Commit Graph

869564 Commits

Author SHA1 Message Date
Waiman Long
9adeaa2269 mm, slab: move memcg_cache_params structure to mm/slab.h
The memcg_cache_params structure is only embedded into the kmem_cache of
slab and slub allocators as defined in slab_def.h and slub_def.h and used
internally by mm code.  There is no needed to expose it in a public
header.  So move it from include/linux/slab.h to mm/slab.h.  It is just a
refactoring patch with no code change.

In fact both the slub_def.h and slab_def.h should be moved into the mm
directory as well, but that will probably cause many merge conflicts.

Link: http://lkml.kernel.org/r/20190718180827.18758-1-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Waiman Long
04f768a39d mm, slab: extend slab/shrink to shrink all memcg caches
Currently, a value of '1" is written to /sys/kernel/slab/<slab>/shrink
file to shrink the slab by flushing out all the per-cpu slabs and free
slabs in partial lists.  This can be useful to squeeze out a bit more
memory under extreme condition as well as making the active object counts
in /proc/slabinfo more accurate.

This usually applies only to the root caches, as the SLUB_MEMCG_SYSFS_ON
option is usually not enabled and "slub_memcg_sysfs=1" not set.  Even if
memcg sysfs is turned on, it is too cumbersome and impractical to manage
all those per-memcg sysfs files in a real production system.

So there is no practical way to shrink memcg caches.  Fix this by enabling
a proper write to the shrink sysfs file of the root cache to scan all the
available memcg caches and shrink them as well.  For a non-root memcg
cache (when SLUB_MEMCG_SYSFS_ON or slub_memcg_sysfs is on), only that
cache will be shrunk when written.

On a 2-socket 64-core 256-thread arm64 system with 64k page after
a parallel kernel build, the the amount of memory occupied by slabs
before shrinking slabs were:

 # grep task_struct /proc/slabinfo
 task_struct        53137  53192   4288   61    4 : tunables    0    0
 0 : slabdata    872    872      0
 # grep "^S[lRU]" /proc/meminfo
 Slab:            3936832 kB
 SReclaimable:     399104 kB
 SUnreclaim:      3537728 kB

After shrinking slabs (by echoing "1" to all shrink files):

 # grep "^S[lRU]" /proc/meminfo
 Slab:            1356288 kB
 SReclaimable:     263296 kB
 SUnreclaim:      1092992 kB
 # grep task_struct /proc/slabinfo
 task_struct         2764   6832   4288   61    4 : tunables    0    0
 0 : slabdata    112    112      0

Link: http://lkml.kernel.org/r/20190723151445.7385-1-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Colin Ian King
1c3ce5417b ocfs2: fix spelling mistake "ambigous" -> "ambiguous"
There is a spelling mistake in a mlog_bug_on_msg message. Fix it.

Link: http://lkml.kernel.org/r/831bdff4-064e-038b-f45d-c4d265cbff1e@linux.alibaba.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Changwei Ge
d7283b39db ocfs2: checkpoint appending truncate log transaction before flushing
Appending truncate log(TA) and and flushing truncate log(TF) are two
separated transactions.  They can be both committed but not checkpointed.
If crash occurs then, both transaction will be replayed with several
already released to global bitmap clusters.  Then truncate log will be
replayed resulting in cluster double free.

To reproduce this issue, just crash the host while punching hole to files.

Signed-off-by: Changwei Ge <gechangwei@live.cn>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Changwei Ge
0a3775e4f8 ocfs2: wait for recovering done after direct unlock request
There is a scenario causing ocfs2 umount hang when multiple hosts are
rebooting at the same time.

NODE1                           NODE2               NODE3
send unlock requset to NODE2
                                dies
                                                    become recovery master
                                                    recover NODE2
find NODE2 dead
mark resource RECOVERING
directly remove lock from grant list
calculate usage but RECOVERING marked
**miss the window of purging
clear RECOVERING

To reproduce this issue, crash a host and then umount ocfs2
from another node.

To solve this, just let unlock progress wait for recovery done.

Link: http://lkml.kernel.org/r/1550124866-20367-1-git-send-email-gechangwei@live.cn
Signed-off-by: Changwei Ge <gechangwei@live.cn>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Markus Elfring
a89bd89fae ocfs2: delete unnecessary checks before brelse()
brelse() tests whether its argument is NULL and then returns immediately.
Thus the tests around the shown calls are not needed.

