: Add TPM related EFI tables to unencrypted mapping checks PCI: pciehp: Fix indefinite wait on sysfs requests PCI/ASPM: Clear the correct bits when enabling L1 substates PCI: Add boot interrupt quirk mechanism for Xeon chipsets PCI: qcom: Fix the fixup of PCI_VENDOR_ID_QCOM PCI: endpoint: Fix for concurrent memory allocation in OB address region sched/fair: Fix enqueue_task_fair warning tpm: Don't make log failures fatal tpm: tpm1_bios_measurements_next should increase position index tpm: tpm2_bios_measurements_next should increase position index KEYS: reaching the keys quotas correctly cpu/hotplug: Ignore pm_wakeup_pending() for disable_nonboot_cpus() genirq/debugfs: Add missing sanity checks to interrupt injection irqchip/versatile-fpga: Apply clear-mask earlier io_uring: remove bogus RLIMIT_NOFILE check in file registration pstore: pstore_ftrace_seq_next should increase position index MIPS/tlbex: Fix LDDIR usage in setup_pw() for Loongson-3 MIPS: OCTEON: irq: Fix potential NULL pointer dereference PM / Domains: Allow no domain-idle-states DT property in genpd when parsing PM: sleep: wakeup: Skip wakeup_source_sysfs_remove() if device is not there ath9k: Handle txpower changes even when TPC is disabled signal: Extend exec_id to 64bits x86/tsc_msr: Use named struct initializers x86/tsc_msr: Fix MSR_FSB_FREQ mask for Cherry Trail devices x86/tsc_msr: Make MSR derived TSC frequency more accurate x86/entry/32: Add missing ASM_CLAC to general_protection entry platform/x86: asus-wmi: Support laptops where the first battery is named BATT KVM: nVMX: Properly handle userspace interrupt window request KVM: s390: vsie: Fix region 1 ASCE sanity shadow address checks KVM: s390: vsie: Fix delivery of addressing exceptions KVM: x86: Allocate new rmap and large page tracking when moving memslot KVM: VMX: Always VMCLEAR in-use VMCSes during crash with kexec support KVM: x86: Gracefully handle __vmalloc() failure during VM allocation KVM: VMX: Add a trampoline to fix VMREAD error handling KVM: VMX: fix crash cleanup when KVM wasn't used smb3: fix performance regression with setting mtime CIFS: Fix bug which the return value by asynchronous read is error mtd: spinand: Stop using spinand->oobbuf for buffering bad block markers mtd: spinand: Do not erase the block before writing a bad block marker btrfs: Don't submit any btree write bio if the fs has errors Btrfs: fix crash during unmount due to race with delayed inode workers btrfs: reloc: clean dirty subvols if we fail to start a transaction btrfs: set update the uuid generation as soon as possible btrfs: drop block from cache on error in relocation btrfs: fix missing file extent item for hole after ranged fsync btrfs: unset reloc control if we fail to recover btrfs: fix missing semaphore unlock in btrfs_sync_file btrfs: use nofs allocations for running delayed items remoteproc: qcom_q6v5_mss: Don't reassign mpss region on shutdown remoteproc: qcom_q6v5_mss: Reload the mba region on coredump remoteproc: Fix NULL pointer dereference in rproc_virtio_notify crypto: rng - Fix a refcounting bug in crypto_rng_reset() crypto: mxs-dcp - fix scatterlist linearization for hash erofs: correct the remaining shrink objects io_uring: honor original task RLIMIT_FSIZE mmc: sdhci-of-esdhc: fix esdhc_reset() for different controller versions powerpc/pseries: Drop pointless static qualifier in vpa_debugfs_init() tools: gpio: Fix out-of-tree build regression net: qualcomm: rmnet: Allow configuration updates to existing devices arm64: dts: allwinner: h6: Fix PMU compatible sched/core: Remove duplicate assignment in sched_tick_remote() arm64: dts: allwinner: h5: Fix PMU compatible mm, memcg: do not high throttle allocators based on wraparound dm writecache: add cond_resched to avoid CPU hangs dm integrity: fix a crash with unusually large tag size dm verity fec: fix memory leak in verity_fec_dtr dm clone: Add overflow check for number of regions dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() XArray: Fix xas_pause for large multi-index entries xarray: Fix early termination of xas_for_each_marked crypto: caam/qi2 - fix chacha20 data size error crypto: caam - update xts sector size for large input length crypto: ccree - protect against empty or NULL scatterlists crypto: ccree - only try to map auth tag if needed crypto: ccree - dec auth tag size from cryptlen map scsi: zfcp: fix missing erp_lock in port recovery trigger for point-to-point scsi: ufs: fix Auto-Hibern8 error detection scsi: lpfc: Fix lpfc_io_buf resource leak in lpfc_get_scsi_buf_s4 error path ARM: dts: exynos: Fix polarity of the LCD SPI bus on UniversalC210 board arm64: dts: ti: k3-am65: Add clocks to dwc3 nodes arm64: armv8_deprecated: Fix undef_hook mask for thumb setend selftests: vm: drop dependencies on page flags from mlock2 tests selftests/vm: fix map_hugetlb length used for testing read and write selftests/powerpc: Add tlbie_test in .gitignore vfio: platform: Switch to platform_get_irq_optional() drm/i915/gem: Flush all the reloc_gpu batch drm/etnaviv: rework perfmon query infrastructure drm: Remove PageReserved manipulation from drm_pci_alloc drm/amdgpu/powerplay: using the FCLK DPM table to set the MCLK drm/amdgpu: unify fw_write_wait for new gfx9 asics powerpc/pseries: Avoid NULL pointer dereference when drmem is unavailable nfsd: fsnotify on rmdir under nfsd/clients/ NFS: Fix use-after-free issues in nfs_pageio_add_request() NFS: Fix a page leak in nfs_destroy_unlinked_subrequests() ext4: fix a data race at inode->i_blocks fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once() ocfs2: no need try to truncate file beyond i_size perf tools: Support Python 3.8+ in Makefile s390/diag: fix display of diagnose call statistics Input: i8042 - add Acer Aspire 5738z to nomux list ftrace/kprobe: Show the maxactive number on kprobe_events clk: ingenic/jz4770: Exit with error if CGU init failed clk: ingenic/TCU: Fix round_rate returning error kmod: make request_module() return an error when autoloading is disabled cpufreq: powernv: Fix use-after-free hfsplus: fix crash and filesystem corruption when deleting files libata: Return correct status in sata_pmp_eh_recover_pm() when ATA_DFLAG_DETACH is set ipmi: fix hung processes in __get_guid() xen/blkfront: fix memory allocation flags in blkfront_setup_indirect() powerpc/64/tm: Don't let userspace set regs->trap via sigreturn powerpc/fsl_booke: Avoid creating duplicate tlb1 entry powerpc/hash64/devmap: Use H_PAGE_THP_HUGE when setting up huge devmap PTE entries powerpc/xive: Use XIVE_BAD_IRQ instead of zero to catch non configured IPIs powerpc/64: Setup a paca before parsing device tree etc. powerpc/xive: Fix xmon support on the PowerNV platform powerpc/kprobes: Ignore traps that happened in real mode powerpc/64: Prevent stack protection in early boot scsi: mpt3sas: Fix kernel panic observed on soft HBA unplug powerpc: Make setjmp/longjmp signature standard arm64: Always force a branch protection mode when the compiler has one dm zoned: remove duplicate nr_rnd_zones increase in dmz_init_zone() dm clone: replace spin_lock_irqsave with spin_lock_irq dm clone: Fix handling of partial region discards dm clone: Add missing casts to prevent overflows and data corruption scsi: lpfc: Add registration for CPU Offline/Online events scsi: lpfc: Fix Fabric hostname registration if system hostname changes scsi: lpfc: Fix configuration of BB credit recovery in service parameters scsi: lpfc: Fix broken Credit Recovery after driver load Revert "drm/dp_mst: Remove VCPI while disabling topology mgr" drm/dp_mst: Fix clearing payload state on topology disable drm/amdgpu: fix gfx hang during suspend with video playback (v2) drm/i915/icl+: Don't enable DDI IO power on a TypeC port in TBT mode powerpc/kasan: Fix kasan_remap_early_shadow_ro() mmc: sdhci: Convert sdhci_set_timeout_irq() to non-static mmc: sdhci: Refactor sdhci_set_timeout() bpf: Fix tnum constraints for 32-bit comparisons mfd: dln2: Fix sanity checking for endpoints efi/x86: Fix the deletion of variables in mixed mode ASoC: stm32: sai: Add missing cleanup scsi: lpfc: fix inlining of lpfc_sli4_cleanup_poll_list() Linux 5.4.33 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I6c37e2c64801a572781c46fc5883bcc74e6a7a1a	2020-04-17 11:26:58 +02:00
Thomas Gleixner	6ecc37daf6	cpu/hotplug: Ignore pm_wakeup_pending() for disable_nonboot_cpus() ... commit e98eac6ff1b45e4e73f2e6031b37c256ccb5d36b upstream. A recent change to freeze_secondary_cpus() which added an early abort if a wakeup is pending missed the fact that the function is also invoked for shutdown, reboot and kexec via disable_nonboot_cpus(). In case of disable_nonboot_cpus() the wakeup event needs to be ignored as the purpose is to terminate the currently running kernel. Add a 'suspend' argument which is only set when the freeze is in context of a suspend operation. If not set then an eventually pending wakeup event is ignored. Fixes: a66d955e91 ("cpu/hotplug: Abort disabling secondary CPUs if wakeup is pending") Reported-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Pavankumar Kondeti <pkondeti@codeaurora.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/874kuaxdiz.fsf@nanos.tec.linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2020-04-17 10:50:11 +02:00
