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This is the 5.4.41 stable release

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Merge 5.4.41 into android-5.4-stable

Changes in 5.4.41
	USB: serial: qcserial: Add DW5816e support
	nvme: refactor nvme_identify_ns_descs error handling
	nvme: fix possible hang when ns scanning fails during error recovery
	tracing/kprobes: Fix a double initialization typo
	net: macb: Fix runtime PM refcounting
	drm/amdgpu: move kfd suspend after ip_suspend_phase1
	drm/amdgpu: drop redundant cg/pg ungate on runpm enter
	vt: fix unicode console freeing with a common interface
	tty: xilinx_uartps: Fix missing id assignment to the console
	devlink: fix return value after hitting end in region read
	dp83640: reverse arguments to list_add_tail
	fq_codel: fix TCA_FQ_CODEL_DROP_BATCH_SIZE sanity checks
	ipv6: Use global sernum for dst validation with nexthop objects
	mlxsw: spectrum_acl_tcam: Position vchunk in a vregion list properly
	neigh: send protocol value in neighbor create notification
	net: dsa: Do not leave DSA master with NULL netdev_ops
	net: macb: fix an issue about leak related system resources
	net: macsec: preserve ingress frame ordering
	net/mlx4_core: Fix use of ENOSPC around mlx4_counter_alloc()
	net_sched: sch_skbprio: add message validation to skbprio_change()
	net: stricter validation of untrusted gso packets
	net: tc35815: Fix phydev supported/advertising mask
	net/tls: Fix sk_psock refcnt leak in bpf_exec_tx_verdict()
	net/tls: Fix sk_psock refcnt leak when in tls_data_ready()
	net: usb: qmi_wwan: add support for DW5816e
	nfp: abm: fix a memory leak bug
	sch_choke: avoid potential panic in choke_reset()
	sch_sfq: validate silly quantum values
	tipc: fix partial topology connection closure
	tunnel: Propagate ECT(1) when decapsulating as recommended by RFC6040
	bnxt_en: Fix VF anti-spoof filter setup.
	bnxt_en: Reduce BNXT_MSIX_VEC_MAX value to supported CQs per PF.
	bnxt_en: Improve AER slot reset.
	bnxt_en: Return error when allocating zero size context memory.
	bnxt_en: Fix VLAN acceleration handling in bnxt_fix_features().
	net/mlx5: DR, On creation set CQ's arm_db member to right value
	net/mlx5: Fix forced completion access non initialized command entry
	net/mlx5: Fix command entry leak in Internal Error State
	net: mvpp2: prevent buffer overflow in mvpp22_rss_ctx()
	net: mvpp2: cls: Prevent buffer overflow in mvpp2_ethtool_cls_rule_del()
	HID: wacom: Read HID_DG_CONTACTMAX directly for non-generic devices
	sctp: Fix bundling of SHUTDOWN with COOKIE-ACK
	Revert "HID: wacom: generic: read the number of expected touches on a per collection basis"
	HID: usbhid: Fix race between usbhid_close() and usbhid_stop()
	HID: wacom: Report 2nd-gen Intuos Pro S center button status over BT
	USB: uas: add quirk for LaCie 2Big Quadra
	usb: chipidea: msm: Ensure proper controller reset using role switch API
	USB: serial: garmin_gps: add sanity checking for data length
	tracing: Add a vmalloc_sync_mappings() for safe measure
	crypto: arch/nhpoly1305 - process in explicit 4k chunks
	KVM: s390: Remove false WARN_ON_ONCE for the PQAP instruction
	KVM: VMX: Explicitly clear RFLAGS.CF and RFLAGS.ZF in VM-Exit RSB path
	KVM: arm: vgic: Fix limit condition when writing to GICD_I[CS]ACTIVER
	KVM: arm64: Fix 32bit PC wrap-around
	arm64: hugetlb: avoid potential NULL dereference
	drm: ingenic-drm: add MODULE_DEVICE_TABLE
	ipc/mqueue.c: change __do_notify() to bypass check_kill_permission()
	epoll: atomically remove wait entry on wake up
	eventpoll: fix missing wakeup for ovflist in ep_poll_callback
	mm/page_alloc: fix watchdog soft lockups during set_zone_contiguous()
	mm: limit boost_watermark on small zones
	ceph: fix endianness bug when handling MDS session feature bits
	ceph: demote quotarealm lookup warning to a debug message
	staging: gasket: Check the return value of gasket_get_bar_index()
	coredump: fix crash when umh is disabled
	riscv: set max_pfn to the PFN of the last page
	iocost: protect iocg->abs_vdebt with iocg->waitq.lock
	batman-adv: fix batadv_nc_random_weight_tq
	batman-adv: Fix refcnt leak in batadv_show_throughput_override
	batman-adv: Fix refcnt leak in batadv_store_throughput_override
	batman-adv: Fix refcnt leak in batadv_v_ogm_process
	x86/entry/64: Fix unwind hints in register clearing code
	x86/entry/64: Fix unwind hints in kernel exit path
	x86/entry/64: Fix unwind hints in rewind_stack_do_exit()
	x86/unwind/orc: Don't skip the first frame for inactive tasks
	x86/unwind/orc: Prevent unwinding before ORC initialization
	x86/unwind/orc: Fix error path for bad ORC entry type
	x86/unwind/orc: Fix premature unwind stoppage due to IRET frames
	KVM: x86: Fixes posted interrupt check for IRQs delivery modes
	arch/x86/kvm/svm/sev.c: change flag passed to GUP fast in sev_pin_memory()
	netfilter: nat: never update the UDP checksum when it's 0
	netfilter: nf_osf: avoid passing pointer to local var
	objtool: Fix stack offset tracking for indirect CFAs
	iommu/virtio: Reverse arguments to list_add
	scripts/decodecode: fix trapping instruction formatting
	mm, memcg: fix error return value of mem_cgroup_css_alloc()
	bdi: move bdi_dev_name out of line
	bdi: add a ->dev_name field to struct backing_dev_info
	fsnotify: replace inode pointer with an object id
	fanotify: merge duplicate events on parent and child
	Linux 5.4.41