This issue was detected by using the Coccinelle software.

Link: http://lkml.kernel.org/r/55cde320-394b-f985-56ce-1a2abea782aa@web.de
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
zhengbin
77461ba1d1 fs/ocfs2/dir.c: remove set but not used variables
Fixes gcc '-Wunused-but-set-variable' warning:

fs/ocfs2/dir.c: In function ocfs2_dx_dir_transfer_leaf:
fs/ocfs2/dir.c:3653:42: warning: variable new_list set but not used [-Wunused-but-set-variable]

Link: http://lkml.kernel.org/r/1566522588-63786-4-git-send-email-joseph.qi@linux.alibaba.com
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Changwei Ge <chge@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
zhengbin
236dcc2ae4 fs/ocfs2/file.c: remove set but not used variables
Fixes gcc '-Wunused-but-set-variable' warning:

fs/ocfs2/file.c: In function ocfs2_prepare_inode_for_write:
fs/ocfs2/file.c:2143:9: warning: variable end set but not used [-Wunused-but-set-variable]

Link: http://lkml.kernel.org/r/1566522588-63786-3-git-send-email-joseph.qi@linux.alibaba.com
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Changwei Ge <chge@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
zhengbin
225dcadf8e fs/ocfs2/namei.c: remove set but not used variables
Fixes gcc '-Wunused-but-set-variable' warning:

fs/ocfs2/namei.c: In function ocfs2_create_inode_in_orphan:
fs/ocfs2/namei.c:2503:23: warning: variable di set but not used [-Wunused-but-set-variable]

Link: http://lkml.kernel.org/r/1566522588-63786-2-git-send-email-joseph.qi@linux.alibaba.com
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Changwei Ge <chge@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Guozhonghua
bf5a526479 ocfs2: remove unused ocfs2_orphan_scan_exit() declaration
ocfs2_orphan_scan_exit() is declared but not implemented.  Also perform a
minor cleanup in ocfs2_link_credits()

Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA4014FC208AC@H3CMLB12-EX.srv.huawei-3com.com
Signed-off-by: guozhonghua <guozhonghua@h3c.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Guozhonghua
3dd21cdbef ocfs2: remove unused ocfs2_calc_tree_trunc_credits()
ocfs2_calc_tree_trunc_credits() is not called anywhere.

Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA4014FC2050F@H3CMLB12-EX.srv.huawei-3com.com
Signed-off-by: guozhonghua <guozhonghua@h3c.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Greg Kroah-Hartman
5e7a3ed9f1 ocfs2: further debugfs cleanups
There is no need to check return value of debugfs_create functions, but
the last sweep through ocfs missed a number of places where this was
happening.  There is also no need to save the individual dentries for the
debugfs files, as everything is can just be removed at once when the
directory is removed.

By getting rid of the file dentries for the debugfs entries, a bit of
local memory can be saved as well.

[colin.king@canonical.com: ensure ret is set to zero before returning]
  Link: http://lkml.kernel.org/r/20190807121929.28918-1-colin.king@canonical.com
Link: http://lkml.kernel.org/r/20190731132119.GA12603@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jia Guo <guojia12@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Joseph Qi
963abb9aeb jbd2: remove jbd2_journal_inode_add_[write|wait]
Since ext4/ocfs2 are using jbd2_inode dirty range scoping APIs now,
jbd2_journal_inode_add_[write|wait] are not used any more, remove them.

Link: http://lkml.kernel.org/r/1562977611-8412-2-git-send-email-joseph.qi@linux.alibaba.com
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Ross Zwisler <zwisler@google.com>
Acked-by: Changwei Ge <chge@linux.alibaba.com>
Cc: Gang He <ghe@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Joseph Qi
bbd0f32721 ocfs2: use jbd2_inode dirty range scoping
6ba0e7dc64 ("jbd2: introduce jbd2_inode dirty range scoping") allow us
scoping each of the inode dirty ranges associated with a given
transaction, and ext4 already does this way.

Now let's also use the newly introduced jbd2_inode dirty range scoping to
prevent us from waiting forever when trying to complete a journal
transaction in ocfs2.