Greg Kroah-Hartman	835bd1de9c	This is the 5.4.22 stable release ... -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl5TfSAACgkQONu9yGCS aT4I8w//SU+w9Tj8Crpt1BI7Lk2AiTGvyZtX0wGd53vzFKGy+Wi1Oba1ybB+xyYw UgMJJpoOgp9gTatRgjDl0vO/7U7vZckigPpog3pSW+xq2JW0kTWGS2z04hUjWKkG W4l3sAGwHRv7MTBbpjECDSHv+6x6ZqlWcVodpkHqLNmGxR0mYuiB6Zu8QuCu1bl0 K0SAlt+yd0laUt2bU3wpEqBwGXHepz+IqsqcYp78sAeytT8ds9ZfPxKv98CvLlXs VLVr87UqZy3Hkl6IWKGrmdhWbTZE+3AyjKnxlA8PovA0ET5xO/IFPLHVhVX+or+5 UFp/1qvacr+EIu8CKvftc2n1CflaRXIn/QNpwdemh94mi/2TqiXiqAUu1EiW56vg /PUH8G72Q26AiWSmD3WRr09ohTu4hfz6fIDKV60qmdVe4AUffLw0SnBEE0VFA3/S lVKZeXKkePeMlHcTyRDQ6+/y49yjfq2exdrjetypOwRa1emHxj/YsfdnEWYfwT53 sikMLjP4XA7v5rsDr9LJTwQL/V/7euu1Hr3lSGpRv8vmePprvfmivTLcY5tgvOTC GZ51Em+CxJ+W4vCJKHuM7i0nUvf2Knn5lBidq4KsvLRUuZ31mSXSfSn4bW6Gl/Jm RZPDC71MqT/FMtfuQLlVNqIw2umC1buNa5SwZ8GhJG6za4gU4FU= =L+e0 -----END PGP SIGNATURE----- Merge 5.4.22 into android-5.4 Changes in 5.4.22 core: Don't skip generic XDP program execution for cloned SKBs enic: prevent waking up stopped tx queues over watchdog reset net/smc: fix leak of kernel memory to user space net: dsa: tag_qca: Make sure there is headroom for tag net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS net/sched: flower: add missing validation of TCA_FLOWER_FLAGS drm/gma500: Fixup fbdev stolen size usage evaluation ath10k: Fix qmi init error handling wil6210: fix break that is never reached because of zero'ing of a retry counter drm/qxl: Complete exception handling in qxl_device_init() rcu/nocb: Fix dump_tree hierarchy print always active rcu: Fix missed wakeup of exp_wq waiters rcu: Fix data-race due to atomic_t copy-by-value f2fs: preallocate DIO blocks when forcing buffered_io f2fs: call f2fs_balance_fs outside of locked page media: meson: add missing allocation failure check on new_buf clk: meson: pll: Fix by 0 division in __pll_params_to_rate() cpu/hotplug, stop_machine: Fix stop_machine vs hotplug order brcmfmac: Fix memory leak in brcmf_p2p_create_p2pdev() brcmfmac: Fix use after free in brcmf_sdio_readframes() PCI: Fix pci_add_dma_alias() bitmask size drm/amd/display: Map ODM memory correctly when doing ODM combine leds: pca963x: Fix open-drain initialization ext4: fix ext4_dax_read/write inode locking sequence for IOCB_NOWAIT ALSA: ctl: allow TLV read operation for callback type of element in locked case gianfar: Fix TX timestamping with a stacked DSA driver pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs printk: fix exclusive_console replaying drm/mipi_dbi: Fix off-by-one bugs in mipi_dbi_blank() drm/msm/adreno: fix zap vs no-zap handling pxa168fb: Fix the function used to release some memory in an error handling path media: ov5640: Fix check for PLL1 exceeding max allowed rate media: i2c: mt9v032: fix enum mbus codes and frame sizes media: sun4i-csi: Deal with DRAM offset media: sun4i-csi: Fix data sampling polarity handling media: sun4i-csi: Fix [HV]sync polarity handling clk: at91: sam9x60: fix programmable clock prescaler powerpc/powernv/iov: Ensure the pdn for VFs always contains a valid PE number clk: meson: meson8b: make the CCF use the glitch-free mali mux gpio: gpio-grgpio: fix possible sleep-in-atomic-context bugs in grgpio_irq_map/unmap() iommu/vt-d: Fix off-by-one in PASID allocation x86/fpu: Deactivate FPU state after failure during state load char/random: silence a lockdep splat with printk() media: sti: bdisp: fix a possible sleep-in-atomic-context bug in bdisp_device_run() kernel/module: Fix memleak in module_add_modinfo_attrs() IB/core: Let IB core distribute cache update events pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins efi/x86: Map the entire EFI vendor string before copying it MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init() sparc: Add .exit.data section. net: ethernet: ixp4xx: Standard module init raid6/test: fix a compilation error uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol() drm/amdgpu/sriov: workaround on rev_id for Navi12 under sriov spi: fsl-lpspi: fix only one cs-gpio working drm/nouveau/nouveau: fix incorrect sizeof on args.src an args.dst usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe() usb: dwc2: Fix IN FIFO allocation clocksource/drivers/bcm2835_timer: Fix memory leak of timer drm/amd/display: Clear state after exiting fixed active VRR state kselftest: Minimise dependency of get_size on C library interfaces jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal ext4: fix deadlock allocating bio_post_read_ctx from mempool clk: ti: dra7: fix parent for gmac_clkctrl x86/sysfb: Fix check for bad VRAM size pwm: omap-dmtimer: Simplify error handling udf: Allow writing to 'Rewritable' partitions dmaengine: fsl-qdma: fix duplicated argument to && wan/hdlc_x25: fix skb handling s390/pci: Fix possible deadlock in recover_store() powerpc/iov: Move VF pdev fixup into pcibios_fixup_iov() tracing: Fix tracing_stat return values in error handling paths tracing: Fix very unlikely race of registering two stat tracers ARM: 8952/1: Disable kmemleak on XIP kernels ext4, jbd2: ensure panic when aborting with zero errno ath10k: Correct the DMA direction for management tx buffers rtw88: fix rate mask for 1SS chip brcmfmac: sdio: Fix OOB interrupt initialization on brcm43362 selftests: settings: tests can be in subsubdirs rtc: i2c/spi: Avoid inclusion of REGMAP support when not needed drm/amd/display: Retrain dongles when SINK_COUNT becomes non-zero tracing: Simplify assignment parsing for hist triggers nbd: add a flush_workqueue in nbd_start_device KVM: s390: ENOTSUPP -> EOPNOTSUPP fixups Btrfs: keep pages dirty when using btrfs_writepage_fixup_worker drivers/block/zram/zram_drv.c: fix error return codes not being returned in writeback_store block, bfq: do not plug I/O for bfq_queues with no proc refs kconfig: fix broken dependency in randconfig-generated .config clk: qcom: Don't overwrite 'cfg' in clk_rcg2_dfs_populate_freq() clk: qcom: rcg2: Don't crash if our parent can't be found; return an error drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode bpf, sockhash: Synchronize_rcu before free'ing map drm/amdgpu: remove 4 set but not used variable in amdgpu_atombios_get_connector_info_from_object_table ath10k: correct the tlv len of ath10k_wmi_tlv_op_gen_config_pno_start drm/amdgpu: Ensure ret is always initialized when using SOC15_WAIT_ON_RREG drm/panel: simple: Add Logic PD Type 28 display support arm64: dts: rockchip: Fix NanoPC-T4 cooling maps modules: lockdep: Suppress suspicious RCU usage warning ASoC: intel: sof_rt5682: Add quirk for number of HDMI DAI's ASoC: intel: sof_rt5682: Add support for tgl-max98357a-rt5682 regulator: rk808: Lower log level on optional GPIOs being not available net/wan/fsl_ucc_hdlc: reject muram offsets above 64K NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu(). arm64: dts: allwinner: H6: Add PMU mode arm64: dts: allwinner: H5: Add PMU node arm: dts: allwinner: H3: Add PMU node opp: Free static OPPs on errors while adding them selinux: ensure we cleanup the internal AVC counters on error in avc_insert() arm64: dts: qcom: msm8996: Disable USB2 PHY suspend by core padata: validate cpumask without removed CPU during offline clk: imx: Add correct failure handling for clk based helpers ARM: exynos_defconfig: Bring back explicitly wanted options ARM: dts: imx6: rdu2: Disable WP for USDHC2 and USDHC3 ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed bus: ti-sysc: Implement quirk handling for CLKDM_NOAUTO PCI: iproc: Apply quirk_paxc_bridge() for module as well as built-in media: cx23885: Add support for AVerMedia CE310B PCI: Add generic quirk for increasing D3hot delay PCI: Increase D3 delay for AMD Ryzen5/7 XHCI controllers Revert "nfp: abm: fix memory leak in nfp_abm_u32_knode_replace" gpu/drm: ingenic: Avoid null pointer deference in plane atomic update selftests/net: make so_txtime more robust to timer variance media: v4l2-device.h: Explicitly compare grp{id,mask} to zero in v4l2_device macros reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling samples/bpf: Set -fno-stack-protector when building BPF programs r8169: check that Realtek PHY driver module is loaded fore200e: Fix incorrect checks of NULL pointer dereference netfilter: nft_tunnel: add the missing ERSPAN_VERSION nla_policy ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status PCI: Add nr_devfns parameter to pci_add_dma_alias() PCI: Add DMA alias quirk for PLX PEX NTB b43legacy: Fix -Wcast-function-type ipw2x00: Fix -Wcast-function-type iwlegacy: Fix -Wcast-function-type rtlwifi: rtl_pci: Fix -Wcast-function-type orinoco: avoid assertion in case of NULL pointer drm/amdgpu: fix KIQ ring test fail in TDR of SRIOV clk: qcom: smd: Add missing bimc clock ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1 nfsd: Clone should commit src file metadata too scsi: ufs: Complete pending requests in host reset and restore path scsi: aic7xxx: Adjust indentation in ahc_find_syncrate crypto: inside-secure - add unspecified HAS_IOMEM dependency drm/mediatek: handle events when enabling/disabling crtc clk: renesas: rcar-gen3: Allow changing the RPC[D2] clocks ARM: dts: r8a7779: Add device node for ARM global timer selinux: ensure we cleanup the internal AVC counters on error in avc_update() scsi: lpfc: Fix: Rework setting of fdmi symbolic node name registration arm64: dts: qcom: db845c: Enable ath10k 8bit host-cap quirk iommu/amd: Check feature support bit before accessing MSI capability registers iommu/amd: Only support x2APIC with IVHD type 11h/40h iommu/iova: Silence warnings under memory pressure clk: actually call the clock init before any other callback of the clock dmaengine: Store module owner in dma_device struct dmaengine: imx-sdma: Fix memory leak bpf: Print error message for bpftool cgroup show net: phy: realtek: add logging for the RGMII TX delay configuration crypto: chtls - Fixed memory leak x86/vdso: Provide missing include file PM / devfreq: exynos-ppmu: Fix excessive stack usage PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency drm/fbdev: Fallback to non tiled mode if all tiles not present pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs reset: uniphier: Add SCSSI reset control for each channel ASoC: soc-topology: fix endianness issues fbdev: fix numbering of fbcon options RDMA/rxe: Fix error type of mmap_offset clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock ALSA: sh: Fix unused variable warnings clk: Use parent node pointer during registration if necessary clk: uniphier: Add SCSSI clock gate for each channel ALSA: hda/realtek - Apply mic mute LED quirk for Dell E7xx laptops, too ALSA: sh: Fix compile warning wrt const net: phy: fixed_phy: fix use-after-free when checking link GPIO tools lib api fs: Fix gcc9 stringop-truncation compilation error vfio/spapr/nvlink2: Skip unpinning pages on error exit ASoC: Intel: sof_rt5682: Ignore the speaker amp when there isn't one. ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch iommu/vt-d: Match CPU and IOMMU paging mode iommu/vt-d: Avoid sending invalid page response drm/amdkfd: Fix permissions of hang_hws mlx5: work around high stack usage with gcc RDMA/hns: Avoid printing address of mtt page drm: remove the newline for CRC source name. usb: dwc3: use proper initializers for property entries ARM: dts: stm32: Add power-supply for DSI panel on stm32f469-disco usbip: Fix unsafe unaligned pointer usage udf: Fix free space reporting for metadata and virtual partitions drm/mediatek: Add gamma property according to hardware capability staging: rtl8188: avoid excessive stack usage IB/hfi1: Add software counter for ctxt0 seq drop IB/hfi1: Add RcvShortLengthErrCnt to hfi1stats soc/tegra: fuse: Correct straps' address for older Tegra124 device trees efi/x86: Don't panic or BUG() on non-critical error conditions rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls Input: edt-ft5x06 - work around first register access error bnxt: Detach page from page pool before sending up the stack x86/nmi: Remove irq_work from the long duration NMI handler wan: ixp4xx_hss: fix compile-testing on 64-bit clocksource: davinci: only enable clockevents once tim34 is initialized arm64: dts: rockchip: fix dwmmc clock name for px30 arm64: dts: rockchip: add reg property to brcmf sub-nodes ARM: dts: rockchip: add reg property to brcmf sub node for rk3188-bqedison2qc ALSA: usb-audio: Add boot quirk for MOTU M Series ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m raid6/test: fix a compilation warning tty: synclinkmp: Adjust indentation in several functions tty: synclink_gt: Adjust indentation in several functions misc: xilinx_sdfec: fix xsdfec_poll()'s return type visorbus: fix uninitialized variable access driver core: platform: Prevent resouce overflow from causing infinite loops driver core: Print device when resources present in really_probe() ASoC: SOF: Intel: hda-dai: fix compilation warning in pcm_prepare bpf: Return -EBADRQC for invalid map type in __bpf_tx_xdp_map vme: bridges: reduce stack usage drm/nouveau/secboot/gm20b: initialize pointer in gm20b_secboot_new() drm/nouveau/gr/gk20a,gm200-: add terminators to method lists read from fw drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler drm/nouveau/drm/ttm: Remove set but not used variable 'mem' drm/nouveau/fault/gv100-: fix memory leak on module unload dm thin: don't allow changing data device during thin-pool reload gpiolib: Set lockdep class for hierarchical irq domains drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add perf/imx_ddr: Fix cpu hotplug state cleanup usb: musb: omap2430: Get rid of musb .set_vbus for omap2430 glue kbuild: remove *.tmp file when filechk fails iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE ALSA: usb-audio: unlock on error in probe f2fs: set I_LINKABLE early to avoid wrong access by vfs f2fs: free sysfs kobject scsi: ufs: pass device information to apply_dev_quirks scsi: ufs-mediatek: add apply_dev_quirks variant operation scsi: iscsi: Don't destroy session if there are outstanding connections crypto: essiv - fix AEAD capitalization and preposition use in help text ALSA: usb-audio: add implicit fb quirk for MOTU M Series RDMA/mlx5: Don't fake udata for kernel path arm64: lse: fix LSE atomics with LLVM's integrated assembler arm64: fix alternatives with LLVM's integrated assembler drm/amd/display: fixup DML dependencies EDAC/sifive: Fix return value check in ecc_register() KVM: PPC: Remove set but not used variable 'ra', 'rs', 'rt' arm64: dts: ti: k3-j721e-main: Add missing power-domains for smmu sched/core: Fix size of rq::uclamp initialization sched/topology: Assert non-NUMA topology masks don't (partially) overlap perf/x86/amd: Constrain Large Increment per Cycle events watchdog/softlockup: Enforce that timestamp is valid on boot debugobjects: Fix various data races ASoC: SOF: Intel: hda: Fix SKL dai count regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage f2fs: fix memleak of kobject x86/mm: Fix NX bit clearing issue in kernel_map_pages_in_pgd pwm: omap-dmtimer: Remove PWM chip in .remove before making it unfunctional cmd64x: potential buffer overflow in cmd64x_program_timings() ide: serverworks: potential overflow in svwks_set_pio_mode() pwm: Remove set but not set variable 'pwm' btrfs: fix possible NULL-pointer dereference in integrity checks btrfs: safely advance counter when looking up bio csums btrfs: device stats, log when stats are zeroed module: avoid setting info->name early in case we can fall back to info->mod->name remoteproc: Initialize rproc_class before use regulator: core: Fix exported symbols to the exported GPL version irqchip/mbigen: Set driver .suppress_bind_attrs to avoid remove problems ALSA: hda/hdmi - add retry logic to parse_intel_hdmi() spi: spi-fsl-qspi: Ensure width is respected in spi-mem operations kbuild: use -S instead of -E for precise cc-option test in Kconfig objtool: Fix ARCH=x86_64 build error x86/decoder: Add TEST opcode to Group3-2 s390: adjust -mpacked-stack support check for clang 10 s390/ftrace: generate traced function stack frame driver core: platform: fix u32 greater or equal to zero comparison bpf, btf: Always output invariant hit in pahole DWARF to BTF transform ALSA: hda - Add docking station support for Lenovo Thinkpad T420s sunrpc: Fix potential leaks in sunrpc_cache_unhash() drm/nouveau/mmu: fix comptag memory leak powerpc/sriov: Remove VF eeh_dev state when disabling SR-IOV media: uvcvideo: Add a quirk to force GEO GC6500 Camera bits-per-pixel value btrfs: separate definition of assertion failure handlers btrfs: Fix split-brain handling when changing FSID to metadata uuid bcache: cached_dev_free needs to put the sb page bcache: rework error unwinding in register_bcache bcache: fix use-after-free in register_bcache() iommu/vt-d: Remove unnecessary WARN_ON_ONCE() alarmtimer: Make alarmtimer platform device child of RTC device selftests: bpf: Reset global state between reuseport test runs jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record jbd2: make sure ESHUTDOWN to be recorded in the journal superblock powerpc/pseries/lparcfg: Fix display of Maximum Memory selftests/eeh: Bump EEH wait time to 60s ARM: 8951/1: Fix Kexec compilation issue. ALSA: usb-audio: add quirks for Line6 Helix devices fw>=2.82 hostap: Adjust indentation in prism2_hostapd_add_sta rtw88: fix potential NULL skb access in TX ISR iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop cifs: fix unitialized variable poential problem with network I/O cache lock patch cifs: Fix mount options set in automount cifs: fix NULL dereference in match_prepath bpf: map_seq_next should always increase position index powerpc/mm: Don't log user reads to 0xffffffff ceph: check availability of mds cluster on mount after wait timeout rbd: work around -Wuninitialized warning drm/amd/display: do not allocate display_mode_lib unnecessarily irqchip/gic-v3: Only provision redistributors that are enabled in ACPI drm/nouveau/disp/nv50-: prevent oops when no channel method map provided char: hpet: Fix out-of-bounds read bug ftrace: fpid_next() should increase position index trigger_next should increase position index radeon: insert 10ms sleep in dce5_crtc_load_lut powerpc: Do not consider weak unresolved symbol relocations as bad btrfs: do not do delalloc reservation under page lock ocfs2: make local header paths relative to C files ocfs2: fix a NULL pointer dereference when call ocfs2_update_inode_fsync_trans() lib/scatterlist.c: adjust indentation in __sg_alloc_table reiserfs: prevent NULL pointer dereference in reiserfs_insert_item() bcache: fix memory corruption in bch_cache_accounting_clear() bcache: explicity type cast in bset_bkey_last() bcache: fix incorrect data type usage in btree_flush_write() irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL nvmet: Pass lockdep expression to RCU lists nvme-pci: remove nvmeq->tags iwlwifi: mvm: Fix thermal zone registration iwlwifi: mvm: Check the sta is not NULL in iwl_mvm_cfg_he_sta() asm-generic/tlb: add missing CONFIG symbol microblaze: Prevent the overflow of the start brd: check and limit max_part par drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_latency drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage NFS: Fix memory leaks help_next should increase position index i40e: Relax i40e_xsk_wakeup's return value when PF is busy cifs: log warning message (once) if out of disk space virtio_balloon: prevent pfn array overflow fuse: don't overflow LLONG_MAX with end offset mlxsw: spectrum_dpipe: Add missing error path s390/pci: Recover handle in clp_set_pci_fn() drm/amdgpu/display: handle multiple numbers of fclks in dcn_calcs.c (v2) bcache: properly initialize 'path' and 'err' in register_bcache() rtc: Kconfig: select REGMAP_I2C when necessary Linux 5.4.22 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Iaeb3945493ecc81a0ae90ef87b19ceb2caf48164	2020-02-24 09:16:10 +01:00
Peter Zijlstra	c4d0a90b50	cpu/hotplug, stop_machine: Fix stop_machine vs hotplug order ... [ Upstream commit 45178ac0cea853fe0e405bf11e101bdebea57b15 ] Paul reported a very sporadic, rcutorture induced, workqueue failure. When the planets align, the workqueue rescuer's self-migrate fails and then triggers a WARN for running a work on the wrong CPU. Tejun then figured that set_cpus_allowed_ptr()'s stop_one_cpu() call could be ignored! When stopper->enabled is false, stop_machine will insta complete the work, without actually doing the work. Worse, it will not WARN about this (we really should fix this). It turns out there is a small window where a freshly online'ed CPU is marked 'online' but doesn't yet have the stopper task running: BP AP bringup_cpu() __cpu_up(cpu, idle) --> start_secondary() ... cpu_startup_entry() bringup_wait_for_ap() wait_for_ap_thread() <-- cpuhp_online_idle() while (1) do_idle() ... available to run kthreads ... stop_machine_unpark() stopper->enable = true; Close this by moving the stop_machine_unpark() into cpuhp_online_idle(), such that the stopper thread is ready before we start the idle loop and schedule. Reported-by: "Paul E. McKenney" <paulmck@kernel.org> Debugged-by: Tejun Heo <tj@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: "Paul E. McKenney" <paulmck@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>	2020-02-24 08:36:23 +01:00