Signed-off-by: Greg Kroah-Hartman <[email protected]>
Change-Id: Ie6695b1dace8ca62579a57084608e9268e52fde9
This commit is contained in:
Greg Kroah-Hartman 2020-05-14 08:55:48 +02:00
commit 5e169f689f
90 changed files with 647 additions and 345 deletions
Download patch file Download diff file Expand all files Collapse all files

13
mm/backing-dev.c
View file

@ -21,7 +21,7 @@ struct backing_dev_info noop_backing_dev_info = {
EXPORT_SYMBOL_GPL(noop_backing_dev_info);
static struct class *bdi_class;
const char *bdi_unknown_name = "(unknown)";
static const char *bdi_unknown_name = "(unknown)";
/*
* bdi_lock protects bdi_tree and updates to bdi_list. bdi_list has RCU
@ -938,7 +938,8 @@ int bdi_register_va(struct backing_dev_info *bdi, const char *fmt, va_list args)
if (bdi->dev) /* The driver needs to use separate queues per device */
return 0;
dev = device_create_vargs(bdi_class, NULL, MKDEV(0, 0), bdi, fmt, args);
vsnprintf(bdi->dev_name, sizeof(bdi->dev_name), fmt, args);
dev = device_create(bdi_class, NULL, MKDEV(0, 0), bdi, bdi->dev_name);
if (IS_ERR(dev))
return PTR_ERR(dev);
@ -1043,6 +1044,14 @@ void bdi_put(struct backing_dev_info *bdi)
}
EXPORT_SYMBOL(bdi_put);
const char *bdi_dev_name(struct backing_dev_info *bdi)
{
if (!bdi || !bdi->dev)
return bdi_unknown_name;
return bdi->dev_name;
}
EXPORT_SYMBOL_GPL(bdi_dev_name);
static wait_queue_head_t congestion_wqh[2] = {
__WAIT_QUEUE_HEAD_INITIALIZER(congestion_wqh[0]),
__WAIT_QUEUE_HEAD_INITIALIZER(congestion_wqh[1])

15
mm/memcontrol.c
View file

@ -5101,19 +5101,22 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
unsigned int size;
int node;
int __maybe_unused i;
long error = -ENOMEM;
size = sizeof(struct mem_cgroup);
size += nr_node_ids * sizeof(struct mem_cgroup_per_node *);
memcg = kzalloc(size, GFP_KERNEL);
if (!memcg)
return NULL;
return ERR_PTR(error);
memcg->id.id = idr_alloc(&mem_cgroup_idr, NULL,
1, MEM_CGROUP_ID_MAX,
GFP_KERNEL);
if (memcg->id.id < 0)
if (memcg->id.id < 0) {
error = memcg->id.id;
goto fail;
}
memcg->vmstats_local = alloc_percpu(struct memcg_vmstats_percpu);
if (!memcg->vmstats_local)
@ -5158,7 +5161,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
fail:
mem_cgroup_id_remove(memcg);
__mem_cgroup_free(memcg);
return NULL;
return ERR_PTR(error);
}
static struct cgroup_subsys_state * __ref
@ -5169,8 +5172,8 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
long error = -ENOMEM;
memcg = mem_cgroup_alloc();
if (!memcg)
return ERR_PTR(error);
if (IS_ERR(memcg))
return ERR_CAST(memcg);
memcg->high = PAGE_COUNTER_MAX;
memcg->soft_limit = PAGE_COUNTER_MAX;
@ -5220,7 +5223,7 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
fail:
mem_cgroup_id_remove(memcg);
mem_cgroup_free(memcg);
return ERR_PTR(-ENOMEM);
return ERR_PTR(error);
}
static int mem_cgroup_css_online(struct cgroup_subsys_state *css)

9
mm/page_alloc.c
View file

@ -1567,6 +1567,7 @@ void set_zone_contiguous(struct zone *zone)
if (!__pageblock_pfn_to_page(block_start_pfn,
block_end_pfn, zone))
return;
cond_resched();
}
/* We confirm that there is no hole */
@ -2362,6 +2363,14 @@ static inline void boost_watermark(struct zone *zone)
if (!watermark_boost_factor)
return;
/*
* Don't bother in zones that are unlikely to produce results.
* On small machines, including kdump capture kernels running
* in a small area, boosting the watermark can cause an out of
* memory situation immediately.
*/
if ((pageblock_nr_pages * 4) > zone_managed_pages(zone))
return;
max_boost = mult_frac(zone->_watermark[WMARK_HIGH],
watermark_boost_factor, 10000);