Link: http://lkml.kernel.org/r/1562977611-8412-1-git-send-email-joseph.qi@linux.alibaba.com
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Ross Zwisler <zwisler@google.com>
Reviewed-by: Changwei Ge <chge@linux.alibaba.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Greg Thelen
6279eb3dd7 kbuild: clean compressed initramfs image
Since 9e3596b0c6 ("kbuild: initramfs cleanup, set target from Kconfig")
"make clean" leaves behind compressed initramfs images.  Example:

  $ make defconfig
  $ sed -i 's|CONFIG_INITRAMFS_SOURCE=""|CONFIG_INITRAMFS_SOURCE="/tmp/ir.cpio"|' .config
  $ make olddefconfig
  $ make -s
  $ make -s clean
  $ git clean -ndxf | grep initramfs
  Would remove usr/initramfs_data.cpio.gz

clean rules do not have CONFIG_* context so they do not know which
compression format was used.  Thus they don't know which files to delete.

Tell clean to delete all possible compression formats.

Once patched usr/initramfs_data.cpio.gz and friends are deleted by
"make clean".

Link: http://lkml.kernel.org/r/20190722063251.55541-1-gthelen@google.com
Fixes: 9e3596b0c6 ("kbuild: initramfs cleanup, set target from Kconfig")
Signed-off-by: Greg Thelen <gthelen@google.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:07 -07:00
Vitaly Wool
3f9d2b5766 z3fold: fix retry mechanism in page reclaim
z3fold_page_reclaim()'s retry mechanism is broken: on a second iteration
it will have zhdr from the first one so that zhdr is no longer in line
with struct page.  That leads to crashes when the system is stressed.

Fix that by moving zhdr assignment up.

While at it, protect against using already freed handles by using own
local slots structure in z3fold_page_reclaim().

Link: http://lkml.kernel.org/r/20190908162919.830388dc7404d1e2c80f4095@gmail.com
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Reported-by: Markus Linnala <markus.linnala@gmail.com>
Reported-by: Chris Murphy <bugzilla@colorremedies.com>
Reported-by: Agustin Dall'Alba <agustin@dallalba.com.ar>
Cc: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Henry Burns <henrywolfeburns@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:06 -07:00
Arnd Bergmann
710ec38b0f mm: add dummy can_do_mlock() helper
On kernels without CONFIG_MMU, we get a link error for the siw driver:

drivers/infiniband/sw/siw/siw_mem.o: In function `siw_umem_get':
siw_mem.c:(.text+0x4c8): undefined reference to `can_do_mlock'

This is probably not the only driver that needs the function and could
otherwise build correctly without CONFIG_MMU, so add a dummy variant that
always returns false.

Link: http://lkml.kernel.org/r/20190909204201.931830-1-arnd@arndb.de
Fixes: 2251334dca ("rdma/siw: application buffer management")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Bernard Metzler <bmt@zurich.ibm.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "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>
2019-09-24 15:54:06 -07:00
Vitaly Wool
6e73fd25e2 Revert "mm/z3fold.c: fix race between migration and destruction"
With the original commit applied, z3fold_zpool_destroy() may get blocked
on wait_event() for indefinite time.  Revert this commit for the time
being to get rid of this problem since the issue the original commit
addresses is less severe.

Link: http://lkml.kernel.org/r/20190910123142.7a9c8d2de4d0acbc0977c602@gmail.com
Fixes: d776aaa989 ("mm/z3fold.c: fix race between migration and destruction")
Reported-by: Agustín Dall'Alba <agustin@dallalba.com.ar>
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Vitaly Wool <vitalywool@gmail.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Jonathan Adams <jwadams@google.com>
Cc: Henry Burns <henrywolfeburns@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:06 -07:00
OGAWA Hirofumi
07bfa4415a fat: work around race with userspace's read via blockdev while mounting
If userspace reads the buffer via blockdev while mounting,
sb_getblk()+modify can race with buffer read via blockdev.