Greg Kroah-Hartman	ea962facf5	This is the 5.4.14 stable release ... -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl4pSdUACgkQONu9yGCS aT7wnRAAqw7JuC+cQMI29GiTfX/+V6BHFUGp0b7EoFWg1VVqiFqEHOf4QETS2Qy1 3ZAMIBCICMgJD03WUK95tju4byNhpAVc5HDy3ir4E0ZGE6VprgbkzmVWsJhdVd0E y0whXgRj2mM0eXwCLcLz2qcruE/AxmL84rlnwZ5BwgxbOPq/xRzQQV8R3XUu2bos 1felFUzOLhfJKtZ5ig9ToJGCorc7jOU+cXrvUSvntOFGFqsEdmIfcQMoqE2cXExC WQIk/JDNGnyHlX7I55P0/OBuSv4SV5JzGZjGkkS/Orqg5/KtaOMh0dAcvp25L3jY b2bNDDnKvDEd2eb3GQNb4X7pqy8SFD5WLQH2otJjpZl6nHqOG2xCZCnrVtvf7toC kJ0ocNIeGU6OsFzAwXATh3hk6ZFlJYkQarHjvgpETkx+WBcw9yw7DFW9Pa9khkMV OWKqfGrqVyV1bTXTfZPHOHm+eBVmqTLPeoK4XeholrnBrPa50pBjexv+uN+UsQnT QQxTkDpdfFv4KIkH/qgwDh/gIJ/xtjsI9JTK+70aFbSq1HrXNeoZTYof8iLOggY8 wh/aWQGf0PVC3ffgqxd7TF6CxiVn4vaP3/FfcBQVMuTnYK03BScdAEOqBCRLvLK6 509VzsCc1N7qa3vwRTTWxr0u1aCDDgDx5iqmTXW46sYxzjfwnY4= =qNcT -----END PGP SIGNATURE----- Merge 5.4.14 into android-5.4 Changes in 5.4.14 ARM: dts: meson8: fix the size of the PMU registers clk: qcom: gcc-sdm845: Add missing flag to votable GDSCs soc: amlogic: meson-ee-pwrc: propagate PD provider registration errors soc: amlogic: meson-ee-pwrc: propagate errors from pm_genpd_init() dt-bindings: reset: meson8b: fix duplicate reset IDs ARM: dts: imx6q-dhcom: fix rtc compatible arm64: dts: ls1028a: fix endian setting for dcfg arm64: dts: imx8mm: Change SDMA1 ahb clock for imx8mm bus: ti-sysc: Fix iterating over clocks clk: Don't try to enable critical clocks if prepare failed Revert "gpio: thunderx: Switch to GPIOLIB_IRQCHIP" arm64: dts: imx8mq-librem5-devkit: use correct interrupt for the magnetometer ASoC: msm8916-wcd-digital: Reset RX interpolation path after use ASoC: stm32: sai: fix possible circular locking ASoC: stm32: dfsdm: fix 16 bits record ASoC: msm8916-wcd-analog: Fix selected events for MIC BIAS External1 ASoC: msm8916-wcd-analog: Fix MIC BIAS Internal1 ARM: OMAP2+: Fix ti_sysc_find_one_clockdomain to check for to_clk_hw_omap ARM: dts: imx7ulp: fix reg of cpu node ARM: dts: imx6q-dhcom: Fix SGTL5000 VDDIO regulator connection ASoC: Intel: bytcht_es8316: Fix Irbis NB41 netbook quirk ALSA: dice: fix fallback from protocol extension into limited functionality ALSA: seq: Fix racy access for queue timer in proc read ALSA: firewire-tascam: fix corruption due to spin lock without restoration in SoftIRQ context ALSA: usb-audio: fix sync-ep altsetting sanity check arm64: dts: allwinner: a64: olinuxino: Fix SDIO supply regulator arm64: dts: allwinner: a64: olinuxino: Fix eMMC supply regulator arm64: dts: agilex/stratix10: fix pmu interrupt numbers Fix built-in early-load Intel microcode alignment clk: sunxi-ng: r40: Allow setting parent rate for external clock outputs block: fix an integer overflow in logical block size fuse: fix fuse_send_readpages() in the syncronous read case io_uring: only allow submit from owning task cpuidle: teo: Fix intervals[] array indexing bug ARM: dts: am571x-idk: Fix gpios property to have the correct gpio number ARM: davinci: select CONFIG_RESET_CONTROLLER perf: Correctly handle failed perf_get_aux_event() iio: adc: ad7124: Fix DT channel configuration iio: imu: st_lsm6dsx: Fix selection of ST_LSM6DS3_ID iio: light: vcnl4000: Fix scale for vcnl4040 iio: chemical: pms7003: fix unmet triggered buffer dependency iio: buffer: align the size of scan bytes to size of the largest element USB: serial: simple: Add Motorola Solutions TETRA MTP3xxx and MTP85xx USB: serial: option: Add support for Quectel RM500Q USB: serial: opticon: fix control-message timeouts USB: serial: option: add support for Quectel RM500Q in QDL mode USB: serial: suppress driver bind attributes USB: serial: ch341: handle unbound port at reset_resume USB: serial: io_edgeport: handle unbound ports on URB completion USB: serial: io_edgeport: add missing active-port sanity check USB: serial: keyspan: handle unbound ports USB: serial: quatech2: handle unbound ports staging: comedi: ni_routes: fix null dereference in ni_find_route_source() staging: comedi: ni_routes: allow partial routing information scsi: fnic: fix invalid stack access scsi: mptfusion: Fix double fetch bug in ioctl ptrace: reintroduce usage of subjective credentials in ptrace_has_cap() mtd: rawnand: gpmi: Fix suspend/resume problem mtd: rawnand: gpmi: Restore nfc timing setup after suspend/resume usb: core: hub: Improved device recognition on remote wakeup cpu/SMT: Fix x86 link error without CONFIG_SYSFS x86/resctrl: Fix an imbalance in domain_remove_cpu() x86/CPU/AMD: Ensure clearing of SME/SEV features is maintained locking/rwsem: Fix kernel crash when spinning on RWSEM_OWNER_UNKNOWN perf/x86/intel/uncore: Fix missing marker for snr_uncore_imc_freerunning_events x86/efistub: Disable paging at mixed mode entry s390/zcrypt: Fix CCA cipher key gen with clear key value function scsi: storvsc: Correctly set number of hardware queues for IDE disk mtd: spi-nor: Fix selection of 4-byte addressing opcodes on Spansion drm/i915: Add missing include file <linux/math64.h> x86/resctrl: Fix potential memory leak efi/earlycon: Fix write-combine mapping on x86 s390/setup: Fix secure ipl message clk: samsung: exynos5420: Keep top G3D clocks enabled perf hists: Fix variable name's inconsistency in hists__for_each() macro locking/lockdep: Fix buffer overrun problem in stack_trace[] perf report: Fix incorrectly added dimensions as switch perf data file mm/shmem.c: thp, shmem: fix conflict of above-47bit hint address and PMD alignment mm/huge_memory.c: thp: fix conflict of above-47bit hint address and PMD alignment mm: memcg/slab: fix percpu slab vmstats flushing mm: memcg/slab: call flush_memcg_workqueue() only if memcg workqueue is valid mm, debug_pagealloc: don't rely on static keys too early btrfs: rework arguments of btrfs_unlink_subvol btrfs: fix invalid removal of root ref btrfs: do not delete mismatched root refs btrfs: relocation: fix reloc_root lifespan and access btrfs: fix memory leak in qgroup accounting btrfs: check rw_devices, not num_devices for balance Btrfs: always copy scrub arguments back to user space mm/memory_hotplug: don't free usage map when removing a re-added early section mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio() mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment ARM: dts: imx6sl-evk: Remove incorrect power supply assignment ARM: dts: imx6sll-evk: Remove incorrect power supply assignment ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support net: stmmac: 16KB buffer must be 16 byte aligned net: stmmac: Enable 16KB buffer size reset: Fix {of,devm}_reset_control_array_get kerneldoc return types tipc: fix potential hanging after b/rcast changing tipc: fix retrans failure due to wrong destination net: fix kernel-doc warning in <linux/netdevice.h> block: Fix the type of 'sts' in bsg_queue_rq() drm/amd/display: Reorder detect_edp_sink_caps before link settings read. bpf: Fix incorrect verifier simulation of ARSH under ALU32 bpf: Sockmap/tls, during free we may call tcp_bpf_unhash() in loop bpf: Sockmap, ensure sock lock held during tear down bpf: Sockmap/tls, push write_space updates through ulp updates bpf: Sockmap, skmsg helper overestimates push, pull, and pop bounds bpf: Sockmap/tls, msg_push_data may leave end mark in place bpf: Sockmap/tls, tls_sw can create a plaintext buf > encrypt buf bpf: Sockmap/tls, skmsg can have wrapped skmsg that needs extra chaining bpf: Sockmap/tls, fix pop data with SK_DROP return code i2c: tegra: Fix suspending in active runtime PM state i2c: tegra: Properly disable runtime PM on driver's probe error cfg80211: fix deadlocks in autodisconnect work cfg80211: fix memory leak in nl80211_probe_mesh_link cfg80211: fix memory leak in cfg80211_cqm_rssi_update cfg80211: fix page refcount issue in A-MSDU decap bpf/sockmap: Read psock ingress_msg before sk_receive_queue i2c: iop3xx: Fix memory leak in probe error path netfilter: fix a use-after-free in mtype_destroy() netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct netfilter: nat: fix ICMP header corruption on ICMP errors netfilter: nft_tunnel: fix null-attribute check netfilter: nft_tunnel: ERSPAN_VERSION must not be null netfilter: nf_tables: remove WARN and add NLA_STRING upper limits netfilter: nf_tables: store transaction list locally while requesting module netfilter: nf_tables: fix flowtable list del corruption NFC: pn533: fix bulk-message timeout net: bpf: Don't leak time wait and request sockets bpftool: Fix printing incorrect pointer in btf_dump_ptr batman-adv: Fix DAT candidate selection on little endian systems macvlan: use skb_reset_mac_header() in macvlan_queue_xmit() hv_netvsc: Fix memory leak when removing rndis device net: avoid updating qdisc_xmit_lock_key in netdev_update_lockdep_key() net: dsa: tag_qca: fix doubled Tx statistics net: hns3: pad the short frame before sending to the hardware net: hns: fix soft lockup when there is not enough memory net: phy: dp83867: Set FORCE_LINK_GOOD to default after reset net/sched: act_ife: initalize ife->metalist earlier net: usb: lan78xx: limit size of local TSO packets net/wan/fsl_ucc_hdlc: fix out of bounds write on array utdm_info ptp: free ptp device pin descriptors properly r8152: add missing endpoint sanity check tcp: fix marked lost packets not being retransmitted bnxt_en: Fix NTUPLE firmware command failures. bnxt_en: Fix ipv6 RFS filter matching logic. bnxt_en: Do not treat DSN (Digital Serial Number) read failure as fatal. net: ethernet: ave: Avoid lockdep warning net: systemport: Fixed queue mapping in internal ring map net: dsa: sja1105: Don't error out on disabled ports with no phy-mode net: dsa: tag_gswip: fix typo in tagger name net: sched: act_ctinfo: fix memory leak net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec i40e: prevent memory leak in i40e_setup_macvlans drm/amdgpu: allow direct upload save restore list for raven2 sh_eth: check sh_eth_cpu_data::dual_port when dumping registers mlxsw: spectrum: Do not modify cloned SKBs during xmit mlxsw: spectrum: Wipe xstats.backlog of down ports mlxsw: spectrum_qdisc: Include MC TCs in Qdisc counters net: stmmac: selftests: Make it work in Synopsys AXS101 boards net: stmmac: selftests: Mark as fail when received VLAN ID != expected selftests: mlxsw: qos_mc_aware: Fix mausezahn invocation net: stmmac: selftests: Update status when disabling RSS net: stmmac: tc: Do not setup flower filtering if RSS is enabled devlink: Wait longer before warning about unset port type xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk dt-bindings: Add missing 'properties' keyword enclosing 'snps,tso' tcp: refine rule to allow EPOLLOUT generation under mem pressure irqchip: Place CONFIG_SIFIVE_PLIC into the menu arm64: dts: qcom: msm8998: Disable coresight by default cw1200: Fix a signedness bug in cw1200_load_firmware() arm64: dts: meson: axg: fix audio fifo reg size arm64: dts: meson: g12: fix audio fifo reg size arm64: dts: meson-gxl-s905x-khadas-vim: fix gpio-keys-polled node arm64: dts: renesas: r8a77970: Fix PWM3 arm64: dts: marvell: Add AP806-dual missing CPU clocks cfg80211: check for set_wiphy_params tick/sched: Annotate lockless access to last_jiffies_update arm64: dts: marvell: Fix CP110 NAND controller node multi-line comment alignment arm64: dts: renesas: r8a774a1: Remove audio port node arm64: dts: imx8mm-evk: Assigned clocks for audio plls arm64: dts: qcom: sdm845-cheza: delete zap-shader ARM: dts: imx6ul-kontron-n6310-s: Disable the snvs-poweroff driver arm64: dts: allwinner: a64: Re-add PMU node ARM: dts: dra7: fix cpsw mdio fck clock arm64: dts: juno: Fix UART frequency ARM: dts: Fix sgx sysconfig register for omap4 Revert "arm64: dts: juno: add dma-ranges property" mtd: devices: fix mchp23k256 read and write mtd: cfi_cmdset_0002: only check errors when ready in cfi_check_err_status() mtd: cfi_cmdset_0002: fix delayed error detection on HyperFlash um: Don't trace irqflags during shutdown um: virtio_uml: Disallow modular build reiserfs: fix handling of -EOPNOTSUPP in reiserfs_for_each_xattr scsi: esas2r: unlock on error in esas2r_nvram_read_direct() scsi: hisi_sas: Don't create debugfs dump folder twice scsi: hisi_sas: Set the BIST init value before enabling BIST scsi: qla4xxx: fix double free bug scsi: bnx2i: fix potential use after free scsi: target: core: Fix a pr_debug() argument scsi: lpfc: fix: Coverity: lpfc_get_scsi_buf_s3(): Null pointer dereferences scsi: hisi_sas: Return directly if init hardware failed scsi: scsi_transport_sas: Fix memory leak when removing devices scsi: qla2xxx: Fix qla2x00_request_irqs() for MSI scsi: qla2xxx: fix rports not being mark as lost in sync fabric scan scsi: core: scsi_trace: Use get_unaligned_be*() scsi: lpfc: Fix list corruption detected in lpfc_put_sgl_per_hdwq scsi: lpfc: Fix hdwq sgl locks and irq handling scsi: lpfc: Fix a kernel warning triggered by lpfc_get_sgl_per_hdwq() rtw88: fix potential read outside array boundary perf probe: Fix wrong address verification perf script: Allow --time with --reltime clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle() clk: imx7ulp: Correct system clock source option #7 clk: imx7ulp: Correct DDR clock mux options regulator: ab8500: Remove SYSCLKREQ from enum ab8505_regulator_id hwmon: (pmbus/ibm-cffps) Switch LEDs to blocking brightness call hwmon: (pmbus/ibm-cffps) Fix LED blink behavior perf script: Fix --reltime with --time scsi: lpfc: use hdwq assigned cpu for allocation Linux 5.4.14 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I400bdf3be682df698c2477fbf869d5ad8ce300b5	2020-01-23 08:37:43 +01:00
