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Sync events are sent by sparse_keymap_report_entry for normal KEY_*
events, and are generated by several drivers after generating
SW_* events, so sparse_keymap_report_entry should do the same.
Without the sync, events are accumulated in the kernel.
Currently, no driver uses sparse-keymap for SW_* events, but
it is required for the intel-vbtn platform driver to generate
SW_TABLET_MODE events.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If INPUT_PROP_DIRECT is set, userspace doesn't have to fall back to old
ways of identifying touchscreen devices. Let's add it.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull arch/tile fixes from Chris Metcalf:
"Two one-line bug fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile: Implement ->set_state_oneshot_stopped()
tile: pass machine size to sparse
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One minor fix in the error leg of the qla2xxx driver (it oopses the
system if we get an error trying to start the internal kernel thread).
The fix is minor because the problem isn't often encountered in the
field (although it can be induced by inserting the module in a low
memory environment)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix oops in qla2x00_probe_one error path
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The pointer dev is assigned but never read, hence it is redundant
and can be removed. Cleans up clang warning:
drivers/spi/spi-sh-msiof.c:1198:2: warning: Value stored to 'dev'
is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The pointer sci is assigned but never read, hence it is redundant
and can be removed. Cleans up clang warning:
drivers/spi/spi-s3c64xx.c:791:2: warning: Value stored to 'sci' is
never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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set_state_oneshot_stopped() is called by the clkevt core, when the
next event is required at an expiry time of 'KTIME_MAX'. This normally
happens with NO_HZ_{IDLE|FULL} in both LOWRES/HIGHRES modes.
This patch makes the clockevent device to stop on such an event, to
avoid spurious interrupts, as explained by: commit 8fff52fd5093
("clockevents: Introduce CLOCK_EVT_STATE_ONESHOT_STOPPED state").
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 4.14.
This is bigger than I like to send at rc7, but that's at least partly
because I didn't send any fixes last week. If it wasn't for the IMC
driver, which is new and getting heavy testing, the diffstat would
look a bit better. I've also added ftrace on big endian to my test
suite, so we shouldn't break that again in future.
- A fix to the handling of misaligned paste instructions (P9 only),
where a change to a #define has caused the check for the
instruction to always fail.
- The preempt handling was unbalanced in the radix THP flush (P9
only). Though we don't generally use preempt we want to keep it
working as much as possible.
- Two fixes for IMC (P9 only), one when booting with restricted
number of CPUs and one in the error handling when initialisation
fails due to firmware etc.
- A revert to fix function_graph on big endian machines, and then a
rework of the reverted patch to fix kprobes blacklist handling on
big endian machines.
Thanks to: Anju T Sudhakar, Guilherme G. Piccoli, Madhavan Srinivasan,
Naveen N. Rao, Nicholas Piggin, Paul Mackerras"
* tag 'powerpc-4.14-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/perf: Fix core-imc hotplug callback failure during imc initialization
powerpc/kprobes: Dereference function pointers only if the address does not belong to kernel text
Revert "powerpc64/elfv1: Only dereference function descriptor for non-text symbols"
powerpc/64s/radix: Fix preempt imbalance in TLB flush
powerpc: Fix check for copy/paste instructions in alignment handler
powerpc/perf: Fix IMC allocation routine
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"Fix dw_mmc request timeout issues"
* tag 'mmc-v4.14-rc4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: dw_mmc: Fix the DTO timeout calculation
mmc: dw_mmc: Add locking to the CTO timer
mmc: dw_mmc: Fix the CTO timeout calculation
mmc: dw_mmc: cancel the CTO timer after a voltage switch
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
- one nouveau regression fix
- some amdgpu fixes for stable to fix hangs on some harvested Polaris
GPUs
- a set of KASAN and regression fixes for i915, their CI system seems
to be working pretty well now.
* tag 'drm-fixes-for-v4.14-rc8' of git://people.freedesktop.org/~airlied/linux:
drm/amdgpu: allow harvesting check for Polaris VCE
drm/amdgpu: return -ENOENT from uvd 6.0 early init for harvesting
drm/i915: Check incoming alignment for unfenced buffers (on i915gm)
drm/nouveau/kms/nv50: use the correct state for base channel notifier setup
drm/i915: Hold rcu_read_lock when iterating over the radixtree (vma idr)
drm/i915: Hold rcu_read_lock when iterating over the radixtree (objects)
drm/i915/edp: read edp display control registers unconditionally
drm/i915: Do not rely on wm preservation for ILK watermarks
drm/i915: Cancel the modeset retry work during modeset cleanup
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Pull networking fixes from David Miller:
"Hopefully this is the last batch of networking fixes for 4.14
Fingers crossed...
1) Fix stmmac to use the proper sized OF property read, from Bhadram
Varka.
2) Fix use after free in net scheduler tc action code, from Cong
Wang.
3) Fix SKB control block mangling in tcp_make_synack().
4) Use proper locking in fib_dump_info(), from Florian Westphal.
5) Fix IPG encodings in systemport driver, from Florian Fainelli.
6) Fix division by zero in NV TCP congestion control module, from
Konstantin Khlebnikov.
7) Fix use after free in nf_reject_ipv4, from Tejaswi Tanikella"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net: systemport: Correct IPG length settings
tcp: do not mangle skb->cb[] in tcp_make_synack()
fib: fib_dump_info can no longer use __in_dev_get_rtnl
stmmac: use of_property_read_u32 instead of read_u8
net_sched: hold netns refcnt for each action
net_sched: acquire RTNL in tc_action_net_exit()
net: vrf: correct FRA_L3MDEV encode type
tcp_nv: fix division by zero in tcpnv_acked()
netfilter: nf_reject_ipv4: Fix use-after-free in send_reset
netfilter: nft_set_hash: disable fast_ops for 2-len keys
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Merge misc fixes from Andrew Morton:
"7 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm, swap: fix race between swap count continuation operations
mm/huge_memory.c: deposit page table when copying a PMD migration entry
initramfs: fix initramfs rebuilds w/ compression after disabling
fs/hugetlbfs/inode.c: fix hwpoison reserve accounting
ocfs2: fstrim: Fix start offset of first cluster group during fstrim
mm, /proc/pid/pagemap: fix soft dirty marking for PMD migration entry
userfaultfd: hugetlbfs: prevent UFFDIO_COPY to fill beyond the end of i_size
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MIPS will soon not be a part of Imagination Technologies, and as such
many @imgtec.com email addresses will no longer be valid. This patch
updates the addresses for those who:
- Have 10 or more patches in mainline authored using an @imgtec.com
email address, or any patches dated within the past year.
- Are still with Imagination but leaving as part of the MIPS business
unit, as determined from an internal email address list.
- Haven't already updated their email address (ie. JamesH) or expressed
a desire to be excluded (ie. Maciej).
- Acked v2 or earlier of this patch, which leaves Deng-Cheng, Matt &
myself.
New addresses are of the form firstname.lastname@mips.com, and all
verified against an internal email address list. An entry is added to
.mailmap for each person such that get_maintainer.pl will report the new
addresses rather than @imgtec.com addresses which will soon be dead.
Instances of the affected addresses throughout the tree are then
mechanically replaced with the new @mips.com address.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@mips.com>
Acked-by: Dengcheng Zhu <dengcheng.zhu@mips.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Matt Redfearn <matt.redfearn@mips.com>
Acked-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: trivial@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 890da9cf0983 (Revert "x86: do not use cpufreq_quick_get() for
/proc/cpuinfo "cpu MHz"") is not sufficient to restore the previous
behavior of "cpu MHz" in /proc/cpuinfo on x86 due to some changes
made after the commit it has reverted.
To address this, make the code in question use arch_freq_get_on_cpu()
which also is used by cpufreq for reporting the current frequency of
CPUs and since that function doesn't really depend on cpufreq in any
way, drop the CONFIG_CPU_FREQ dependency for the object file
containing it.
Also refactor arch_freq_get_on_cpu() somewhat to avoid IPIs and
return cached values right away if it is called very often over a
short time (to prevent user space from triggering IPI storms through
it).
Fixes: 890da9cf0983 (Revert "x86: do not use cpufreq_quick_get() for /proc/cpuinfo "cpu MHz"")
Cc: stable@kernel.org # 4.13 - together with 890da9cf0983
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'cpupower frequency-info -ln' returns kHz values on systems with MHz range
minimum CPU frequency range. For example, on a 800MHz to 4.20GHz system
the command returns
hardware limits: 800000 MHz - 4.200000 GHz
The code that causes this error can be removed. The next else if clause
will handle the output correctly such that
hardware limits: 800.000 MHz - 4.200000 GHz
is displayed correctly.
[v2]: Remove two lines instead of fixing broken code.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Thomas Renninger <trenn@suse.com>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Reviewed-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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The needed headroom that we ask the stack to reserve for us in TX
skbs is larger than the headroom available in RX frames, which
leads to skb reallocations in forwarding scenarios involving two
DPNI interfaces.
Configure the hardware to reserve some extra space in the RX
frame headroom to avoid this situation. The value is chosen based
on the Tx frame data offset, the Rx buffer alignment value and the
netdevice required headroom.
The network stack will take care to reserve space for HH_DATA_MOD when
building the skb, so there's no need to account for it in the netdevice
needed headroom.
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The WRIOP hardware block v1.0.0 (found on LS2080A board)
requires data in RX buffers to be aligned to 256B, but
newer revisions (e.g. on LS2088A, LS1088A) only require
64B alignment.
Check WRIOP version and decide at runtime which alignment
requirement to configure for ingress buffers.
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When configuring the Tx buffer layout, the software annotation size is
mentioned, and MC accounts for it when configuring the frame
tx_data_offset. No need to handle it in the driver as well.
This results in 64B less memory allocated per frame.
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since setup_dpni() became a bit too long, move the buffer layout
configuration to a separate function.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up goto labels in a couple of functions, by
removing/renaming redundant ones.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A caller should never care about a debugfs error return value, and it
should never abort its normal operation if something "odd" goes on. Fix
up the unisys init code to not care if the root debugfs directory for
the subsystem is created or not, as no place it is used will matter.
Cc: David Kershner <david.kershner@unisys.com>
Cc: Tim Sell <Timothy.Sell@unisys.com>
Cc: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Cc: David Binder <david.binder@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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One page may store a set of entries of the sis->swap_map
(swap_info_struct->swap_map) in multiple swap clusters.
If some of the entries has sis->swap_map[offset] > SWAP_MAP_MAX,
multiple pages will be used to store the set of entries of the
sis->swap_map. And the pages are linked with page->lru. This is called
swap count continuation. To access the pages which store the set of
entries of the sis->swap_map simultaneously, previously, sis->lock is
used. But to improve the scalability of __swap_duplicate(), swap
cluster lock may be used in swap_count_continued() now. This may race
with add_swap_count_continuation() which operates on a nearby swap
cluster, in which the sis->swap_map entries are stored in the same page.
The race can cause wrong swap count in practice, thus cause unfreeable
swap entries or software lockup, etc.
To fix the race, a new spin lock called cont_lock is added to struct
swap_info_struct to protect the swap count continuation page list. This
is a lock at the swap device level, so the scalability isn't very well.
But it is still much better than the original sis->lock, because it is
only acquired/released when swap count continuation is used. Which is
considered rare in practice. If it turns out that the scalability
becomes an issue for some workloads, we can split the lock into some
more fine grained locks.
Link: http://lkml.kernel.org/r/20171017081320.28133-1-ying.huang@intel.com
Fixes: 235b62176712 ("mm/swap: add cluster lock")
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Shaohua Li <shli@kernel.org>
Cc: Tim Chen <tim.c.chen@intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Aaron Lu <aaron.lu@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org> [4.11+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We need to deposit pre-allocated PTE page table when a PMD migration
entry is copied in copy_huge_pmd(). Otherwise, we will leak the
pre-allocated page and cause a NULL pointer dereference later in
zap_huge_pmd().
The missing counters during PMD migration entry copy process are added
as well.
The bug report is here: https://lkml.org/lkml/2017/10/29/214
Link: http://lkml.kernel.org/r/20171030144636.4836-1-zi.yan@sent.com
Fixes: 84c3fc4e9c563 ("mm: thp: check pmd migration entry in common path")
Signed-off-by: Zi Yan <zi.yan@cs.rutgers.edu>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is a follow-up to commit 57ddfdaa9a72 ("initramfs: fix disabling of
initramfs (and its compression)"). This particular commit fixed the use
case where we build the kernel with an initramfs with no compression,
and then we build the kernel with no initramfs.
Now this still left us with the same case as described here:
http://lkml.kernel.org/r/20170521033337.6197-1-f.fainelli@gmail.com
not working with initramfs compression. This can be seen by the
following steps/timestamps:
https://www.spinics.net/lists/kernel/msg2598153.html
.initramfs_data.cpio.gz.cmd is correct:
cmd_usr/initramfs_data.cpio.gz := /bin/bash
./scripts/gen_initramfs_list.sh -o usr/initramfs_data.cpio.gz -u 1000 -g 1000 /home/fainelli/work/uclinux-rootfs/romfs /home/fainelli/work/uclinux-rootfs/misc/initramfs.dev
and was generated the first time we did generate the gzip initramfs, so
the command has not changed, nor its arguments, so we just don't call
it, no initramfs cpio is re-generated as a consequence.
The fix for this problem is just to properly keep track of the
.initramfs_cpio_data.d file by suffixing it with the compression
extension. This takes care of properly tracking dependencies such that
the initramfs get (re)generated any time files are added/deleted etc.
Link: http://lkml.kernel.org/r/20170930033936.6722-1-f.fainelli@gmail.com
Fixes: db2aa7fd15e8 ("initramfs: allow again choice of the embedded initramfs compression algorithm")
Fixes: 9e3596b0c653 ("kbuild: initramfs cleanup, set target from Kconfig")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: "Francisco Blas Izquierdo Riera (klondike)" <klondike@xiscosoft.net>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Calling madvise(MADV_HWPOISON) on a hugetlbfs page will result in bad
(negative) reserved huge page counts. This may not happen immediately,
but may happen later when the underlying file is removed or filesystem
unmounted. For example:
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
HugePages_Total: 1
HugePages_Free: 0
HugePages_Rsvd: 18446744073709551615
HugePages_Surp: 0
Hugepagesize: 2048 kB
In routine hugetlbfs_error_remove_page(), hugetlb_fix_reserve_counts is
called after remove_huge_page. hugetlb_fix_reserve_counts is designed
to only be called/used only if a failure is returned from
hugetlb_unreserve_pages. Therefore, call hugetlb_unreserve_pages as
required and only call hugetlb_fix_reserve_counts in the unlikely event
that hugetlb_unreserve_pages returns an error.
Link: http://lkml.kernel.org/r/20171019230007.17043-2-mike.kravetz@oracle.com
Fixes: 78bb920344b8 ("mm: hwpoison: dissolve in-use hugepage in unrecoverable memory error")
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The first cluster group descriptor is not stored at the start of the
group but at an offset from the start. We need to take this into
account while doing fstrim on the first cluster group. Otherwise we
will wrongly start fstrim a few blocks after the desired start block and
the range can cross over into the next cluster group and zero out the
group descriptor there. This can cause filesytem corruption that cannot
be fixed by fsck.
Link: http://lkml.kernel.org/r/1507835579-7308-1-git-send-email-ashish.samant@oracle.com
Signed-off-by: Ashish Samant <ashish.samant@oracle.com>
Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When the pagetable is walked in the implementation of /proc/<pid>/pagemap,
pmd_soft_dirty() is used for both the PMD huge page map and the PMD
migration entries. That is wrong, pmd_swp_soft_dirty() should be used
for the PMD migration entries instead because the different page table
entry flag is used.
As a result, /proc/pid/pagemap may report incorrect soft dirty information
for PMD migration entries.
Link: http://lkml.kernel.org/r/20171017081818.31795-1-ying.huang@intel.com
Fixes: 84c3fc4e9c56 ("mm: thp: check pmd migration entry in common path")
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: Daniel Colascione <dancol@google.com>
Cc: Zi Yan <zi.yan@cs.rutgers.edu>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This oops:
kernel BUG at fs/hugetlbfs/inode.c:484!
RIP: remove_inode_hugepages+0x3d0/0x410
Call Trace:
hugetlbfs_setattr+0xd9/0x130
notify_change+0x292/0x410
do_truncate+0x65/0xa0
do_sys_ftruncate.constprop.3+0x11a/0x180
SyS_ftruncate+0xe/0x10
tracesys+0xd9/0xde
was caused by the lack of i_size check in hugetlb_mcopy_atomic_pte.
mmap() can still succeed beyond the end of the i_size after vmtruncate
zapped vmas in those ranges, but the faults must not succeed, and that
includes UFFDIO_COPY.
We could differentiate the retval to userland to represent a SIGBUS like
a page fault would do (vs SIGSEGV), but it doesn't seem very useful and
we'd need to pick a random retval as there's no meaningful syscall
retval that would differentiate from SIGSEGV and SIGBUS, there's just
-EFAULT.
Link: http://lkml.kernel.org/r/20171016223914.2421-2-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
- Beautify the 'kcmp' and 'prctl' syscall arguments in 'perf trace'
(Arnaldo Carvalho de Melo)
- Implement a way to print formatted output to per-event files in 'perf script'
to facilitate generate flamegraphs, elliminating the need to write scripts to
do that separation (yuzhoujian, Arnaldo Carvalho de Melo)
Make 'perf stat --per-thread' update shadow stats to show metrics (Jiri Olsa)
- Fix double mapping al->addr in callchain processing for children without self
period (Namhyung Kim)
- Fix memory leak in addr2inlines() when libbfd is not used (Namhyung Kim)
- Show correct function name for srcline of callchains when libbfd is not used
(Namhyung Kim)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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With this field gone, we don't need local variables 'imp' or 'obd'
any more.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the code has been simplified, 'ownlocks' is not
necessary.
The loop which sets it exits with 'lock' having the same value as
'ownlocks', or pointing to the head of the list if ownlocks is NULL.
The current code then tests ownlocks and sets 'lock' to exactly the
value that it currently has.
So discard 'ownlocks'.
Also remove unnecessary initialization of 'lock'.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use list_for_each_entry variants to
avoid the explicit list_entry() calls.
This allows us to use list_for_each_entry_safe_from()
instread of adding a local list-walking macro.
Also improve some comments so that it is more obvious
that the locks are sorted per-owner and that we need
to find the insertion point.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The only value ever passed in LDLM_FL_WAIT_NOREPROC, so assume that
instead of passing it.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'overlaps' is never used, only incremented.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is only ever set to LDLM_FL_WAIT_NOREPROC, so we can remove the arg
and discard any code that is only run when it doesn't have that value.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This arg is used to return an error code, but the returned code is never
looked at. So there is no point returning it.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ldlm_process_flock_lock()
'work_list' is only set to NULL, and is never used.
So discard it.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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it is only ever set to '1', so we can just assume that and remove the code.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly. This performs some refactoring to
remove needless wrapper functions, and adds a pointer back to the desired
adapter.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Shreeya Patel <shreeya.patel23498@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Himanshu Jha <himanshujha199640@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Derek Robson <robsonde@gmail.com>
Cc: Harsha Sharma <harshasharmaiitr@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: devel@driverdev.osuosl.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The PIO2 device is (as far as I know) no longer manufactured. I no longer
have access to the device and this seems unlikely to change. The only
changes to this driver in a long time have been as a result of API changes
else where. Time to remove it...
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patch fixes splat:
r8822be 0000:04:00.0: DMA-API: device driver frees DMA memory with different size
[device address=0x0000000078477000] [map size=4096 bytes] [unmap size=424 bytes]
<snip>
Call Trace:
debug_dma_unmap_page+0xa5/0xb0
? unmap_single+0x2f/0x40
_rtl8822be_send_bcn_or_cmd_packet+0x2c5/0x300 [r8822be]
? _rtl8822be_send_bcn_or_cmd_packet+0x2c5/0x300 [r8822be]
rtl8822b_halmac_cb_write_data_rsvd_page+0x51/0xc0 [r8822be]
_halmac_write_data_rsvd_page+0x22/0x30 [r8822be]
halmac_download_rsvd_page_88xx+0xee/0x1f0 [r8822be]
halmac_dlfw_to_mem_88xx+0x80/0x120 [r8822be]
halmac_download_firmware_88xx.part.47+0x477/0x600 [r8822be]
halmac_download_firmware_88xx+0x32/0x40 [r8822be]
rtl_halmac_dlfw+0x70/0x120 [r8822be]
rtl_halmac_init_hal+0x5f/0x1b0 [r8822be]
rtl8822be_hw_init+0x8a2/0x1040 [r8822be]
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The IV buffer used during CCM operations is used twice, during both the
hashing step and the ciphering step.
When using a hardware accelerator that updates the contents of the IV
buffer at the end of ciphering operations, the value will be modified.
In the decryption case, the subsequent setup of the hashing algorithm
will interpret the updated IV instead of the original value, which can
lead to out-of-bounds writes.
Reuse the idata buffer, only used in the hashing step, to preserve the
IV's value during the ciphering step in the decryption case.
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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struct sha1_ctx_mgr allocated in sha1_mb_mod_init() via kzalloc()
and later passed in sha1_mb_flusher_mgr_flush_avx2() function where
instructions vmovdqa used to access the struct. vmovdqa requires
16-bytes aligned argument, but nothing guarantees that struct
sha1_ctx_mgr will have that alignment. Unaligned vmovdqa will
generate GP fault.
Fix this by replacing vmovdqa with vmovdqu which doesn't have alignment
requirements.
Fixes: 2249cbb53ead ("crypto: sha-mb - SHA1 multibuffer submit and flush routines for AVX2")
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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struct sha256_ctx_mgr allocated in sha256_mb_mod_init() via kzalloc()
and later passed in sha256_mb_flusher_mgr_flush_avx2() function where
instructions vmovdqa used to access the struct. vmovdqa requires
16-bytes aligned argument, but nothing guarantees that struct
sha256_ctx_mgr will have that alignment. Unaligned vmovdqa will
generate GP fault.
Fix this by replacing vmovdqa with vmovdqu which doesn't have alignment
requirements.
Fixes: a377c6b1876e ("crypto: sha256-mb - submit/flush routines for AVX2")
Reported-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Acked-by: Tim Chen
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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A cleanup patch removed the only user of two local variables:
drivers/staging/rtl8723bs/hal/hal_btcoex.c: In function 'hal_btcoex_Initialize':
drivers/staging/rtl8723bs/hal/hal_btcoex.c:1415:5: error: unused variable 'ret2' [-Werror=unused-variable]
drivers/staging/rtl8723bs/hal/hal_btcoex.c:1414:5: error: unused variable 'ret1' [-Werror=unused-variable]
This removes the declarations as well.
Fixes: 95b3b4238581 ("staging: rtl8723bs: remove ternary operators in assignmet statments")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As of commit 8e1d6c336d74 ("greybus: loopback: drop bus aggregate
calculation"), nothing ever reads from kfifo_ts, so there is no
reason to write to it or even allocate it any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When we do tunnel or beet mode, we pass saddr and daddr from the
template to xfrm_state_find(), this is ok. On transport mode,
we pass the addresses from the flowi, assuming that the IP
addresses (and address family) don't change during transformation.
This assumption is wrong in the IPv4 mapped IPv6 case, packet
is IPv4 and template is IPv6. Fix this by using the addresses
from the template unconditionally.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix checkpatch.pl error:
ERROR: space prohibited before open square bracket '['.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This removes an unused variable to silence the associated build warning.
Fixes: f8af6a323368 ("staging: rtlwifi: Convert timers to use timer_setup()")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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