For example,

            FS                               userspace
    bh = sb_getblk()
    modify bh->b_data
                                  read
				    ll_rw_block(bh)
				      fill bh->b_data by on-disk data
				      /* lost modified data by FS */
				      set_buffer_uptodate(bh)
    set_buffer_uptodate(bh)

Userspace should not use the blockdev while mounting though, the udev
seems to be already doing this.  Although I think the udev should try to
avoid this, workaround the race by small overhead.

Link: http://lkml.kernel.org/r/87pnk7l3sw.fsf_-_@mail.parknet.co.jp
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reported-by: Jan Stancek <jstancek@redhat.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:06 -07:00
Linus Torvalds
619e17cf75 power supply and reset changes for the v5.4 series
Core:
  * Ensure HWMON devices are registered with valid names
  * Fix device wakeup code
 
 Drivers:
  * bq25890_charger: Add BQ25895 support
  * axp288_fuel_gauge: Add Minix Neo Z83-4 to blacklist
  * sc27xx: improve battery calibration
  * misc. small fixes all over drivers
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Merge tag 'for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Core:
   - Ensure HWMON devices are registered with valid names
   - Fix device wakeup code

  Drivers:
   - bq25890_charger: Add BQ25895 support
   - axp288_fuel_gauge: Add Minix Neo Z83-4 to blacklist
   - sc27xx: improve battery calibration
   - misc small fixes all over drivers"

* tag 'for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (24 commits)
  power: supply: cpcap-charger: Enable vbus boost voltage
  power: supply: sc27xx: Add POWER_SUPPLY_PROP_CALIBRATE attribute
  power: supply: sc27xx: Optimize the battery capacity calibration
  power: supply: sc27xx: Make sure the alarm capacity is larger than 0
  power: supply: sc27xx: Fix the the accuracy issue of coulomb calculation
  power: supply: sc27xx: Fix conditon to enable the FGU interrupt
  power: supply: sc27xx: Add POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN attribute
  power: supply: max77650: add MODULE_ALIAS()
  power: supply: isp1704: remove redundant assignment to variable ret
  power: supply: bq25890_charger: Add the BQ25895 part
  power: supply: sc27xx: Replace devm_add_action() followed by failure action with devm_add_action_or_reset()
  power: supply: sc27xx: Introduce local variable 'struct device *dev'
  power: reset: reboot-mode: Fix author email format
  power: supply: ab8500: remove set but not used variables 'vbup33_vrtcn' and 'bup_vch_range'
  power: supply: max17042_battery: Fix a typo in function names
  power: reset: gpio-restart: Fix typo when gpio reset is not found
  power: supply: Init device wakeup after device_add()
  power: supply: ab8500_charger: Mark expected switch fall-through
  power: supply: sbs-battery: only return health when battery present
  MAINTAINERS: N900: Remove isp1704_charger.h record
  ...
2019-09-22 12:04:59 -07:00
Linus Torvalds
57f1c3caf5 HSI changes for the 5.4 series
* misc. cleanups
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Merge tag 'hsi-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI updates from Sebastian Reichel:
 "Misc cleanups"

* tag 'hsi-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: Remove dev_err() usage after platform_get_irq()
  HSI: ssi_protocol: Mark expected switch fall-throughs
2019-09-22 12:02:21 -07:00
Linus Torvalds
5d4156ac48 firmware: bcm47xx_nvram: _really_ correct size_t printf format
Commit feb4eb060c ("firmware: bcm47xx_nvram: Correct size_t printf
format") was wrong, and changed a printout of 'header.len' - which is an
u32 type - to use '%zu'.

It apparently did pattern matching on the other case, where it printed
out 'nvram_len', which is indeed of type 'size_t'.

Rather than undoing the change, this just makes it use the variable that
the change seemed to expect to be used.

Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Paul Burton <paul.burton@mips.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-22 11:31:15 -07:00
Linus Torvalds
3e4d890a26 modules: make MODULE_IMPORT_NS() work even when modular builds are disabled
It's an unusual configuration, and was apparently never tested, and not
caught in linux-next because of a combination of travels and it making
it into the tree too late.

The fix is to simply move the #define to outside the CONFIG_MODULE
section, since MODULE_INFO() will do the right thing.

