On a large SMP systems with hundreds of CPUs, the current thresholds
for allocating and freeing debug objects (256 and 1024 respectively)
may not work well. This can cause a lot of needless calls to
kmem_aloc() and kmem_free() on those systems.
To alleviate this thrashing problem, the object freeing threshold
is now increased to "1024 + # of CPUs * 32". Whereas the object
allocation threshold is increased to "256 + # of CPUs * 4". That
should make the debug objects subsystem scale better with the number
of CPUs available in the system.
Signed-off-by: Waiman Long <longman@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: "Du Changbin" <changbin.du@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Stancek <jstancek@redhat.com>
Link: http://lkml.kernel.org/r/1483647425-4135-3-git-send-email-longman@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
New debugfs stat counters are added to track the numbers of
kmem_cache_alloc() and kmem_cache_free() function calls to get a
sense of how the internal debug objects cache management is performing.
Signed-off-by: Waiman Long <longman@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: "Du Changbin" <changbin.du@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Stancek <jstancek@redhat.com>
Link: http://lkml.kernel.org/r/1483647425-4135-2-git-send-email-longman@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
I've seen this trigger twice now, where the i915_gem_object_to_ggtt()
call in intel_unpin_fb_obj() returns NULL, resulting in an oops
immediately afterwards as the (inlined) call to i915_vma_unpin_fence()
tries to dereference it.
It seems to be some race condition where the object is going away at
shutdown time, since both times happened when shutting down the X
server. The call chains were different:
- VT ioctl(KDSETMODE, KD_TEXT):
intel_cleanup_plane_fb+0x5b/0xa0 [i915]
drm_atomic_helper_cleanup_planes+0x6f/0x90 [drm_kms_helper]
intel_atomic_commit_tail+0x749/0xfe0 [i915]
intel_atomic_commit+0x3cb/0x4f0 [i915]
drm_atomic_commit+0x4b/0x50 [drm]
restore_fbdev_mode+0x14c/0x2a0 [drm_kms_helper]
drm_fb_helper_restore_fbdev_mode_unlocked+0x34/0x80 [drm_kms_helper]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
intel_fbdev_set_par+0x18/0x70 [i915]
fb_set_var+0x236/0x460
fbcon_blank+0x30f/0x350
do_unblank_screen+0xd2/0x1a0
vt_ioctl+0x507/0x12a0
tty_ioctl+0x355/0xc30
do_vfs_ioctl+0xa3/0x5e0
SyS_ioctl+0x79/0x90
entry_SYSCALL_64_fastpath+0x13/0x94
- i915 unpin_work workqueue:
intel_unpin_work_fn+0x58/0x140 [i915]
process_one_work+0x1f1/0x480
worker_thread+0x48/0x4d0
kthread+0x101/0x140
and this patch purely papers over the issue by adding a NULL pointer
check and a WARN_ON_ONCE() to avoid the oops that would then generally
make the machine unresponsive.
Other callers of i915_gem_object_to_ggtt() seem to also check for the
returned pointer being NULL and warn about it, so this clearly has
happened before in other places.
[ Reported it originally to the i915 developers on Jan 8, applying the
ugly workaround on my own now after triggering the problem for the
second time with no feedback.
This is likely to be the same bug reported as
https://bugs.freedesktop.org/show_bug.cgi?id=98829https://bugs.freedesktop.org/show_bug.cgi?id=99134
which has a patch for the underlying problem, but it hasn't gotten to
me, so I'm applying the workaround. ]
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull two parisc fixes from Helge Deller:
"One fix to avoid usage of BITS_PER_LONG in user-space exported swab.h
header which breaks compiling qemu, and one trivial fix for printk
continuation in the parisc parport driver"
* 'parisc-4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header
parisc, parport_gsc: Fixes for printk continuation lines
Pull i2c fixes from Wolfram Sang:
"Two I2C driver bugfixes.
The 'VLLS mode support' patch should have been entitled 'reconfigure
pinctrl after suspend' to make the bugfix more clear. Sorry, I missed
that, yet didn't want to rebase"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: imx-lpi2c: add VLLS mode support
i2c: i2c-cadence: Initialize configuration before probing devices
In swab.h the "#if BITS_PER_LONG > 32" breaks compiling userspace programs if
BITS_PER_LONG is #defined by userspace with the sizeof() compiler builtin.
Solve this problem by using __BITS_PER_LONG instead. Since we now
#include asm/bitsperlong.h avoid further potential userspace pollution
by moving the #define of SHIFT_PER_LONG to bitops.h which is not
exported to userspace.
This patch unbreaks compiling qemu on hppa/parisc.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
Stable patches:
- NFSv4.1: Fix a deadlock in layoutget
- NFSv4 must not bump sequence ids on NFS4ERR_MOVED errors
- NFSv4 Fix a regression with OPEN EXCLUSIVE4 mode
- Fix a memory leak when removing the SUNRPC module
Bugfixes:
- Fix a reference leak in _pnfs_return_layout
-----BEGIN PGP SIGNATURE-----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=S5qH
-----END PGP SIGNATURE-----
Merge tag 'nfs-for-4.10-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Stable patches:
- NFSv4.1: Fix a deadlock in layoutget
- NFSv4 must not bump sequence ids on NFS4ERR_MOVED errors
- NFSv4 Fix a regression with OPEN EXCLUSIVE4 mode
- Fix a memory leak when removing the SUNRPC module
Bugfixes:
- Fix a reference leak in _pnfs_return_layout"
* tag 'nfs-for-4.10-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
pNFS: Fix a reference leak in _pnfs_return_layout
nfs: Fix "Don't increment lock sequence ID after NFS4ERR_MOVED"
SUNRPC: cleanup ida information when removing sunrpc module
NFSv4.0: always send mode in SETATTR after EXCLUSIVE4
nfs: Don't increment lock sequence ID after NFS4ERR_MOVED
NFSv4.1: Fix a deadlock in layoutget
Pull MD fixes from Shaohua Li:
"This fixes several corner cases for raid5 cache, which is merged into
this cycle"
* tag 'md/4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md/r5cache: disable write back for degraded array
md/r5cache: shift complex rmw from read path to write path
md/r5cache: flush data only stripes in r5l_recovery_log()
md/raid5: move comment of fetch_block to right location
md/r5cache: read data into orig_page for prexor of cached data
md/raid5-cache: delete meaningless code
is not currently handled
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=syme
-----END PGP SIGNATURE-----
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix kernel panic on ACPI-based systems where CPU capacity description
is not currently handled"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: skip register_cpufreq_notifier on ACPI-based systems
- Fix for unaligned access emulation corner case
- fix for udelay loop inline asm regression
- Fix irq affinity finally for AXS103 board [Yuriy]
- Final fixes for setting IO-coherency sanely in SMP
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=u+Jp
-----END PGP SIGNATURE-----
Merge tag 'arc-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Hopefully last set of changes for ARC for 4.10:
- fix for unaligned access emulation corner case
- fix for udelay loop inline asm regression
- fix irq affinity finally for AXS103 board [Yuriy]
- final fixes for setting IO-coherency sanely in SMP"
* tag 'arc-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: [arcompact] handle unaligned access delay slot corner case
ARCv2: smp-boot: wake_flag polling by non-Masters needs to be uncached
ARC: smp-boot: Decouple Non masters waiting API from jump to entry point
ARCv2: MCIP: update the BCR per current changes
ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list
ARCv2: MCIP: Deprecate setting of affinity in Device Tree
Pull networking fixes from David Miller:
1) GTP fixes from Andreas Schultz (missing genl module alias, clear IP
DF on transmit).
2) Netfilter needs to reflect the fwmark when sending resets, from Pau
Espin Pedrol.
3) nftable dump OOPS fix from Liping Zhang.
4) Fix erroneous setting of VIRTIO_NET_HDR_F_DATA_VALID on transmit,
from Rolf Neugebauer.
5) Fix build error of ipt_CLUSTERIP when procfs is disabled, from Arnd
Bergmann.
6) Fix regression in handling of NETIF_F_SG in harmonize_features(),
from Eric Dumazet.
7) Fix RTNL deadlock wrt. lwtunnel module loading, from David Ahern.
8) tcp_fastopen_create_child() needs to setup tp->max_window, from
Alexey Kodanev.
9) Missing kmemdup() failure check in ipv6 segment routing code, from
Eric Dumazet.
10) Don't execute unix_bind() under the bindlock, otherwise we deadlock
with splice. From WANG Cong.
11) ip6_tnl_parse_tlv_enc_lim() potentially reallocates the skb buffer,
therefore callers must reload cached header pointers into that skb.
Fix from Eric Dumazet.
12) Fix various bugs in legacy IRQ fallback handling in alx driver, from
Tobias Regnery.
13) Do not allow lwtunnel drivers to be unloaded while they are
referenced by active instances, from Robert Shearman.
14) Fix truncated PHY LED trigger names, from Geert Uytterhoeven.
15) Fix a few regressions from virtio_net XDP support, from John
Fastabend and Jakub Kicinski.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (102 commits)
ISDN: eicon: silence misleading array-bounds warning
net: phy: micrel: add support for KSZ8795
gtp: fix cross netns recv on gtp socket
gtp: clear DF bit on GTP packet tx
gtp: add genl family modules alias
tcp: don't annotate mark on control socket from tcp_v6_send_response()
ravb: unmap descriptors when freeing rings
virtio_net: reject XDP programs using header adjustment
virtio_net: use dev_kfree_skb for small buffer XDP receive
r8152: check rx after napi is enabled
r8152: re-schedule napi for tx
r8152: avoid start_xmit to schedule napi when napi is disabled
r8152: avoid start_xmit to call napi_schedule during autosuspend
net: dsa: Bring back device detaching in dsa_slave_suspend()
net: phy: leds: Fix truncated LED trigger names
net: phy: leds: Break dependency of phy.h on phy_led_triggers.h
net: phy: leds: Clear phy_num_led_triggers on failure to avoid crash
net-next: ethernet: mediatek: change the compatible string
Documentation: devicetree: change the mediatek ethernet compatible string
bnxt_en: Fix RTNL lock usage on bnxt_get_port_module_status().
...
- Fix race conditions in the CoW code
- Fix some incorrect input validation checks
- Avoid crashing fs by running out of space when freeing inodes
- Fix toctou race wrt whether or not an inode has an attr
- Fix build error on arm
- Fix page refcount corruption when readahead fails
- Don't corrupt userspace in the bmap ioctl
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=Co7t
-----END PGP SIGNATURE-----
Merge tag 'xfs-for-linus-4.10-rc6-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs uodates from Darrick Wong:
"I have some more fixes this week: better input validation, corruption
avoidance, build fixes, memory leak fixes, and a couple from Christoph
to avoid an ENOSPC failure.
Summary:
- Fix race conditions in the CoW code
- Fix some incorrect input validation checks
- Avoid crashing fs by running out of space when freeing inodes
- Fix toctou race wrt whether or not an inode has an attr
- Fix build error on arm
- Fix page refcount corruption when readahead fails
- Don't corrupt userspace in the bmap ioctl"
* tag 'xfs-for-linus-4.10-rc6-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: prevent quotacheck from overloading inode lru
xfs: fix bmv_count confusion w/ shared extents
xfs: clear _XBF_PAGES from buffers when readahead page
xfs: extsize hints are not unlikely in xfs_bmap_btalloc
xfs: remove racy hasattr check from attr ops
xfs: use per-AG reservations for the finobt
xfs: only update mount/resv fields on success in __xfs_ag_resv_init
xfs: verify dirblocklog correctly
xfs: fix COW writeback race
Pull btrfs updates from Chris Mason:
"Some fixes that we've collected from the list.
We still have one more pending to nail down a regression in lzo
compression, but I wanted to get this batch out the door"
* 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: remove ->{get, set}_acl() from btrfs_dir_ro_inode_operations
Btrfs: disable xattr operations on subvolume directories
Btrfs: remove old tree_root case in btrfs_read_locked_inode()
Btrfs: fix truncate down when no_holes feature is enabled
Btrfs: Fix deadlock between direct IO and fast fsync
btrfs: fix false enospc error when truncating heavily reflinked file
Pull block fixes from Jens Axboe:
"A set of fixes for this series. This contains:
- Set of fixes for the nvme target code
- A revert of patch from this merge window, causing a regression with
WRITE_SAME on iSCSI targets at least.
- A fix for a use-after-free in the new O_DIRECT bdev code.
- Two fixes for the xen-blkfront driver"
* 'for-linus' of git://git.kernel.dk/linux-block:
Revert "sd: remove __data_len hack for WRITE SAME"
nvme-fc: use blk_rq_nr_phys_segments
nvmet-rdma: Fix missing dma sync to nvme data structures
nvmet: Call fatal_error from keep-alive timout expiration
nvmet: cancel fatal error and flush async work before free controller
nvmet: delete controllers deletion upon subsystem release
nvmet_fc: correct logic in disconnect queue LS handling
block: fix use after free in __blkdev_direct_IO
xen-blkfront: correct maximum segment accounting
xen-blkfront: feature flags handling adjustments
- Series of iw_cxgb4 fixes to make it work with the drain cq API
- One or two patches each to: srp, iser, cxgb3, vmw_pvrdma, umem, rxe,
and ipoib
- One big series (13 patches) for the new qedr driver
-----BEGIN PGP SIGNATURE-----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=d5rm
-----END PGP SIGNATURE-----
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"Second round of -rc fixes for 4.10.
This -rc cycle has been slow for the rdma subsystem. I had already
sent you the first batch before the Holiday break. After that, we kept
only getting a few here or there. Up until this week, when I got a
drop of 13 to one driver (qedr). So, here's the -rc patches I have. I
currently have none held in reserve, so unless something new comes in,
this is it until the next merge window opens.
Summary:
- series of iw_cxgb4 fixes to make it work with the drain cq API
- one or two patches each to: srp, iser, cxgb3, vmw_pvrdma, umem,
rxe, and ipoib
- one big series (13 patches) for the new qedr driver"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (27 commits)
RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled
IB/rxe: Prevent from completer to operate on non valid QP
IB/rxe: Fix rxe dev insertion to rxe_dev_list
IB/umem: Release pid in error and ODP flow
RDMA/qedr: Dispatch port active event from qedr_add
RDMA/qedr: Fix and simplify memory leak in PD alloc
RDMA/qedr: Fix RDMA CM loopback
RDMA/qedr: Fix formatting
RDMA/qedr: Mark three functions as static
RDMA/qedr: Don't reset QP when queues aren't flushed
RDMA/qedr: Don't spam dmesg if QP is in error state
RDMA/qedr: Remove CQ spinlock from CM completion handlers
RDMA/qedr: Return max inline data in QP query result
RDMA/qedr: Return success when not changing QP state
RDMA/qedr: Add uapi header qedr-abi.h
RDMA/qedr: Fix MTU returned from QP query
RDMA/core: Add the function ib_mtu_int_to_enum
IB/vmw_pvrdma: Fix incorrect cleanup on pvrdma_pci_probe error path
IB/vmw_pvrdma: Don't leak info from alloc_ucontext
IB/cxgb3: fix misspelling in header guard
...
Pull s390 fixes from Martin Schwidefsky:
"Another two bug fixes:
- ptrace partial write information leak
- a guest page hinting regression introduced with v4.6"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: Fix cmma unused transfer from pgste into pte
s390/ptrace: Preserve previous registers for short regset write
Pull swiotlb fix from Konrad Rzeszutek Wilk:
"An ARM fix in the Xen SWIOTLB - mainly the translation of physical to
bus addresses was done just a tad too late"
* 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb-xen: update dev_addr after swapping pages
- mdev IOMMU groups are not yet compatible with the powerpc SPAPR
IOMMU backend, detect and fail group attach (Greg Kurz)
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.14 (GNU/Linux)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=h4To
-----END PGP SIGNATURE-----
Merge tag 'vfio-v4.10-rc6' of git://github.com/awilliam/linux-vfio
Pull VFIO fix from Alex Williamson:
"mdev IOMMU groups are not yet compatible with the powerpc SPAPR IOMMU
backend, detect and fail group attach (Greg Kurz)"
* tag 'vfio-v4.10-rc6' of git://github.com/awilliam/linux-vfio:
vfio/spapr: fail tce_iommu_attach_group() when iommu_data is null
If IPV6 has not been enabled in the underlying kernel, we must avoid
calling IPV6 procedures in rdma_cm.ko.
This requires using "IS_ENABLED(CONFIG_IPV6)" in "if" statements
surrounding any code which calls external IPV6 procedures.
In the instance fixed here, procedure cma_bind_addr() called
ipv6_addr_type() -- which resulted in calling external procedure
__ipv6_addr_type().
Fixes: 6c26a77124 ("RDMA/cma: fix IPv6 address resolution")
Cc: <stable@vger.kernel.org> # v4.2+
Cc: Spencer Baugh <sbaugh@catern.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Konrad writes:
Please pull in your 'for-linus' branch two little fixes for Xen
block front:
One fix is for handling the XEN_PAGE_SIZE != PAGE_SIZE (4KB vs 64KB
on ARM for example) mishandling while the other is fixing
the accounting for the configuration changes.
After emulating an unaligned access in delay slot of a branch, we
pretend as the delay slot never happened - so return back to actual
branch target (or next PC if branch was not taken).
Curently we did this by handling STATUS32.DE, we also need to clear the
BTA.T bit, which is disregarded when returning from original misaligned
exception, but could cause weirdness if it took the interrupt return
path (in case interrupt was acive too)
One ARC700 customer ran into this when enabling unaligned access fixup
for kernel mode accesses as well
Cc: stable@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
-----BEGIN PGP SIGNATURE-----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=r51U
-----END PGP SIGNATURE-----
Merge tag 'media/v4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fix a regression on tvp5150 causing failures at input selection and
image glitches
- CEC was moved out of staging for v4.10. Fix some bugs on it while not
too late
- fix a regression on pctv452e caused by VM stack changes
- fix suspend issued with smiapp
- fix a regression on cobalt driver
- fix some warnings and Kconfig issues with some random configs.