Arnd Bergmann	b2a0788c52	cpu/SMT: Fix x86 link error without CONFIG_SYSFS ... commit dc8d37ed304eeeea47e65fb9edc1c6c8b0093386 upstream. When CONFIG_SYSFS is disabled, but CONFIG_HOTPLUG_SMT is enabled, the kernel fails to link: arch/x86/power/cpu.o: In function `hibernate_resume_nonboot_cpu_disable': (.text+0x38d): undefined reference to `cpuhp_smt_enable' arch/x86/power/hibernate.o: In function `arch_resume_nosmt': hibernate.c:(.text+0x291): undefined reference to `cpuhp_smt_enable' hibernate.c:(.text+0x29c): undefined reference to `cpuhp_smt_disable' Move the exported functions out of the #ifdef section into its own with the correct conditions. The patch that caused this is marked for stable backports, so this one may need to be backported as well. Fixes: ec527c3180 ("x86/power: Fix 'nosmt' vs hibernation triple fault during resume") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jiri Kosina <jkosina@suse.cz> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191210195614.786555-1-arnd@arndb.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2020-01-23 08:22:36 +01:00
Greg Kroah-Hartman	32815416dd	Merge branch 'upstream-master' into android-mainline ... This is an intermediate (mid-week) merge of Linus's tree into android-mainline to take all of the "big" security fixes that went into there into the android-mainline tree to get testing happening sooner. Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ie4d7914776ac1f917de0436061e46295ad919ead	2019-11-14 10:43:19 +08:00
Tyler Hicks	731dc9df97	cpu/speculation: Uninline and export CPU mitigations helpers ... A kernel module may need to check the value of the "mitigations=" kernel command line parameter as part of its setup when the module needs to perform software mitigations for a CPU flaw. Uninline and export the helper functions surrounding the cpu_mitigations enum to allow for their usage from a module. Lastly, privatize the enum and cpu_mitigations variable since the value of cpu_mitigations can be checked with the exported helper functions. Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>	2019-11-04 12:22:02 +01:00
Greg Kroah-Hartman	2cddf747e1	Merge 5.4-rc1-prerelease into android-mainline ... To make the 5.4-rc1 merge easier, merge at a prerelease point in time before the final release happens. Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I052c6a28528e10cdda89b6a20d320ac7562266b8	2019-10-02 18:36:47 +02:00
Vitaly Kuznetsov	e1572f1d08	cpu/SMT: create and export cpu_smt_possible() ... KVM needs to know if SMT is theoretically possible, this means it is supported and not forcefully disabled ('nosmt=force'). Create and export cpu_smt_possible() answering this question. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>	2019-09-24 13:37:28 +02:00
Greg Kroah-Hartman	bfa0399bc8	Merge Linus's 5.4-rc1-prerelease branch into android-mainline ... This merges Linus's tree as of commit b41dae061b ("Merge tag 'xfs-5.4-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux") into android-mainline. This "early" merge makes it easier to test and handle merge conflicts instead of having to wait until the "end" of the merge window and handle all 10000+ commits at once. Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I6bebf55e5e2353f814e3c87f5033607b1ae5d812	2019-09-20 16:07:54 -07:00
Thomas Gleixner	0c09ab96fc	cpu/hotplug: Cache number of online CPUs ... Re-evaluating the bitmap wheight of the online cpus bitmap in every invocation of num_online_cpus() over and over is a pretty useless exercise. Especially when num_online_cpus() is used in code paths like the IPI delivery of x86 or the membarrier code. Cache the number of online CPUs in the core and just return the cached variable. The accessor function provides only a snapshot when used without protection against concurrent CPU hotplug. The storage needs to use an atomic_t because the kexec and reboot code (ab)use set_cpu_online() in their 'shutdown' handlers without any form of serialization as pointed out by Mathieu. Regular CPU hotplug usage is properly serialized. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1907091622590.1634@nanos.tec.linutronix.de	2019-07-25 15:48:01 +02:00
Thomas Gleixner	e797bda3fd	smp/hotplug: Track booted once CPUs in a cpumask ... The booted once information which is required to deal with the MCE broadcast issue on X86 correctly is stored in the per cpu hotplug state, which is perfectly fine for the intended purpose. X86 needs that information for supporting NMI broadcasting via shortcuts, but retrieving it from per cpu data is cumbersome. Move it to a cpumask so the information can be checked against the cpu_present_mask quickly. No functional change intended. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20190722105219.818822855@linutronix.de	2019-07-25 15:47:37 +02:00
Greg Kroah-Hartman	37766c2946	Linus 5.3-rc1 ... -----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAl0006weHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGaDUIAJ4oTyVWpMRZkfG6 vVY8qVMU3zlzEqRiyLYjkXoe/mGpuU/UVTyyStllxZ+Gg9da0mGwlugScKriPJof 4KRUDDTGX5DrfEOo+0brKvM+PYh9uGViPgKXzyv7i6BrnX2z3JdBR4bKNuEYlAJ9 N93Qg7v05SBHIq2Gfp3klrdWbsTTW2EaDTLbcgifXLnfKyFr47kwsmXAHPlTFP0p dYsZHHmf14Y9n1+ToZeVINgjQFr6mFn6ygY/PqTnd6vCgEEfP9eENJ4BZCtN1ZL/ V0BO9MyJ5iZV0AfwSEKydk+kDEvO16TG/nyDrECVuur7AXsBx18ZplVc787f6GK+ dyCQJ3U= =XLAF -----END PGP SIGNATURE----- Merge 5.3.0-rc1 into android-mainline Linus 5.3-rc1 release Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ic171e37d4c21ffa495240c5538852bbb5a9dcce8	2019-07-23 16:21:59 -07:00
Linus Torvalds	e0e86b111b	Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull SMP/hotplug updates from Thomas Gleixner: "A small set of updates for SMP and CPU hotplug: - Abort disabling secondary CPUs in the freezer when a wakeup is pending instead of evaluating it only after all CPUs have been offlined. - Remove the shared annotation for the strict per CPU cfd_data in the smp function call core code. - Remove the return values of smp_call_function() and on_each_cpu() as they are unconditionally 0. Fixup the few callers which actually bothered to check the return value" * 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smp: Remove smp_call_function() and on_each_cpu() return values smp: Do not mark call_function_data as shared cpu/hotplug: Abort disabling secondary CPUs if wakeup is pending cpu/hotplug: Fix notify_cpu_starting() reference in bringup_wait_for_ap()	2019-07-08 10:39:56 -07:00
Greg Kroah-Hartman	96e821be4b	Merge 5.2-rc7 into android-mainline ... Linux 5.2-rc7 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>	2019-07-02 13:15:34 -07:00
Eiichi Tsukata	33d4a5a7a5	cpu/hotplug: Fix out-of-bounds read when setting fail state ... Setting invalid value to /sys/devices/system/cpu/cpuX/hotplug/fail can control `struct cpuhp_step *sp` address, results in the following global-out-of-bounds read. Reproducer: # echo -2 > /sys/devices/system/cpu/cpu0/hotplug/fail KASAN report: BUG: KASAN: global-out-of-bounds in write_cpuhp_fail+0x2cd/0x2e0 Read of size 8 at addr ffffffff89734438 by task bash/1941 CPU: 0 PID: 1941 Comm: bash Not tainted 5.2.0-rc6+ #31 Call Trace: write_cpuhp_fail+0x2cd/0x2e0 dev_attr_store+0x58/0x80 sysfs_kf_write+0x13d/0x1a0 kernfs_fop_write+0x2bc/0x460 vfs_write+0x1e1/0x560 ksys_write+0x126/0x250 do_syscall_64+0xc1/0x390 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f05e4f4c970 The buggy address belongs to the variable: cpu_hotplug_lock+0x98/0xa0 Memory state around the buggy address: ffffffff89734300: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff89734380: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 >ffffffff89734400: 00 00 00 00 fa fa fa fa 00 00 00 00 fa fa fa fa ^ ffffffff89734480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff89734500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Add a sanity check for the value written from user space. Fixes: 1db49484f2 ("smp/hotplug: Hotplug state fail injection") Signed-off-by: Eiichi Tsukata <devel@etsukata.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: peterz@infradead.org Link: https://lkml.kernel.org/r/20190627024732.31672-1-devel@etsukata.com	2019-06-27 09:34:04 +02:00
Geert Uytterhoeven	1bf7272028	cpu/speculation: Warn on unsupported mitigations= parameter ... Currently, if the user specifies an unsupported mitigation strategy on the kernel command line, it will be ignored silently. The code will fall back to the default strategy, possibly leaving the system more vulnerable than expected. This may happen due to e.g. a simple typo, or, for a stable kernel release, because not all mitigation strategies have been backported. Inform the user by printing a message. Fixes: 98af845294 ("cpu/speculation: Add 'mitigations=' cmdline option") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20190516070935.22546-1-geert@linux-m68k.org	2019-06-26 16:56:21 +02:00
Pavankumar Kondeti	a66d955e91	cpu/hotplug: Abort disabling secondary CPUs if wakeup is pending ... When "deep" suspend is enabled, all CPUs except the primary CPU are frozen via CPU hotplug one by one. After all secondary CPUs are unplugged the wakeup pending condition is evaluated and if pending the suspend operation is aborted and the secondary CPUs are brought up again. CPU hotplug is a slow operation, so it makes sense to check for wakeup pending in the freezer loop before bringing down the next CPU. This improves the system suspend abort latency significantly. [ tglx: Massaged changelog and improved printk message ] Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: iri Kosina <jkosina@suse.cz> Cc: Mukesh Ojha <mojha@codeaurora.org> Cc: linux-pm@vger.kernel.org Link: https://lkml.kernel.org/r/1559536263-16472-1-git-send-email-pkondeti@codeaurora.org	2019-06-12 11:03:05 +02:00