Cc: Martijn Coenen <maco@android.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthias Maennich <maennich@google.com>
Cc: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-22 11:15:14 -07:00
Linus Torvalds
9dbd83f665 RTC for 5.4
Subsystem:
  - add debug message when registration fails
 
 New drivers:
  - Amlogic Virtual Wake
  - Freescale FlexTimer Module alarm
 
 Drivers:
  - remove superfluous error messages
  - convert to i2c_new_dummy_device and devm_i2c_new_dummy_device
  - Remove dev_err() usage after platform_get_irq()
  - Set RTC range for: pcf2123, pcf8563, snvs.
  - pcf2127: tamper detection and watchdog support
  - pcf85363: fix regmap issue
  - sun6i: H6 support
  - remove w90x900/nuc900 driver
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Merge tag 'rtc-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Two new drivers and the new pcf2127 feature make the bulk of the
  additions. The rest are the usual fixes and new features.

  Subsystem:
   - add debug message when registration fails

  New drivers:
   - Amlogic Virtual Wake
   - Freescale FlexTimer Module alarm

  Drivers:
   - remove superfluous error messages
   - convert to i2c_new_dummy_device and devm_i2c_new_dummy_device
   - Remove dev_err() usage after platform_get_irq()
   - Set RTC range for: pcf2123, pcf8563, snvs.
   - pcf2127: tamper detection and watchdog support
   - pcf85363: fix regmap issue
   - sun6i: H6 support
   - remove w90x900/nuc900 driver"

* tag 'rtc-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (51 commits)
  rtc: meson: mark PM functions as __maybe_unused
  rtc: sc27xx: Remove clearing SPRD_RTC_POWEROFF_ALM_FLAG flag
  dt-bindings: rtc: ds1307: add rx8130 compatible
  rtc: sun6i: Allow using as wakeup source from suspend
  rtc: pcf8563: let the core handle range offsetting
  rtc: pcf8563: remove useless indirection
  rtc: pcf8563: convert to devm_rtc_allocate_device
  rtc: pcf8563: add Microcrystal RV8564 compatible
  rtc: pcf8563: add Epson RTC8564 compatible
  rtc: s35390a: convert to devm_i2c_new_dummy_device()
  rtc: max77686: convert to devm_i2c_new_dummy_device()
  rtc: pcf85363/pcf85263: fix regmap error in set_time
  rtc: snvs: switch to rtc_time64_to_tm/rtc_tm_to_time64
  rtc: snvs: set range
  rtc: snvs: fix possible race condition
  rtc: pcf2127: bugfix: watchdog build dependency
  rtc: pcf2127: add tamper detection support
  rtc: pcf2127: add watchdog feature support
  rtc: pcf2127: bugfix: read rtc disables watchdog
  rtc: pcf2127: cleanup register and bit defines
  ...
2019-09-22 11:05:43 -07:00
Linus Torvalds
379bb04517 rpmsg updates for v5.4
This contains updates to make the rpmsg sample driver more useful, fixes
 the naming of GLINK devices to avoid naming collisions and a few minor
 bug fixes.  It also updates MAINTAINERS to reflect the move to
 kernel.org.
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Merge tag 'rpmsg-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:
 "This contains updates to make the rpmsg sample driver more useful,
  fixes the naming of GLINK devices to avoid naming collisions and a few
  minor bug fixes. It also updates MAINTAINERS to reflect the move to
  kernel.org"

* tag 'rpmsg-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  rpmsg: glink-smem: Name the edge based on parent remoteproc
  rpmsg: glink: Use struct_size() helper
  rpmsg: virtio_rpmsg_bus: replace "%p" with "%pK"
  MAINTAINERS: rpmsg: fix git tree location
  rpmsg: core: fix comments
  samples/rpmsg: Introduce a module parameter for message count
  samples/rpmsg: Replace print_hex_dump() with print_hex_dump_debug()
2019-09-22 10:58:15 -07:00
Linus Torvalds
28de978ba3 remoteproc updates for v5.4
This exposes the remoteproc's name in sysfs, allows stm32 to enter
 platform standby and provides bug fixes for stm32 and Qualcomm's modem
 remoteproc drivers. Finally it updates MAINTAINERS to reflect the move
 to kernel.org.
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Merge tag 'rproc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This exposes the remoteproc's name in sysfs, allows stm32 to enter
  platform standby and provides bug fixes for stm32 and Qualcomm's modem
  remoteproc drivers. Finally it updates MAINTAINERS to reflect the move
  to kernel.org"