* tag 'media/v4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] s5k4ecgx: select CRC32 helper
[media] dvb: avoid warning in dvb_net
[media] v4l: tvp5150: Don't override output pinmuxing at stream on/off time
[media] v4l: tvp5150: Fix comment regarding output pin muxing
[media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers
[media] pctv452e: move buffer to heap, no mutex
[media] media/cobalt: use pci_irq_allocate_vectors
[media] cec: fix race between configuring and unconfiguring
[media] cec: move cec_report_phys_addr into cec_config_thread_func
[media] cec: replace cec_report_features by cec_fill_msg_report_features
[media] cec: update log_addr[] before finishing configuration
[media] cec: CEC_MSG_GIVE_FEATURES should abort for CEC version < 2
[media] cec: when canceling a message, don't overwrite old status info
[media] cec: fix report_current_latency
[media] smiapp: Make suspend and resume functions __maybe_unused
[media] smiapp: Implement power-on and power-off sequences without runtime PM
Pull thermal management fix from Zhang Rui:
"A single revert from a recently introduced problem.
Specifics:
Commit 7611fb6806 ("thermal: thermal_hwmon: Convert to
hwmon_device_register_with_info()"), which was introduced in 4.10-rc5,
uses new hwmon API. But this breaks some soc thermal driver because
the new hwmon API has a strict rule for the hwmon device name. Revert
the offending commit as a quick solution for 4.10"
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
Revert "thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()"
Quotacheck runs at mount time in situations where quota accounting must
be recalculated. In doing so, it uses bulkstat to visit every inode in
the filesystem. Historically, every inode processed during quotacheck
was released and immediately tagged for reclaim because quotacheck runs
before the superblock is marked active by the VFS. In other words,
the final iput() lead to an immediate ->destroy_inode() call, which
allowed the XFS background reclaim worker to start reclaiming inodes.
Commit 17c12bcd3 ("xfs: when replaying bmap operations, don't let
unlinked inodes get reaped") marks the XFS superblock active sooner as
part of the mount process to support caching inodes processed during log
recovery. This occurs before quotacheck and thus means all inodes
processed by quotacheck are inserted to the LRU on release. The
s_umount lock is held until the mount has completed and thus prevents
the shrinkers from operating on the sb. This means that quotacheck can
excessively populate the inode LRU and lead to OOM conditions on systems
without sufficient RAM.
Update the quotacheck bulkstat handler to set XFS_IGET_DONTCACHE on
inodes processed by quotacheck. This causes ->drop_inode() to return 1
and in turn causes iput_final() to evict the inode. This preserves the
original quotacheck behavior and prevents it from overloading the LRU
and running out of memory.
CC: stable@vger.kernel.org # v4.9
Reported-by: Martin Svec <martin.svec@zoner.cz>
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
With some gcc versions, we get a warning about the eicon driver,
and that currently shows up as the only remaining warning in one
of the build bots:
In file included from ../drivers/isdn/hardware/eicon/message.c:30:0:
eicon/message.c: In function 'mixer_notify_update':
eicon/platform.h:333:18: warning: array subscript is above array bounds [-Warray-bounds]
The code is easily changed to open-code the unusual PUT_WORD() line
causing this to avoid the warning.
Cc: stable@vger.kernel.org
Link: http://arm-soc.lixom.net/buildlogs/stable-rc/v4.4.45/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is adds support for the PHYs in the KSZ8795 5port managed switch.
It will allow to detect the link between the switch and the soc
and uses the same read_status functions as the KSZ8873MLL switch.
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andreas Schultz says:
====================
various gtp fixes
I'm sorry for the compile error mess up in the last version.
It's no excuse for not test compiling, but the hunks got lost in
a rebase.
This is the part of the previous "simple gtp improvements" series
that Pablo indicated should go into net.
The addition of the module alias fixes genl family autoloading,
clearing the DF bit fixes a protocol violation in regard to the
specification and the netns comparison fixes a corner case of
cross netns recv.
v2->v3: fix compiler error introduced in rebase
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The use of the passed through netlink src_net to check for a
cross netns operation was wrong. Using the GTP socket and the
GTP netdevice is always correct (even if the netdev has been
moved to new netns after link creation).
Remove the now obsolete net field from gtp_dev.
Signed-off-by: Andreas Schultz <aschultz@tpip.net>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3GPP TS 29.281 and 3GPP TS 29.060 imply that GTP-U packets should be
sent with the DF bit cleared. For example 3GPP TS 29.060, Release 8,
Section 13.2.2:
> Backbone router: Any router in the backbone may fragment the GTP
> packet if needed, according to IPv4.
Signed-off-by: Andreas Schultz <aschultz@tpip.net>
Acked-by: Harald Welte <laforge@netfilter.org>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Auto-load the module when userspace asks for the gtp netlink
family.
Signed-off-by: Andreas Schultz <aschultz@tpip.net>
Acked-by: Harald Welte <laforge@netfilter.org>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Unlike ipv4, this control socket is shared by all cpus so we cannot use
it as scratchpad area to annotate the mark that we pass to ip6_xmit().
Add a new parameter to ip6_xmit() to indicate the mark. The SCTP socket
family caches the flowi6 structure in the sctp_transport structure, so
we cannot use to carry the mark unless we later on reset it back, which
I discarded since it looks ugly to me.
Fixes: bf99b4ded5 ("tcp: fix mark propagation with fwmark_reflect enabled")
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
On ACPI based systems where the topology is setup using the API
store_cpu_topology, at the moment we do not have necessary code
to parse cpu capacity and handle cpufreq notifier, thus
resulting in a kernel panic.
Stack:
init_cpu_capacity_callback+0xb4/0x1c8
notifier_call_chain+0x5c/0xa0
__blocking_notifier_call_chain+0x58/0xa0
blocking_notifier_call_chain+0x3c/0x50
cpufreq_set_policy+0xe4/0x328
cpufreq_init_policy+0x80/0x100
cpufreq_online+0x418/0x710
cpufreq_add_dev+0x118/0x180
subsys_interface_register+0xa4/0xf8
cpufreq_register_driver+0x1c0/0x298
cppc_cpufreq_init+0xdc/0x1000 [cppc_cpufreq]
do_one_initcall+0x5c/0x168
do_init_module+0x64/0x1e4
load_module+0x130c/0x14d0
SyS_finit_module+0x108/0x120
el0_svc_naked+0x24/0x28
Fixes: 7202bde8b7 ("arm64: parse cpu capacity-dmips-mhz from DT")
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
-----BEGIN PGP SIGNATURE-----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=rm2F
-----END PGP SIGNATURE-----
Merge tag 'drm-fixes-for-v4.10-rc6-part-two' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"This is the main request for rc6, since really the one earlier was the
rc5 one :-)
The main thing are the nouveau specific race fixes for the connector
locking bug we fixed in -next and reverted here as it has quite large
prereqs. These two fixes should solve the problem at that level and we
can fix it properly in 4.11
Otherwise i915 has a bunch of changes, one ABI change for GVT related
stuff, some VC4 leak fixes, one core fence fix and some AMD changes,
oh and one ast hang avoidance fix.
Hoping it calms down around now"
* tag 'drm-fixes-for-v4.10-rc6-part-two' of git://people.freedesktop.org/~airlied/linux: (25 commits)
drm/nouveau: Handle fbcon suspend/resume in seperate worker
drm/nouveau: Don't enabling polling twice on runtime resume
drm/ast: Fixed system hanged if disable P2A
Revert "drm/radeon: always apply pci shutdown callbacks"
drm/i915: reinstate call to trace_i915_vma_bind
drm/i915: Move atomic state free from out of fence release
drm/i915: Check for NULL atomic state in intel_crtc_disable_noatomic()
drm/i915: Fix calculation of rotated x and y offsets for planar formats
drm/i915: Don't init hpd polling for vlv and chv from runtime_suspend()
drm/i915: Don't leak edid in intel_crt_detect_ddc()
drm/i915: Release temporary load-detect state upon switching
drm/i915: prevent crash with .disable_display parameter
drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
MAINTAINERS: update new mail list for intel gvt driver
drm/i915/gvt: Fix kmem_cache_create() name
drm/i915/gvt/kvmgt: mdev ABI is available_instances, not available_instance
drm/amdgpu: fix unload driver issue for virtual display
drm/amdgpu: check ring being ready before using
drm/vc4: Return -EINVAL on the overflow checks failing.
drm/vc4: Fix an integer overflow in temporary allocation layout.
...
More fixes than I'd like at this stage, but I think the holidays and
conferences have delayed finding and fixing the stuff a bit. Almost all
of them have Fixes: tags, so it's not just random fixes, we can point
fingers at the commits that broke stuff.
There's an ABI fix to GVT from Alex, before we go on an release a kernel
with the wrong attribute name.
* tag 'drm-intel-fixes-2017-01-26' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: reinstate call to trace_i915_vma_bind
drm/i915: Move atomic state free from out of fence release
drm/i915: Check for NULL atomic state in intel_crtc_disable_noatomic()
drm/i915: Fix calculation of rotated x and y offsets for planar formats
drm/i915: Don't init hpd polling for vlv and chv from runtime_suspend()
drm/i915: Don't leak edid in intel_crt_detect_ddc()
drm/i915: Release temporary load-detect state upon switching
drm/i915: prevent crash with .disable_display parameter
drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
MAINTAINERS: update new mail list for intel gvt driver
drm/i915/gvt: Fix kmem_cache_create() name
drm/i915/gvt/kvmgt: mdev ABI is available_instances, not available_instance
drm/i915/gvt: Fix relocation of shadow bb
drm/i915/gvt: Enable the shadow batch buffer
- Revert a recent change that added an ACPI video blacklist entry
for HP Pavilion dv6 as it turned to introduce backlight handling
regressions on some systems (Hans de Goede).
- Fix locking in the ACPICA core to avoid deadlocks related to table
loading that were exposed by a recent change in that area (Lv Zheng).
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2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=vPdH
-----END PGP SIGNATURE-----
Merge tag 'acpi-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix two regressions introduced recently, one by reverting the
problematic commit and one by fixing up locking in the ACPICA core.
Specifics:
- Revert a recent change that added an ACPI video blacklist entry for
HP Pavilion dv6 as it turned to introduce backlight handling
regressions on some systems (Hans de Goede).
- Fix locking in the ACPICA core to avoid deadlocks related to table
loading that were exposed by a recent change in that area (Lv
Zheng)"
* tag 'acpi-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI / video: Add force_native quirk for HP Pavilion dv6"
ACPICA: Tables: Fix hidden logic related to acpi_tb_install_standard_table()
- Revert the recent change that caused suspend-to-idle to be used
as the default suspend method on systems where it is indicated to
be efficient by the ACPI tables, as that turned out to be premature
and introduced suspend regressions on some systems with missing
power management support in device drivers (Rafael Wysocki).
- Fix up the intel_pstate driver to take changes of the global
limits via sysfs correctly when the performance policy is used
which has been broken by a recent change in it (Srinivas Pandruvada).
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2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=YF+u
-----END PGP SIGNATURE-----
Merge tag 'pm-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two regressions introduced recently, one by reverting the
problematic commit and one by fixing up the behavior in an overlooked
case.
Specifics:
- Revert the recent change that caused suspend-to-idle to be used as
the default suspend method on systems where it is indicated to be
efficient by the ACPI tables, as that turned out to be premature
and introduced suspend regressions on some systems with missing
power management support in device drivers (Rafael Wysocki).
- Fix up the intel_pstate driver to take changes of the global limits
via sysfs correctly when the performance policy is used which has
been broken by a recent change in it (Srinivas Pandruvada)"
* tag 'pm-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Fix sysfs limits enforcement for performance policy
Revert "PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0 flag"
Resuming from RPM can happen while already holding
dev->mode_config.mutex. This means we can't actually handle fbcon in
any RPM resume workers, since restoring fbcon requires grabbing
dev->mode_config.mutex again. So move the fbcon suspend/resume code into
it's own worker, and rely on that instead to avoid deadlocking.
This fixes more deadlocks for runtime suspending the GPU on the ThinkPad
W541. Reproduction recipe:
- Get a machine with both optimus and a nvidia card with connectors
attached to it
- Wait for the nvidia GPU to suspend
- Attempt to manually reprobe any of the connectors on the nvidia GPU
using sysfs
- *deadlock*
[airlied: use READ_ONCE to address Hans's comment]
Signed-off-by: Lyude <lyude@redhat.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Kilian Singer <kilian.singer@quantumtechnology.info>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: David Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
As it turns out, on cards that actually have CRTCs on them we're already
calling drm_kms_helper_poll_enable(drm_dev) from
nouveau_display_resume() before we call it in
nouveau_pmops_runtime_resume(). This leads us to accidentally trying to
enable polling twice, which results in a potential deadlock between the
RPM locks and drm_dev->mode_config.mutex if we end up trying to enable
polling the second time while output_poll_execute is running and holding
the mode_config lock. As such, make sure we only enable polling in
nouveau_pmops_runtime_resume() if we need to.
This fixes hangs observed on the ThinkPad W541
Signed-off-by: Lyude <lyude@redhat.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Kilian Singer <kilian.singer@quantumtechnology.info>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: David Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The original ast driver will access some BMC configuration through P2A bridge
that can be disabled since AST2300 and after.
It will cause system hanged if P2A bridge is disabled.
Here is the update to fix it.
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
slow memory leak fix.
-----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEE/JuuFDWp9/ZkuCBXtdYpNtH8nugFAliGm/wACgkQtdYpNtH8
nuiZ6w/+KZBAJnxJvtc/vgOGuFaao/fgkAU1A62ADKZH6+6MKwajmm3r4UuzqolQ
Hv7SFkZpbfpovvoWnLgjoQCT/IS6VRyfs+C46mUhgRvsQh0OlrDPEd5EVTIqo0or
VsujheLNwBcP6Pv6KXIPa4lxSkG1HzZTw/yUdgDRYC0Wr++hy1skSn3HB+G0sjid
J9tFz3JiB01zyDL/wWAzt17/ERzLyIbx2kawNbVf+VJEuhFJlbsGg4CW/eKp/0hR
9mU0JN54l7cN4i130aaqI+KuVBKEPUpRb1PvHGPkAa6+nH9mo4N/GYroPWzJqigJ
W4Pb4FniKhtiI8ZZ0+sPRIsUyR3K3All1efLtRQ9zEjJE4DFYL5Sscam9IWFpN/C
e3cf487K0Fd1+YXHEn8rSb2xJj+wmAGbNuqSScB27AqWH9L5XN/mETsgSkeGaGaA
BNv8+Z/Il226BUaDRbAkcCB+C4v77W/t0c5ngcdVc0UQV8ZuVLoK9tM8hqGEcQNP
T0ut54B1VGGxb0lnaqo4j2iem+c+bEvO1XV5E93uh1HCo0IQAByt64/uVoSzfVxl
pTUhXQZvPV8RqcMmCxlPzbyoUSoPZEASNqEv8RhaqrgR5+1UgdKF3vBHZy435OVL
svVu3yfZ1WvX1a1YgoQlL+yRLPQIRWmGcNheqO6vTCyXCrcIitw=
=JDVv
-----END PGP SIGNATURE-----
Merge tag 'drm-vc4-fixes-2017-01-23' of https://github.com/anholt/linux into drm-fixes
This pull request brings in a few little error checking fixes and one
slow memory leak fix.
* tag 'drm-vc4-fixes-2017-01-23' of https://github.com/anholt/linux:
drm/vc4: Return -EINVAL on the overflow checks failing.
drm/vc4: Fix an integer overflow in temporary allocation layout.
drm/vc4: fix a bounds check
drm/vc4: Fix memory leak of the CRTC state.
Just a few small fixes.
* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
Revert "drm/radeon: always apply pci shutdown callbacks"
drm/amdgpu: fix unload driver issue for virtual display
drm/amdgpu: check ring being ready before using
Single fence fix.
* tag 'drm-misc-fixes-2017-01-23' of git://anongit.freedesktop.org/git/drm-misc:
drm/fence: fix memory overwrite when setting out_fence fd
When you snapshot a subvolume containing a subvolume, you get a
placeholder directory where the subvolume would be. These directory
inodes have ->i_ops set to btrfs_dir_ro_inode_operations. Previously,
these i_ops didn't include the xattr operation callbacks. The conversion
to xattr_handlers missed this case, leading to bogus attempts to set
xattrs on these inodes. This manifested itself as failures when running
delayed inodes.
To fix this, clear IOP_XATTR in ->i_opflags on these inodes.
Fixes: 6c6ef9f26e ("xattr: Stop calling {get,set,remove}xattr inode operations")
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Reported-by: Chris Murphy <lists@colorremedies.com>
Tested-by: Chris Murphy <lists@colorremedies.com>
Cc: <stable@vger.kernel.org> # 4.9.x
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
As Jeff explained in c2951f32d3 ("btrfs: remove old tree_root dirent
processing in btrfs_real_readdir()"), supporting this old format is no
longer necessary since the Btrfs magic number has been updated since we
changed to the current format. There are other places where we still
handle this old format, but since this is part of a fix that is going to
stable, I'm only removing this one for now.
Cc: <stable@vger.kernel.org> # 4.9.x
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
"swiotlb buffer is full" errors occur after repeated initialisation of a
device - f.e. suspend/resume or ip link set up/down. This is because memory
mapped using dma_map_single() in ravb_ring_format() and ravb_start_xmit()
is not released. Resolve this problem by unmapping descriptors when
freeing rings.
Fixes: c156633f13 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[simon: reworked]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