Greg Kroah-Hartman	62f5ae536f	Linux 5.2-rc4 ... -----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAlz8fAYeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiG1asH/3ySguxqtqL1MCBa 4/SZ37PHeWKMerfX6ZyJdgEqK3B+PWlmuLiOMNK5h2bPLzeQQQAmHU/mfKmpXqgB dHwUbG9yNnyUtTfsfRqAnCA6vpuw9Yb1oIzTCVQrgJLSWD0j7scBBvmzYqguOkto ThwigLUq3AILr8EfR4rh+GM+5Dn9OTEFAxwil9fPHQo7QoczwZxpURhScT6Co9TB DqLA3fvXbBvLs/CZy/S5vKM9hKzC+p39ApFTURvFPrelUVnythAM0dPDJg3pIn5u g+/+gDxDFa+7ANxvxO2ng1sJPDqJMeY/xmjJYlYyLpA33B7zLNk2vDHhAP06VTtr XCMhQ9s= =cb80 -----END PGP SIGNATURE----- Merge 5.2-rc4 into android-mainline Linux 5.2-rc4 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>	2019-06-09 09:18:13 +02:00
Jiri Kosina	ec527c3180	x86/power: Fix 'nosmt' vs hibernation triple fault during resume ... As explained in 0cc3cd2165 ("cpu/hotplug: Boot HT siblings at least once") we always, no matter what, have to bring up x86 HT siblings during boot at least once in order to avoid first MCE bringing the system to its knees. That means that whenever 'nosmt' is supplied on the kernel command-line, all the HT siblings are as a result sitting in mwait or cpudile after going through the online-offline cycle at least once. This causes a serious issue though when a kernel, which saw 'nosmt' on its commandline, is going to perform resume from hibernation: if the resume from the hibernated image is successful, cr3 is flipped in order to point to the address space of the kernel that is being resumed, which in turn means that all the HT siblings are all of a sudden mwaiting on address which is no longer valid. That results in triple fault shortly after cr3 is switched, and machine reboots. Fix this by always waking up all the SMT siblings before initiating the 'restore from hibernation' process; this guarantees that all the HT siblings will be properly carried over to the resumed kernel waiting in resume_play_dead(), and acted upon accordingly afterwards, based on the target kernel configuration. Symmetricaly, the resumed kernel has to push the SMT siblings to mwait again in case it has SMT disabled; this means it has to online all the siblings when resuming (so that they come out of hlt) and offline them again to let them reach mwait. Cc: 4.19+ <stable@vger.kernel.org> # v4.19+ Debugged-by: Thomas Gleixner <tglx@linutronix.de> Fixes: 0cc3cd2165 ("cpu/hotplug: Boot HT siblings at least once") Signed-off-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>	2019-06-03 12:02:03 +02:00
Jiri Kosina	f560201102	cpu/hotplug: Fix notify_cpu_starting() reference in bringup_wait_for_ap() ... bringup_wait_for_ap() comment references cpu_notify_starting(), but the function is actually called notify_cpu_starting(). Fix that. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/nycvar.YFH.7.76.1905282128100.1962@cbobk.fhfr.pm	2019-05-28 12:59:03 -07:00
Greg Kroah-Hartman	1226c72a32	Linux 5.2-rc1 ... -----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAlzh3PgeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGnhoH/jkl4X66KuOXvGXa 9pgFzyEa3Mhqs0j+AaJYmRyoRty1CbAfMLEWgr0JbZy56zm0PhtXOxcu56/tfdtw f5j8OJLDvld10imHXxUrom9zc546Ff90VTOvWmsYznszTz0rV5HLmKgVIIc7ZN8W 6hshDOy/rviUcPAVrLKdZffzgQZlASNS7To7IBE9okT4QHEtER7dgzM/Z0VAg9R1 guCPaN8tje4vq2Lv7+J5T9LOF1RObCbKXNADwXY1rMRK5ao3xS93eDnJ8Vn08utI UECIVfnYsA6pGl6v1ErCl9izx9MoTU3Crle7BRzVbrw7furvB2lJ1R4RGwqRbvcB HovhmHI= =TMir -----END PGP SIGNATURE----- Merge 5.2-rc1 into android-mainline Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>	2019-05-20 20:17:24 +02:00
Linus Torvalds	a0e928ed7c	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull timer updates from Ingo Molnar: "This cycle had the following changes: - Timer tracing improvements (Anna-Maria Gleixner) - Continued tasklet reduction work: remove the hrtimer_tasklet (Thomas Gleixner) - Fix CPU hotplug remove race in the tick-broadcast mask handling code (Thomas Gleixner) - Force upper bound for setting CLOCK_REALTIME, to fix ABI inconsistencies with handling values that are close to the maximum supported and the vagueness of when uptime related wraparound might occur. Make the consistent maximum the year 2232 across all relevant ABIs and APIs. (Thomas Gleixner) - various cleanups and smaller fixes" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick: Fix typos in comments tick/broadcast: Fix warning about undefined tick_broadcast_oneshot_offline() timekeeping: Force upper bound for setting CLOCK_REALTIME timer/trace: Improve timer tracing timer/trace: Replace deprecated vsprintf pointer extension %pf by %ps timer: Move trace point to get proper index tick/sched: Update tick_sched struct documentation tick: Remove outgoing CPU from broadcast masks timekeeping: Consistently use unsigned int for seqcount snapshot softirq: Remove tasklet_hrtimer xfrm: Replace hrtimer tasklet with softirq hrtimer mac80211_hwsim: Replace hrtimer tasklet with softirq hrtimer	2019-05-06 14:50:46 -07:00
Linus Torvalds	5a2bf1abbf	Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull CPU hotplug updates from Ingo Molnar: "Two changes in this cycle: - Make the /sys/devices/system/cpu/smt/* files available on all arches, so user space has a consistent way to detect whether SMT is enabled. - Sparse annotation fix" * 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smpboot: Place the __percpu annotation correctly cpu/hotplug: Create SMT sysfs interface for all arches	2019-05-06 14:44:49 -07:00
Linus Torvalds	e00d413575	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull scheduler updates from Ingo Molnar: "The main changes in this cycle were: - Make nohz housekeeping processing more permissive and less intrusive to isolated CPUs - Decouple CPU-bound workqueue acconting from the scheduler and move it into the workqueue code. - Optimize topology building - Better handle quota and period overflows - Add more RCU annotations - Comment updates, misc cleanups" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits) nohz_full: Allow the boot CPU to be nohz_full sched/isolation: Require a present CPU in housekeeping mask kernel/cpu: Allow non-zero CPU to be primary for suspend / kexec freeze power/suspend: Add function to disable secondaries for suspend sched/core: Allow the remote scheduler tick to be started on CPU0 sched/nohz: Run NOHZ idle load balancer on HK_FLAG_MISC CPUs sched/debug: Fix spelling mistake "logaritmic" -> "logarithmic" sched/topology: Update init_sched_domains() comment cgroup/cpuset: Update stale generate_sched_domains() comments sched/core: Check quota and period overflow at usec to nsec conversion sched/core: Handle overflow in cpu_shares_write_u64 sched/rt: Check integer overflow at usec to nsec conversion sched/core: Fix typo in comment sched/core: Make some functions static sched/core: Unify p->on_rq updates sched/core: Remove ttwu_activate() sched/core, workqueues: Distangle worker accounting from rq lock sched/fair: Remove unneeded prototype of capacity_of() sched/topology: Skip duplicate group rewrites in build_sched_groups() sched/topology: Fix build_sched_groups() comment ...	2019-05-06 14:31:50 -07:00
Linus Torvalds	0a499fc5c3	Merge branch 'core-speculation-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull speculation mitigation update from Ingo Molnar: "This adds the "mitigations=" bootline option, which offers a cross-arch set of options that will work on x86, PowerPC and s390 that will map to the arch specific option internally" * 'core-speculation-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: s390/speculation: Support 'mitigations=' cmdline option powerpc/speculation: Support 'mitigations=' cmdline option x86/speculation: Support 'mitigations=' cmdline option cpu/speculation: Add 'mitigations=' cmdline option	2019-05-06 13:01:16 -07:00
Todd Kjos	0f2cb7cf80	Merge branch 'linux-mainline' into android-mainline-tmp ... Change-Id: I4380c68c3474026a42ffa9f95c525f9a563ba7a3	2019-05-03 12:22:22 -07:00
Nicholas Piggin	9ca12ac04b	kernel/cpu: Allow non-zero CPU to be primary for suspend / kexec freeze ... This patch provides an arch option, ARCH_SUSPEND_NONZERO_CPU, to opt-in to allowing suspend to occur on one of the housekeeping CPUs rather than hardcoded CPU0. This will allow CPU0 to be a nohz_full CPU with a later change. It may be possible for platforms with hardware/firmware restrictions on suspend/wake effectively support this by handing off the final stage to CPU0 when kernel housekeeping is no longer required. Another option is to make housekeeping / nohz_full mask dynamic at runtime, but the complexity could not be justified at this time. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rafael J . Wysocki <rafael.j.wysocki@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lkml.kernel.org/r/20190411033448.20842-4-npiggin@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>	2019-05-03 19:42:58 +02:00
Thierry Strudel	e6120dd58d	ANDROID: cpu: send KOBJ_ONLINE event when enabling cpus ... In case some sysfs nodes needs to be labeled with a different label than sysfs then user needs to be notified when a core is brought back online. Bug: 29359497 Bug: 120444461 Change-Id: I0395c86e01cd49c348fda8f93087d26f88557c91 Signed-off-by: Thierry Strudel <tstrudel@google.com>	2019-05-03 10:40:06 -07:00
Josh Poimboeuf	98af845294	cpu/speculation: Add 'mitigations=' cmdline option ... Keeping track of the number of mitigations for all the CPU speculation bugs has become overwhelming for many users. It's getting more and more complicated to decide which mitigations are needed for a given architecture. Complicating matters is the fact that each arch tends to have its own custom way to mitigate the same vulnerability. Most users fall into a few basic categories: a) they want all mitigations off; b) they want all reasonable mitigations on, with SMT enabled even if it's vulnerable; or c) they want all reasonable mitigations on, with SMT disabled if vulnerable. Define a set of curated, arch-independent options, each of which is an aggregation of existing options: - mitigations=off: Disable all mitigations. - mitigations=auto: [default] Enable all the default mitigations, but leave SMT enabled, even if it's vulnerable. - mitigations=auto,nosmt: Enable all the default mitigations, disabling SMT if needed by a mitigation. Currently, these options are placeholders which don't actually do anything. They will be fleshed out in upcoming patches. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Jiri Kosina <jkosina@suse.cz> (on x86) Reviewed-by: Jiri Kosina <jkosina@suse.cz> Cc: Borislav Petkov <bp@alien8.de> Cc: "H . Peter Anvin" <hpa@zytor.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Kosina <jikos@kernel.org> Cc: Waiman Long <longman@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Jon Masters <jcm@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-s390@vger.kernel.org Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-arch@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Tyler Hicks <tyhicks@canonical.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Steven Price <steven.price@arm.com> Cc: Phil Auld <pauld@redhat.com> Link: https://lkml.kernel.org/r/b07a8ef9b7c5055c3a4637c87d07c296d5016fe0.1555085500.git.jpoimboe@redhat.com	2019-04-17 21:37:28 +02:00
Josh Poimboeuf	de7b77e5bb	cpu/hotplug: Create SMT sysfs interface for all arches ... Make the /sys/devices/system/cpu/smt/* files available on all arches, so user space has a consistent way to detect whether SMT is enabled. The 'control' file now shows 'notimplemented' for architectures which don't yet have CONFIG_HOTPLUG_SMT. [ tglx: Make notimplemented a real state ] Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Waiman Long <longman@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Kosina <jikos@kernel.org> Link: https://lkml.kernel.org/r/469c2b98055f2c41e75748e06447d592a64080c9.1553635520.git.jpoimboe@redhat.com	2019-04-02 12:36:56 +02:00
Thomas Gleixner	206b92353c	cpu/hotplug: Prevent crash when CPU bringup fails on CONFIG_HOTPLUG_CPU=n ... Tianyu reported a crash in a CPU hotplug teardown callback when booting a kernel which has CONFIG_HOTPLUG_CPU disabled with the 'nosmt' boot parameter. It turns out that the SMP=y CONFIG_HOTPLUG_CPU=n case has been broken forever in case that a bringup callback fails. Unfortunately this issue was not recognized when the CPU hotplug code was reworked, so the shortcoming just stayed in place. When a bringup callback fails, the CPU hotplug code rolls back the operation and takes the CPU offline. The 'nosmt' command line argument uses a bringup failure to abort the bringup of SMT sibling CPUs. This partial bringup is required due to the MCE misdesign on Intel CPUs. With CONFIG_HOTPLUG_CPU=y the rollback works perfectly fine, but CONFIG_HOTPLUG_CPU=n lacks essential mechanisms to exercise the low level teardown of a CPU including the synchronizations in various facilities like RCU, NOHZ and others. As a consequence the teardown callbacks which must be executed on the outgoing CPU within stop machine with interrupts disabled are executed on the control CPU in interrupt enabled and preemptible context causing the kernel to crash and burn. The pre state machine code has a different failure mode which is more subtle and resulting in a less obvious use after free crash because the control side frees resources which are still in use by the undead CPU. But this is not a x86 only problem. Any architecture which supports the SMP=y HOTPLUG_CPU=n combination suffers from the same issue. It's just less likely to be triggered because in 99.99999% of the cases all bringup callbacks succeed. The easy solution of making HOTPLUG_CPU mandatory for SMP is not working on all architectures as the following architectures have either no hotplug support at all or not all subarchitectures support it: alpha, arc, hexagon, openrisc, riscv, sparc (32bit), mips (partial). Crashing the kernel in such a situation is not an acceptable state either. Implement a minimal rollback variant by limiting the teardown to the point where all regular teardown callbacks have been invoked and leave the CPU in the 'dead' idle state. This has the following consequences: - the CPU is brought down to the point where the stop_machine takedown would happen. - the CPU stays there forever and is idle - The CPU is cleared in the CPU active mask, but not in the CPU online mask which is a legit state. - Interrupts are not forced away from the CPU - All facilities which only look at online mask would still see it, but that is the case during normal hotplug/unplug operations as well. It's just a (way) longer time frame. This will expose issues, which haven't been exposed before or only seldom, because now the normally transient state of being non active but online is a permanent state. In testing this exposed already an issue vs. work queues where the vmstat code schedules work on the almost dead CPU which ends up in an unbound workqueue and triggers 'preemtible context' warnings. This is not a problem of this change, it merily exposes an already existing issue. Still this is better than crashing fully without a chance to debug it. This is mainly thought as workaround for those architectures which do not support HOTPLUG_CPU. All others should enforce HOTPLUG_CPU for SMP. Fixes: 2e1a3483ce ("cpu/hotplug: Split out the state walk into functions") Reported-by: Tianyu Lan <Tianyu.Lan@microsoft.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Tianyu Lan <Tianyu.Lan@microsoft.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Konrad Wilk <konrad.wilk@oracle.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Mukesh Ojha <mojha@codeaurora.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Rik van Riel <riel@surriel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Micheal Kelley <michael.h.kelley@microsoft.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20190326163811.503390616@linutronix.de	2019-03-28 13:34:58 +01:00
Thomas Gleixner	1b72d43237	tick: Remove outgoing CPU from broadcast masks ... Valentin reported that unplugging a CPU occasionally results in a warning in the tick broadcast code which is triggered when an offline CPU is in the broadcast mask. This happens because the outgoing CPU is not removing itself from the broadcast masks, especially not from the broadcast_force_mask. The removal happens on the control CPU after the outgoing CPU is dead. It's a long standing issue, but the warning is harmless. Rework the hotplug mechanism so that the outgoing CPU removes itself from the broadcast masks after disabling interrupts and removing itself from the online mask. Reported-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Valentin Schneider <valentin.schneider@arm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1903211540180.1784@nanos.tec.linutronix.de	2019-03-23 18:26:43 +01:00
Ingo Molnar	31fe3cbbf2	Linux 5.0-rc5 ... -----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAlxXYaEeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGkSQH/2yrfnviNPFYpZOR QQdc71Bfhkd8m85SmWIsSebkxmi3hKFVj15sGbWXd6+0/VxjEEGvQCZpvVwJceke LwDxtkKGg/74wAqJvlSAWxFNZ+Had4jDeoSoeQChddsBVXBBCxQx2v6ECg3o2x7W k8Z8t4+3RijDf8fYXY9ETyO2zW8R/wgT+dnl+DPgUH7u4dxh7FzAUfc4bgZIDg+i FzBQfbTJuz4BU7uRZ9IJiwhWKv0Iyi2DR3BY8Z1pqEpRaUMJMrCs2WGytHbTgt9e 0EtO1airbVneU4eumU/ZaF9cyEbah9HousEPnP7J09WG4s/Odxc4zE+uK1QqS2im 5Xv88is= =dVd1 -----END PGP SIGNATURE----- Merge tag 'v5.0-rc5' into locking/core to pick up fixes Signed-off-by: Ingo Molnar <mingo@kernel.org>	2019-02-04 08:57:24 +01:00
Josh Poimboeuf	b284909aba	cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM ... With the following commit: 73d5e2b472 ("cpu/hotplug: detect SMT disabled by BIOS") ... the hotplug code attempted to detect when SMT was disabled by BIOS, in which case it reported SMT as permanently disabled. However, that code broke a virt hotplug scenario, where the guest is booted with only primary CPU threads, and a sibling is brought online later. The problem is that there doesn't seem to be a way to reliably distinguish between the HW "SMT disabled by BIOS" case and the virt "sibling not yet brought online" case. So the above-mentioned commit was a bit misguided, as it permanently disabled SMT for both cases, preventing future virt sibling hotplugs. Going back and reviewing the original problems which were attempted to be solved by that commit, when SMT was disabled in BIOS: 1) /sys/devices/system/cpu/smt/control showed "on" instead of "notsupported"; and 2) vmx_vm_init() was incorrectly showing the L1TF_MSG_SMT warning. I'd propose that we instead consider #1 above to not actually be a problem. Because, at least in the virt case, it's possible that SMT wasn't disabled by BIOS and a sibling thread could be brought online later. So it makes sense to just always default the smt control to "on" to allow for that possibility (assuming cpuid indicates that the CPU supports SMT). The real problem is #2, which has a simple fix: change vmx_vm_init() to query the actual current SMT state -- i.e., whether any siblings are currently online -- instead of looking at the SMT "control" sysfs value. So fix it by: a) reverting the original "fix" and its followup fix: 73d5e2b472 ("cpu/hotplug: detect SMT disabled by BIOS") bc2d8d262c ("cpu/hotplug: Fix SMT supported evaluation") and b) changing vmx_vm_init() to query the actual current SMT state -- instead of the sysfs control value -- to determine whether the L1TF warning is needed. This also requires the 'sched_smt_present' variable to exported, instead of 'cpu_smt_control'. Fixes: 73d5e2b472 ("cpu/hotplug: detect SMT disabled by BIOS") Reported-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Joe Mario <jmario@redhat.com> Cc: Jiri Kosina <jikos@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: kvm@vger.kernel.org Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/e3a85d585da28cc333ecbc1e78ee9216e6da9396.1548794349.git.jpoimboe@redhat.com	2019-01-30 19:27:00 +01:00
Zhenzhong Duan	34d66caf25	x86/speculation: Remove redundant arch_smt_update() invocation ... With commit a74cfffb03 ("x86/speculation: Rework SMT state change"), arch_smt_update() is invoked from each individual CPU hotplug function. Therefore the extra arch_smt_update() call in the sysfs SMT control is redundant. Fixes: a74cfffb03 ("x86/speculation: Rework SMT state change") Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: <konrad.wilk@oracle.com> Cc: <dwmw@amazon.co.uk> Cc: <bp@suse.de> Cc: <srinivas.eeda@oracle.com> Cc: <peterz@infradead.org> Cc: <hpa@zytor.com> Link: https://lkml.kernel.org/r/e2e064f2-e8ef-42ca-bf4f-76b612964752@default	2019-01-29 22:20:24 +01:00
Valentin Schneider	ce48c457b9	cpu/hotplug: Mute hotplug lockdep during init ... Since we've had: commit cb538267ea ("jump_label/lockdep: Assert we hold the hotplug lock for _cpuslocked() operations") we've been getting some lockdep warnings during init, such as on HiKey960: [ 0.820495] WARNING: CPU: 4 PID: 0 at kernel/cpu.c:316 lockdep_assert_cpus_held+0x3c/0x48 [ 0.820498] Modules linked in: [ 0.820509] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G S 4.20.0-rc5-00051-g4cae42a #34 [ 0.820511] Hardware name: HiKey960 (DT) [ 0.820516] pstate: 600001c5 (nZCv dAIF -PAN -UAO) [ 0.820520] pc : lockdep_assert_cpus_held+0x3c/0x48 [ 0.820523] lr : lockdep_assert_cpus_held+0x38/0x48 [ 0.820526] sp : ffff00000a9cbe50 [ 0.820528] x29: ffff00000a9cbe50 x28: 0000000000000000 [ 0.820533] x27: 00008000b69e5000 x26: ffff8000bff4cfe0 [ 0.820537] x25: ffff000008ba69e0 x24: 0000000000000001 [ 0.820541] x23: ffff000008fce000 x22: ffff000008ba70c8 [ 0.820545] x21: 0000000000000001 x20: 0000000000000003 [ 0.820548] x19: ffff00000a35d628 x18: ffffffffffffffff [ 0.820552] x17: 0000000000000000 x16: 0000000000000000 [ 0.820556] x15: ffff00000958f848 x14: 455f3052464d4d34 [ 0.820559] x13: 00000000769dde98 x12: ffff8000bf3f65a8 [ 0.820564] x11: 0000000000000000 x10: ffff00000958f848 [ 0.820567] x9 : ffff000009592000 x8 : ffff00000958f848 [ 0.820571] x7 : ffff00000818ffa0 x6 : 0000000000000000 [ 0.820574] x5 : 0000000000000000 x4 : 0000000000000001 [ 0.820578] x3 : 0000000000000000 x2 : 0000000000000001 [ 0.820582] x1 : 00000000ffffffff x0 : 0000000000000000 [ 0.820587] Call trace: [ 0.820591] lockdep_assert_cpus_held+0x3c/0x48 [ 0.820598] static_key_enable_cpuslocked+0x28/0xd0 [ 0.820606] arch_timer_check_ool_workaround+0xe8/0x228 [ 0.820610] arch_timer_starting_cpu+0xe4/0x2d8 [ 0.820615] cpuhp_invoke_callback+0xe8/0xd08 [ 0.820619] notify_cpu_starting+0x80/0xb8 [ 0.820625] secondary_start_kernel+0x118/0x1d0 We've also had a similar warning in sched_init_smp() for every asymmetric system that would enable the sched_asym_cpucapacity static key, although that was singled out in: commit 40fa3780ba ("sched/core: Take the hotplug lock in sched_init_smp()") Those warnings are actually harmless, since we cannot have hotplug operations at the time they appear. Instead of starting to sprinkle useless hotplug lock operations in the init codepaths, mute the warnings until they start warning about real problems. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will.deacon@arm.com> Cc: cai@gmx.us Cc: daniel.lezcano@linaro.org Cc: dietmar.eggemann@arm.com Cc: linux-arm-kernel@lists.infradead.org Cc: longman@redhat.com Cc: marc.zyngier@arm.com Cc: mark.rutland@arm.com Link: https://lkml.kernel.org/r/1545243796-23224-2-git-send-email-valentin.schneider@arm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>	2019-01-21 11:18:53 +01:00
Thomas Gleixner	a74cfffb03	x86/speculation: Rework SMT state change ... arch_smt_update() is only called when the sysfs SMT control knob is changed. This means that when SMT is enabled in the sysfs control knob the system is considered to have SMT active even if all siblings are offline. To allow finegrained control of the speculation mitigations, the actual SMT state is more interesting than the fact that siblings could be enabled. Rework the code, so arch_smt_update() is invoked from each individual CPU hotplug function, and simplify the update function while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: David Woodhouse <dwmw@amazon.co.uk> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Casey Schaufler <casey.schaufler@intel.com> Cc: Asit Mallick <asit.k.mallick@intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Jon Masters <jcm@redhat.com> Cc: Waiman Long <longman9394@gmail.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Dave Stewart <david.c.stewart@intel.com> Cc: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20181125185004.521974984@linutronix.de	2018-11-28 11:57:07 +01:00
Linus Torvalds	d82924c3b8	Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull x86 pti updates from Ingo Molnar: "The main changes: - Make the IBPB barrier more strict and add STIBP support (Jiri Kosina) - Micro-optimize and clean up the entry code (Andy Lutomirski) - ... plus misc other fixes" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/speculation: Propagate information about RSB filling mitigation to sysfs x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation x86/speculation: Apply IBPB more strictly to avoid cross-process data leak x86/speculation: Add RETPOLINE_AMD support to the inline asm CALL_NOSPEC variant x86/CPU: Fix unused variable warning when !CONFIG_IA32_EMULATION x86/pti/64: Remove the SYSCALL64 entry trampoline x86/entry/64: Use the TSS sp2 slot for SYSCALL/SYSRET scratch space x86/entry/64: Document idtentry	2018-10-23 18:43:04 +01:00
Linus Torvalds	42f52e1c59	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull scheduler updates from Ingo Molnar: "The main changes are: - Migrate CPU-intense 'misfit' tasks on asymmetric capacity systems, to better utilize (much) faster 'big core' CPUs. (Morten Rasmussen, Valentin Schneider) - Topology handling improvements, in particular when CPU capacity changes and related load-balancing fixes/improvements (Morten Rasmussen) - ... plus misc other improvements, fixes and updates" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (28 commits) sched/completions/Documentation: Add recommendation for dynamic and ONSTACK completions sched/completions/Documentation: Clean up the document some more sched/completions/Documentation: Fix a couple of punctuation nits cpu/SMT: State SMT is disabled even with nosmt and without "=force" sched/core: Fix comment regarding nr_iowait_cpu() and get_iowait_load() sched/fair: Remove setting task's se->runnable_weight during PELT update sched/fair: Disable LB_BIAS by default sched/pelt: Fix warning and clean up IRQ PELT config sched/topology: Make local variables static sched/debug: Use symbolic names for task state constants sched/numa: Remove unused numa_stats::nr_running field sched/numa: Remove unused code from update_numa_stats() sched/debug: Explicitly cast sched_feat() to bool sched/core: Disable SD_PREFER_SIBLING on asymmetric CPU capacity domains sched/fair: Don't move tasks to lower capacity CPUs unless necessary sched/fair: Set rq->rd->overload when misfit sched/fair: Wrap rq->rd->overload accesses with READ/WRITE_ONCE() sched/core: Change root_domain->overload type to int sched/fair: Change 'prefer_sibling' type to bool sched/fair: Kick nohz balance if rq->misfit_task_load ...	2018-10-23 15:00:03 +01:00
Borislav Petkov	d0e7d14455	cpu/SMT: State SMT is disabled even with nosmt and without "=force" ... When booting with "nosmt=force" a message is issued into dmesg to confirm that SMT has been force-disabled but such a message is not issued when only "nosmt" is on the kernel command line. Fix that. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20181004172227.10094-1-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>	2018-10-05 10:20:31 +02:00
Jiri Kosina	53c613fe63	x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation ... STIBP is a feature provided by certain Intel ucodes / CPUs. This feature (once enabled) prevents cross-hyperthread control of decisions made by indirect branch predictors. Enable this feature if - the CPU is vulnerable to spectre v2 - the CPU supports SMT and has SMT siblings online - spectre_v2 mitigation autoselection is enabled (default) After some previous discussion, this leaves STIBP on all the time, as wrmsr on crossing kernel boundary is a no-no. This could perhaps later be a bit more optimized (like disabling it in NOHZ, experiment with disabling it in idle, etc) if needed. Note that the synchronization of the mask manipulation via newly added spec_ctrl_mutex is currently not strictly needed, as the only updater is already being serialized by cpu_add_remove_lock, but let's make this a little bit more future-proof. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: "WoodhouseDavid" <dwmw@amazon.co.uk> Cc: Andi Kleen <ak@linux.intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: "SchauflerCasey" <casey.schaufler@intel.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/nycvar.YFH.7.76.1809251438240.15880@cbobk.fhfr.pm	2018-09-26 14:26:52 +02:00
Peter Zijlstra	cb92173d1f	locking/lockdep, cpu/hotplug: Annotate AP thread ... Anybody trying to assert the cpu_hotplug_lock is held (lockdep_assert_cpus_held()) from AP callbacks will fail, because the lock is held by the BP. Stick in an explicit annotation in cpuhp_thread_fun() to make this work. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-tip-commits@vger.kernel.org Fixes: cb538267ea ("jump_label/lockdep: Assert we hold the hotplug lock for _cpuslocked() operations") Link: http://lkml.kernel.org/r/20180911095127.GT24082@hirez.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>	2018-09-11 20:01:03 +02:00
Thomas Gleixner	69fa6eb7d6	cpu/hotplug: Prevent state corruption on error rollback ... When a teardown callback fails, the CPU hotplug code brings the CPU back to the previous state. The previous state becomes the new target state. The rollback happens in undo_cpu_down() which increments the state unconditionally even if the state is already the same as the target. As a consequence the next CPU hotplug operation will start at the wrong state. This is easily to observe when __cpu_disable() fails. Prevent the unconditional undo by checking the state vs. target before incrementing state and fix up the consequently wrong conditional in the unplug code which handles the failure of the final CPU take down on the control CPU side. Fixes: 4dddfb5faa ("smp/hotplug: Rewrite AP state machine core") Reported-by: Neeraj Upadhyay <neeraju@codeaurora.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Tested-by: Neeraj Upadhyay <neeraju@codeaurora.org> Cc: josh@joshtriplett.org Cc: peterz@infradead.org Cc: jiangshanlai@gmail.com Cc: dzickus@redhat.com Cc: brendan.jackman@arm.com Cc: malat@debian.org Cc: sramana@codeaurora.org Cc: linux-arm-msm@vger.kernel.org Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1809051419580.1416@nanos.tec.linutronix.de ----	2018-09-06 15:21:38 +02:00
Neeraj Upadhyay	f8b7530aa0	cpu/hotplug: Adjust misplaced smb() in cpuhp_thread_fun() ... The smp_mb() in cpuhp_thread_fun() is misplaced. It needs to be after the load of st->should_run to prevent reordering of the later load/stores w.r.t. the load of st->should_run. Fixes: 4dddfb5faa ("smp/hotplug: Rewrite AP state machine core") Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infraded.org> Cc: josh@joshtriplett.org Cc: peterz@infradead.org Cc: jiangshanlai@gmail.com Cc: dzickus@redhat.com Cc: brendan.jackman@arm.com Cc: malat@debian.org Cc: mojha@codeaurora.org Cc: sramana@codeaurora.org Cc: linux-arm-msm@vger.kernel.org Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/1536126727-11629-1-git-send-email-neeraju@codeaurora.org	2018-09-06 15:21:37 +02:00