* tag 'rproc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  MAINTAINERS: remoteproc: update git tree location
  remoteproc: Remove dev_err() usage after platform_get_irq()
  remoteproc: stm32: manage the get_irq probe defer case
  remoteproc: stm32: clear MCU PDDS at firmware start
  remoteproc: qcom: q6v5-mss: fixup q6v5_pds_enable error handling
  remoteproc: Add a sysfs interface for name
  remoteproc: qcom: Move glink_ssr notification after stop
2019-09-22 10:55:08 -07:00
Linus Torvalds
8d7ead5c69 soundwire updates for v5.4-rc1
This includes DT support thanks to Srini and more work done by Intel
 (Pierre) on improving cadence and intel support.
 
 Details:
  - Add DT bindings and DT support in core
  - Add debugfs support for soundwire properties
  - Improvements on streaming handling to core
  - Improved handling of Cadence module
  - More updates and improvements to Intel driver
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Merge tag 'soundwire-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire updates from Vinod Koul:
 "This includes DT support thanks to Srini and more work done by Intel
  (Pierre) on improving cadence and intel support.

  Summary:

   - Add DT bindings and DT support in core

   - Add debugfs support for soundwire properties

   - Improvements on streaming handling to core

   - Improved handling of Cadence module

   - More updates and improvements to Intel driver"

* tag 'soundwire-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (30 commits)
  soundwire: stream: make stream name a const pointer
  soundwire: Add compute_params callback
  soundwire: core: add device tree support for slave devices
  dt-bindings: soundwire: add slave bindings
  soundwire: bus: set initial value to port_status
  soundwire: intel: handle disabled links
  soundwire: intel: add debugfs register dump
  soundwire: cadence_master: add debugfs register dump
  soundwire: add debugfs support
  soundwire: intel: remove unused variables
  soundwire: intel: move shutdown() callback and don't export symbol
  soundwire: cadence_master: add kernel parameter to override interrupt mask
  soundwire: intel_init: add kernel module parameter to filter out links
  soundwire: cadence_master: fix divider setting in clock register
  soundwire: cadence_master: make use of mclk_freq property
  soundwire: intel: read mclk_freq property from firmware
  soundwire: add new mclk_freq field for properties
  soundwire: stream: remove unnecessary variable initializations
  soundwire: stream: fix disable sequence
  soundwire: include mod_devicetable.h to avoid compiling warnings
  ...
2019-09-22 10:52:23 -07:00
Linus Torvalds
e070355664 Modules updates for v5.4
Summary of modules changes for the 5.4 merge window:
 
 - Introduce exported symbol namespaces.
 
   This new feature allows subsystem maintainers to partition and
   categorize their exported symbols into explicit namespaces. Module
   authors are now required to import the namespaces they need.
 
   Some of the main motivations of this feature include: allowing kernel
   developers to better manage the export surface, allow subsystem
   maintainers to explicitly state that usage of some exported symbols
   should only be limited to certain users (think: inter-module or
   inter-driver symbols, debugging symbols, etc), as well as more easily
   limiting the availability of namespaced symbols to other parts of the
   kernel. With the module import requirement, it is also easier to spot
   the misuse of exported symbols during patch review. Two new macros are
   introduced: EXPORT_SYMBOL_NS() and EXPORT_SYMBOL_NS_GPL(). The API is
   thoroughly documented in Documentation/kbuild/namespaces.rst.
 
 - Some small code and kbuild cleanups here and there.
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Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull modules updates from Jessica Yu:
 "The main bulk of this pull request introduces a new exported symbol
  namespaces feature. The number of exported symbols is increasingly
  growing with each release (we're at about 31k exports as of 5.3-rc7)
  and we currently have no way of visualizing how these symbols are
  "clustered" or making sense of this huge export surface.

  Namespacing exported symbols allows kernel developers to more
  explicitly partition and categorize exported symbols, as well as more
  easily limiting the availability of namespaced symbols to other parts
  of the kernel. For starters, we have introduced the USB_STORAGE
  namespace to demonstrate the API's usage. I have briefly summarized
  the feature and its main motivations in the tag below.

  Summary:

   - