Currently the software implements preemptirq notation
points as unrestricted hooks. This causes unacceptable
delays as those *types* of hooks perform rcu_lock() for
a long period of time (uS, but 1000s of these per s).
This in turn reduces system performance, and impacts
our metrics.
Fix by re-doing the preempt irq trace-points as
restricted hooks, based upon vendor_hooks.
Change-Id: Ib3022ceb41407f93543c30e695880f9070aae78a
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
Signed-off-by: Stephen Dickey <dickey@codeaurora.org>
* refs/heads/tmp-3a9b53b
Revert "binder: Prevent context manager from incrementing ref 0"
Revert "drm/drm_fb_helper: fix fbdev with sparc64"
ANDROID: fix redefinition error for restricted vendor hooks
Linux 5.4.58
nfsd: Fix NFSv4 READ on RDMA when using readv
ima: move APPRAISE_BOOTPARAM dependency on ARCH_POLICY to runtime
tcp: apply a floor of 1 for RTT samples from TCP timestamps
selftests/net: relax cpu affinity requirement in msg_zerocopy test
Revert "vxlan: fix tos value before xmit"
openvswitch: Prevent kernel-infoleak in ovs_ct_put_key()
net: thunderx: use spin_lock_bh in nicvf_set_rx_mode_task()
net: gre: recompute gre csum for sctp over gre tunnels
hv_netvsc: do not use VF device if link is down
dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
appletalk: Fix atalk_proc_init() return path
net: lan78xx: replace bogus endpoint lookup
vxlan: Ensure FDB dump is performed under RCU
rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
net: ethernet: mtk_eth_soc: fix MTU warnings
ipv6: Fix nexthop refcnt leak when creating ipv6 route info
ipv6: fix memory leaks on IPV6_ADDRFORM path
ipv4: Silence suspicious RCU usage warning
PCI: tegra: Revert tegra124 raw_violation_fixup
Revert "powerpc/kasan: Fix shadow pages allocation failure"
xattr: break delegations in {set,remove}xattr
Drivers: hv: vmbus: Ignore CHANNELMSG_TL_CONNECT_RESULT(23)
tools lib traceevent: Fix memory leak in process_dynamic_array_len
atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
igb: reinit_locked() should be called with rtnl_lock
cfg80211: check vendor command doit pointer before use
firmware: Fix a reference count leak.
ALSA: hda: fix NULL pointer dereference during suspend
net: ethernet: mtk_eth_soc: Always call mtk_gmac0_rgmii_adjust() for mt7623
usb: hso: check for return value in hso_serial_common_create()
i2c: slave: add sanity check when unregistering
i2c: slave: improve sanity check when registering
drm/drm_fb_helper: fix fbdev with sparc64
nvme-pci: prevent SK hynix PC400 from using Write Zeroes command
drm/nouveau/fbcon: zero-initialise the mode_cmd2 structure
drm/nouveau/fbcon: fix module unload when fbcon init has failed for some reason
net/9p: validate fds in p9_fd_open
leds: 88pm860x: fix use-after-free on unbind
leds: lm3533: fix use-after-free on unbind
leds: da903x: fix use-after-free on unbind
leds: lm36274: fix use-after-free on unbind
leds: wm831x-status: fix use-after-free on unbind
mtd: properly check all write ioctls for permissions
vgacon: Fix for missing check in scrollback handling
scripts: add dummy report mode to add_namespace.cocci
Smack: fix use-after-free in smk_write_relabel_self()
binder: Prevent context manager from incrementing ref 0
omapfb: dss: Fix max fclk divider for omap36xx
Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_with_rssi_evt()
Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_evt()
Bluetooth: Fix slab-out-of-bounds read in hci_extended_inquiry_result_evt()
Staging: rtl8188eu: rtw_mlme: Fix uninitialized variable authmode
staging: rtl8712: handle firmware load failure
staging: android: ashmem: Fix lockdep warning for write operation
ALSA: seq: oss: Serialize ioctls
ALSA: hda/ca0132 - Fix AE-5 microphone selection commands.
ALSA: hda/ca0132 - Fix ZxR Headphone gain control get value.
ALSA: hda/ca0132 - Add new quirk ID for Recon3D.
ALSA: hda/realtek: Add alc269/alc662 pin-tables for Loongson-3 laptops
Revert "ALSA: hda: call runtime_allow() for all hda controllers"
io_uring: Fix use-after-free in io_sq_wq_submit_work()
io_uring: prevent re-read of sqe->opcode
usb: xhci: Fix ASMedia ASM1142 DMA addressing
usb: xhci: define IDs for various ASMedia host controllers
USB: iowarrior: fix up report size handling for some devices
perf/core: Fix endless multiplex timer
USB: serial: qcserial: add EM7305 QDL product ID
ANDROID: GKI: update abi based on wifi 6GHz changes
BACKPORT: cfg80211: require HE capabilities for 6 GHz band
BACKPORT: cfg80211: reject HT/VHT capabilities on 6 GHz band
BACKPORT: cfg80211: treat 6 GHz channels as valid regardless of capability
BACKPORT: mac80211: Add HE 6GHz capabilities element to probe request
BACKPORT: mac80211: add HE 6 GHz Band Capability element
BACKPORT: cfg80211: add and expose HE 6 GHz band capabilities
BACKPORT: cfg80211: handle 6 GHz capability of new station
BACKPORT: ieee80211: add HE ext EIDs and 6 GHz capability defines
BACKPORT: ieee80211: add code to obtain and parse 6 GHz operation field
BACKPORT: cfg80211: add a helper to identify 6 GHz PSCs
BACKPORT: cfg80211: adapt to new channelization of the 6GHz band
BACKPORT: cfg80211: fix 6 GHz frequencies to kHz
BACKPORT: cfg80211: express channels with a KHz component
Revert "Revert "Revert "ANDROID: ALSA: jack: Update supported ja..."
UPSTREAM: loop: Fix wrong masking of status flags
UPSTREAM: loop: Add LOOP_CONFIGURE ioctl
UPSTREAM: loop: Clean up LOOP_SET_STATUS lo_flags handling
UPSTREAM: loop: Rework lo_ioctl() __user argument casting
UPSTREAM: loop: Move loop_set_status_from_info() and friends up
BACKPORT: loop: Factor out configuring loop from status
UPSTREAM: loop: Remove figure_loop_size()
UPSTREAM: loop: Refactor loop_set_status() size calculation
UPSTREAM: loop: Factor out setting loop device size
UPSTREAM: loop: Remove sector_t truncation checks
UPSTREAM: loop: Call loop_config_discard() only after new config is applied
ANDROID: Revert "module: Refactor section attr into bin attribute"
ANDROID: Revert "module: Do not expose section addresses to non-CAP_SYSLOG"
FROMLIST: rpmsg: Guard against null endpoint ops in destroy
ANDROID: GKI: Add some symbols to symbol list
Conflicts:
android/abi_gki_aarch64_qcom
Change-Id: I626db7277bb4eb964d24336294e6a2a5ce3fab0a
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
This change is for general scheduler improvement.
Change-Id: I4d860d155697178feaed9c6418bf9fa1f773180c
Signed-off-by: Kishore Sri venkata Ganesh Bolisetty <bsrivenk@codeaurora.org>
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
update_cpumask had a special case for empty buf which
did not update cpus_requested. This change reduces
differences (only to parsing) in empty/non-empty codepaths
to make them consistent.
Bug: 120444281
Fixes: 4803def4e0b2 ("ANDROID: cpuset: Make cpusets restore on hotplug")
Test: check that writes to /dev/cpuset/background/tasks
Test: work as expected, e.g.:
Test: echo $$ > /dev/cpuset/background/tasks
Test: echo > /dev/cpuset/background/tasks
Signed-off-by: Roman Kiryanov <rkir@google.com>
Git-commit: 4a80327652a261138225722b179f21b7eac21d86
Git-repo: https://android.googlesource.com/kernel/common
Change-Id: I49d320ea046636ec38bd23f053317abc59f64f8e
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This deliberately changes the behavior of the per-cpuset
cpus file to not be effected by hotplug. When a cpu is offlined,
it will be removed from the cpuset/cpus file. When a cpu is onlined,
if the cpuset originally requested that that cpu was part of the cpuset,
that cpu will be restored to the cpuset. The cpus files still
have to be hierachical, but the ranges no longer have to be out of
the currently online cpus, just the physically present cpus.
Bug: 120444281
Change-Id: I22cdf33e7d312117bcefba1aeb0125e1ada289a9
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
[AmitP: Refactored original changes to align with upstream commit
201af4c0fa ("cgroup: move cgroup files under kernel/cgroup/")]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Git-commit: ea7de80972bb2243f64b8db99c07eca49518b197
Git-repo: https://android.googlesource.com/kernel/common
[pkondeti@codeaurora.org: Ported to 5.4 kernel]
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Currently there exists a path where cpupri_find could
return lowest_mask without removing isolated cpus. This
happened when __cpu_pri() didn't consider isolated
cpus and indicated that the lowest_mask was not empty.
Subsequently, cpupri_find_fitness() would find the
lowest_mask was empty, after removing isolated cpus.
This led to cpupri_find() being called again,
cpupri_find_fitness being re-entered, and this time,
since fitness_fn is NULL, returns true. This means there
is a case where lowest_mask only has isolated CPUs
and cpupri_find_fitness will indicate yes, cpus were found.
When invokved in the rt wakeup path through find_lowest_rq(),
this caused the pushes of rt tasks to be placed on
isolated cpus. This also causes the the wakeups of rt
tasks on isolated cpus, although this is a rare occurrence.
Fix it by ensuring __cpu_pri() removes isolated cpus from
lowest_mask, which in turn causes cpupri_find_fitness() to
skip the current task_pri index prior to making any other
decision. For the case where lowest_mask only has isolated
cpus left, this will result in no CPU being found, and
a return of false from cpupri_find_fitness().
Change-Id: I3e28b8366513ee51dc5c2d4eb0a2eb146c82f255
Signed-off-by: Stephen Dickey <dickey@codeaurora.org>
Cleanup a redundancy while checking for affinity.
Change-Id: I36b6c2f3c8e1067cb6e09f0d5fb60e9e33a4d342
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
Separate core watchdog functionality from the qcom watchdog
driver to create a framework for other qcom watchdogs. This
will reduce the duplication of code for future watchdog
drivers and allow them to take advantage of this framework.
Change-Id: I1234af9d92de6841bd09157042a4fbba1745f11b
Signed-off-by: Branden Bonaby <bbonaby@codeaurora.org>
This change is for general scheduler improvement.
Change-Id: I5e27121c3625d21d0a5abedcda9bcbfc947f5359
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This change is for general scheduler improvement.
Change-Id: Ia728ecbc780c9d172b49029ef3c87c6b3b490872
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Current find best target cpu is not check cpu_allowed mask, so
it is possible to place the task on wrong cpu, add cpu mask
check when find best target.
Change-Id: I8075657fa67704ab8d9d94d542a7983bcf8d034f
Signed-off-by: Biao Long <blong@codeaurora.org>
- Add the hook to get mutex/rwsem information that the tasks
are waiting for.
- Add the hook to print messages for sched_show_task.
- ANDROID_VENDOR_DATA_ARRAY added to task_struct
Bug: 162776704
Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Change-Id: Ib436fbd8d0ad509c3b5a73ea8f5170e0761a13fd
timer wheel calculates the index for any timer based on the expiry
value and level granularity of the timer. Due to the level granularity
timer will not fire at the exact time instead expire at a time value
expires + granularity. This is done in the timer code when the index for
each timer is calculated based on the expiry and granularity at each
level:
expires = (expires + LVL_GRAN(lvl)) >> LVL_SHIFT(lvl);
For devfreq drivers the requirement is to fire the timer at the exact
time. If the timer does not expire at the exact time then it'll take
much longer to react and increase the device frequency. Devfreq driver
registers timer for 10ms expiry and due to slack in timer code the
expirty happens at 20 ms. For eg: Frame rendering time is 16ms.
If devfreq driver reacts after 20ms instead of 10ms, that's
way past a frame rendering time.
Timers with 10ms to 630ms expiry fall under level 0, to overcome the
granularity issue for level 0 with low expirty values do not add the
granularity by introducing a new function calc_index_min_granularity.
Change-Id: I60f6f4394de4b5f409829de9734645e1a0d7659e
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
[eberman@codeaurora.org: simplify to one function]
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
This reverts commit 0d5d9413a6 as it
breaks ramdump debug tools. Will bring this back in after resolving
those issues.
Bug: 163100336
Change-Id: Ic64214c63ecd6347f5707cc7354e6969d3af0320
Signed-off-by: Saravana Kannan <saravanak@google.com>
Git-commit: ae8f7f7807
Git-repo: https://android.googlesource.com/kernel/common/
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
This reverts commit 314ac273f0 as it
breaks ramdump debug tools. Will bring this back in after resolving
those issues.
Bug: 163100336
Change-Id: Ibf46f6db0fa2bf9cc9e7121115889e15ca07cdab
Signed-off-by: Saravana Kannan <saravanak@google.com>
Git-commit: d837f090a6
Git-repo: https://android.googlesource.com/kernel/common/
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
This change is for general scheduler improvement.
Change-Id: If6e38ac379564fa906ff3db6be8bee77fcde0478
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
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Merge 5.4.58 into android11-5.4
Changes in 5.4.58
USB: serial: qcserial: add EM7305 QDL product ID
perf/core: Fix endless multiplex timer
USB: iowarrior: fix up report size handling for some devices
usb: xhci: define IDs for various ASMedia host controllers
usb: xhci: Fix ASMedia ASM1142 DMA addressing
io_uring: prevent re-read of sqe->opcode
io_uring: Fix use-after-free in io_sq_wq_submit_work()
Revert "ALSA: hda: call runtime_allow() for all hda controllers"
ALSA: hda/realtek: Add alc269/alc662 pin-tables for Loongson-3 laptops
ALSA: hda/ca0132 - Add new quirk ID for Recon3D.
ALSA: hda/ca0132 - Fix ZxR Headphone gain control get value.
ALSA: hda/ca0132 - Fix AE-5 microphone selection commands.
ALSA: seq: oss: Serialize ioctls
staging: android: ashmem: Fix lockdep warning for write operation
staging: rtl8712: handle firmware load failure
Staging: rtl8188eu: rtw_mlme: Fix uninitialized variable authmode
Bluetooth: Fix slab-out-of-bounds read in hci_extended_inquiry_result_evt()
Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_evt()
Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_with_rssi_evt()
omapfb: dss: Fix max fclk divider for omap36xx
binder: Prevent context manager from incrementing ref 0
Smack: fix use-after-free in smk_write_relabel_self()
scripts: add dummy report mode to add_namespace.cocci
vgacon: Fix for missing check in scrollback handling
mtd: properly check all write ioctls for permissions
leds: wm831x-status: fix use-after-free on unbind
leds: lm36274: fix use-after-free on unbind
leds: da903x: fix use-after-free on unbind
leds: lm3533: fix use-after-free on unbind
leds: 88pm860x: fix use-after-free on unbind
net/9p: validate fds in p9_fd_open
drm/nouveau/fbcon: fix module unload when fbcon init has failed for some reason
drm/nouveau/fbcon: zero-initialise the mode_cmd2 structure
nvme-pci: prevent SK hynix PC400 from using Write Zeroes command
drm/drm_fb_helper: fix fbdev with sparc64
i2c: slave: improve sanity check when registering
i2c: slave: add sanity check when unregistering
usb: hso: check for return value in hso_serial_common_create()
net: ethernet: mtk_eth_soc: Always call mtk_gmac0_rgmii_adjust() for mt7623
ALSA: hda: fix NULL pointer dereference during suspend
firmware: Fix a reference count leak.
cfg80211: check vendor command doit pointer before use
igb: reinit_locked() should be called with rtnl_lock
atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
tools lib traceevent: Fix memory leak in process_dynamic_array_len
Drivers: hv: vmbus: Ignore CHANNELMSG_TL_CONNECT_RESULT(23)
xattr: break delegations in {set,remove}xattr
Revert "powerpc/kasan: Fix shadow pages allocation failure"
PCI: tegra: Revert tegra124 raw_violation_fixup
ipv4: Silence suspicious RCU usage warning
ipv6: fix memory leaks on IPV6_ADDRFORM path
ipv6: Fix nexthop refcnt leak when creating ipv6 route info
net: ethernet: mtk_eth_soc: fix MTU warnings
rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
vxlan: Ensure FDB dump is performed under RCU
net: lan78xx: replace bogus endpoint lookup
appletalk: Fix atalk_proc_init() return path
dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
hv_netvsc: do not use VF device if link is down
net: gre: recompute gre csum for sctp over gre tunnels
net: thunderx: use spin_lock_bh in nicvf_set_rx_mode_task()
openvswitch: Prevent kernel-infoleak in ovs_ct_put_key()
Revert "vxlan: fix tos value before xmit"
selftests/net: relax cpu affinity requirement in msg_zerocopy test
tcp: apply a floor of 1 for RTT samples from TCP timestamps
ima: move APPRAISE_BOOTPARAM dependency on ARCH_POLICY to runtime
nfsd: Fix NFSv4 READ on RDMA when using readv
Linux 5.4.58
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0e89e2c0faf90bdf1f6ac37f9a2c2395cacab054
commit 90c91dfb86d0ff545bd329d3ddd72c147e2ae198 upstream.
Kan and Andi reported that we fail to kill rotation when the flexible
events go empty, but the context does not. XXX moar
Fixes: fd7d55172d ("perf/cgroups: Don't rotate events for cgroups unnecessarily")
Reported-by: Andi Kleen <ak@linux.intel.com>
Reported-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200305123851.GX2596@hirez.programming.kicks-ass.net
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a squash of the following two commits taken from msm-4.14
1) commit <e629221afd65> ("Perf: core: create/delete shared
kernel events").
Frequently drivers want to monitor some event like L2 misses
and cycles+instructions. If more than 1 driver wants to monitor
the same event and the event attributes are the same then we
can create just one instance of the event and let drivers
share the event. Add shared event create and delete
routines.
2) commit <f0453c73e167> ("perf: Add support for user and
kernel event sharing").
The ARM PMU counters are limited in number. Even for counting
similar events, the PMU driver allocates a new counter. Hence,
counters configured to count similar events are shared. This
was only possible for the kernel clients, but not for user-space
clients. Hence, as an extension to this, the kernel and the
user-space are now able to share the similar events. The counters
can be shared between user-space only clients, kernel only clients,
and among user-space and kernel clients. The kernel and user's
attr->type (hardware/raw) and attr->config should be same for them to
share the same counter.
Additionally,
Current enablement of kernel event sharing is not GKI
compliant. Make the sharing of kernel events configurable
so it can be enabled only on non-GKI builds.
Add dependency for enablement of sharing of user events on
enablement of sharing of kernel events.
Change-Id: I784db5a20968ba7fca20659186f23890bf6cc503
Signed-off-by: Patrick Fay <pfay@codeaurora.org>
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
[kaushalk@codeaurora.org: Make event sharing configurable, add dependencies]
Signed-off-by: Kaushal Kumar <kaushalk@codeaurora.org>
* refs/heads/tmp-3f413d0:
Linux 5.4.57
bpf: sockmap: Require attach_bpf_fd when detaching a program
selftests: bpf: Fix detach from sockmap tests
ext4: fix direct I/O read error
arm64: Workaround circular dependency in pointer_auth.h
random32: move the pseudo-random 32-bit definitions to prandom.h
random32: remove net_rand_state from the latent entropy gcc plugin
random: fix circular include dependency on arm64 after addition of percpu.h
ARM: percpu.h: fix build error
random32: update the net random state on interrupt and activity
ANDROID: Update ABI xml
UPSTREAM: of: property: Add device link support for pinctrl-0 through pinctrl-8
UPSTREAM: of: property: Add device link support for multiple DT bindings
UPSTREAM: of: property: Add device link support for extcon
UPSTREAM: driver core: Change delimiter in devlink device's name to "--"
UPSTREAM: driver core: Fix sleeping in invalid context during device link deletion
BACKPORT: driver core: Add waiting_for_supplier sysfs file for devices
UPSTREAM: driver core: Add state_synced sysfs file for devices that support it
UPSTREAM: driver core: Expose device link details in sysfs
UPSTREAM: driver core: Avoid deferred probe due to fw_devlink_pause/resume()
UPSTREAM: driver core: Rename dev_links_info.defer_sync to defer_hook
UPSTREAM: driver core: Don't do deferred probe in parallel with kernel_init thread
UPSTREAM: arm64/module: Optimize module load time by optimizing PLT counting
FROMGIT: scsi: block: pm: Simplify resume handling
Change-Id: Ide67c767b3a0f455ab5cec4b571ab599eae813d5
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Add cpu util trace point in RT EAS task placement decisions to
help debug RT taskplacement issues.
Change-Id: Ib79484e1bef863a634507989fda577ca2f79020b
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
This change is for general scheduler improvement.
Change-Id: I7da1c3cff4fb9470a3904407f180463c26315e68
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This change is for general scheduler improvement.
Change-Id: I4d4a3ca2068be977f8d6d06cd5c7be576abb629a
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
This reverts commit 0d5d9413a6 as it
breaks ramdump debug tools. Will bring this back in after resolving
those issues.
Bug: 163100336
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: Ic64214c63ecd6347f5707cc7354e6969d3af0320
This reverts commit 314ac273f0 as it
breaks ramdump debug tools. Will bring this back in after resolving
those issues.
Bug: 163100336
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: Ibf46f6db0fa2bf9cc9e7121115889e15ca07cdab
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Merge 5.4.57 into android11-5.4
Changes in 5.4.57
random32: update the net random state on interrupt and activity
ARM: percpu.h: fix build error
random: fix circular include dependency on arm64 after addition of percpu.h
random32: remove net_rand_state from the latent entropy gcc plugin
random32: move the pseudo-random 32-bit definitions to prandom.h
arm64: Workaround circular dependency in pointer_auth.h
ext4: fix direct I/O read error
selftests: bpf: Fix detach from sockmap tests
bpf: sockmap: Require attach_bpf_fd when detaching a program
Linux 5.4.57
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3f51a779843eb1bc50ac6dc7fd9c3db66b2aea7f
commit bb0de3131f4c60a9bf976681e0fe4d1e55c7a821 upstream.
The sockmap code currently ignores the value of attach_bpf_fd when
detaching a program. This is contrary to the usual behaviour of
checking that attach_bpf_fd represents the currently attached
program.
Ensure that attach_bpf_fd is indeed the currently attached
program. It turns out that all sockmap selftests already do this,
which indicates that this is unlikely to cause breakage.
Fixes: 604326b41a ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200629095630.7933-5-lmb@cloudflare.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f227e3ec3b5cad859ad15666874405e8c1bbc1d4 upstream.
This modifies the first 32 bits out of the 128 bits of a random CPU's
net_rand_state on interrupt or CPU activity to complicate remote
observations that could lead to guessing the network RNG's internal
state.
Note that depending on some network devices' interrupt rate moderation
or binding, this re-seeding might happen on every packet or even almost
never.
In addition, with NOHZ some CPUs might not even get timer interrupts,
leaving their local state rarely updated, while they are running
networked processes making use of the random state. For this reason, we
also perform this update in update_process_times() in order to at least
update the state when there is user or system activity, since it's the
only case we care about.
Reported-by: Amit Klein <aksecurity@gmail.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* refs/heads/tmp-fcb0d3e:
Linux 5.4.56
perf bench: Share some global variables to fix build with gcc 10
perf env: Do not return pointers to local variables
perf tests bp_account: Make global variable static
x86/i8259: Use printk_deferred() to prevent deadlock
KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
KVM: arm64: Don't inherit exec permission across page-table levels
drivers/net/wan: lapb: Corrected the usage of skb_cow
RISC-V: Set maximum number of mapped pages correctly
xen-netfront: fix potential deadlock in xennet_remove()
cxgb4: add missing release on skb in uld_send()
x86/stacktrace: Fix reliable check for empty user task stacks
x86/unwind/orc: Fix ORC for newly forked tasks
Revert "i2c: cadence: Fix the hold bit setting"
net: ethernet: ravb: exit if re-initialization fails in tx timeout
parisc: add support for cmpxchg on u8 pointers
scsi: core: Run queue in case of I/O resource contention failure
nfc: s3fwrn5: add missing release on skb in s3fwrn5_recv_frame
selftests: net: ip_defrag: modprobe missing nf_defrag_ipv6 support
qed: Disable "MFW indication via attention" SPAM every 5 minutes
selftests: fib_nexthop_multiprefix: fix cleanup() netns deletion
usb: hso: Fix debug compile warning on sparc32
vxlan: fix memleak of fdb
perf tools: Fix record failure when mixed with ARM SPE event
net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
net: nixge: fix potential memory leak in nixge_probe()
Bluetooth: fix kernel oops in store_pending_adv_report
arm64: csum: Fix handling of bad packets
arm64/alternatives: move length validation inside the subsection
mac80211: mesh: Free pending skb when destroying a mpath
mac80211: mesh: Free ie data when leaving mesh
bpf: Fix map leak in HASH_OF_MAPS map
ibmvnic: Fix IRQ mapping disposal in error path
mlxsw: core: Free EMAD transactions using kfree_rcu()
mlxsw: core: Increase scope of RCU read-side critical section
mlx4: disable device on shutdown
rhashtable: Fix unprotected RCU dereference in __rht_ptr
net: lan78xx: fix transfer-buffer memory leak
net: lan78xx: add missing endpoint sanity check
net/mlx5e: Fix kernel crash when setting vf VLANID on a VF dev
net/mlx5e: Modify uplink state on interface up/down
net/mlx5: Verify Hardware supports requested ptp function on a given pin
net/mlx5e: Fix error path of device attach
net/mlx5: E-switch, Destroy TSAR when fail to enable the mode
net: hns3: fix aRFS FD rules leftover after add a user FD rule
net: hns3: fix a TX timeout issue
sh: Fix validation of system call number
sh/tlb: Fix PGTABLE_LEVELS > 2
selftests/net: so_txtime: fix clang issues for target arch PowerPC
selftests/net: psock_fanout: fix clang issues for target arch PowerPC
selftests/net: rxtimestamp: fix clang issues for target arch PowerPC
nvme-tcp: fix possible hang waiting for icresp response
ARM: dts: armada-38x: fix NETA lockup when repeatedly switching speeds
xfrm: Fix crash when the hold queue is used.
ARM: dts sunxi: Relax a bit the CMA pool allocation range
xfrm: policy: match with both mark and mask on user interfaces
net/x25: Fix null-ptr-deref in x25_disconnect
net/x25: Fix x25_neigh refcnt leak when x25 disconnect
libtraceevent: Fix build with binutils 2.35
rds: Prevent kernel-infoleak in rds_notify_queue_get()
drm: hold gem reference until object is no longer accessed
drm/dbi: Fix SPI Type 1 (9-bit) transfer
drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl()
drm/amd/display: Clear dm_state for fast updates
Revert "drm/amdgpu: Fix NULL dereference in dpm sysfs handlers"
virtio_balloon: fix up endian-ness for free cmd id
ARM: dts: imx6qdl-icore: Fix OTG_ID pin and sdcard detect
ARM: dts: imx6sx-sdb: Fix the phy-mode on fec2
ARM: dts: imx6sx-sabreauto: Fix the phy-mode on fec2
ARM: 8986/1: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
wireless: Use offsetof instead of custom macro.
9p/trans_fd: Fix concurrency del of req_list in p9_fd_cancelled/p9_read_work
vhost/scsi: fix up req type endian-ness
IB/rdmavt: Fix RQ counting issues causing use of an invalid RWQE
ALSA: hda/hdmi: Fix keep_power assignment for non-component devices
ALSA: hda/realtek - Fixed HP right speaker no sound
ALSA: hda/realtek: Fix add a "ultra_low_power" function for intel reference board (alc256)
ALSA: hda/realtek: typo_fix: enable headset mic of ASUS ROG Zephyrus G14(GA401) series with ALC289
ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G15(GA502) series with ALC289
ALSA: usb-audio: Add implicit feedback quirk for SSL2
mm/filemap.c: don't bother dropping mmap_sem for zero size readahead
PCI/ASPM: Disable ASPM on ASMedia ASM1083/1085 PCIe-to-PCI bridge
ath10k: enable transmit data ack RSSI for QCA9884
sunrpc: check that domain table is empty at module unload.
media: rc: prevent memory leak in cx23888_ir_probe
crypto: ccp - Release all allocated memory if sha type is invalid
ANDROID: ABI: Update allowed list for QCOM
Revert "ANDROID: GKI: update abi symbol lists now that CONFIG_DWC3 is enabled."
ANDROID: kallsyms: increase KSYM_NAME_LEN
ANDROID: GKI: update KMI after RCU CONFIGs added
ANDROID: GKI: enable RCU configs
ANDROID: KABI updates for db845c (USB_DWC3 whiplash fixups)
ANDROID: Revert "ANDROID: db845c_gki.fragment: Remove DWC3 modules built into GKI"
ANDROID: Open-code OWNERS emails for now
ANDROID: Initial OWNERS for abi metafiles
ANDROID: ABI: update symbols of charger-manager.ko to unisoc
ANDROID: GKI: fix symbol_get/put() build error on arm64 defconfig
ANDROID: GKI: Fix up "do not export symbol_get/put()" commit
Conflicts:
android/abi_gki_aarch64_qcom
mm/filemap.c
Change-Id: I24f59bf5cf2a9ab41ae0864beb8756eed0998345
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
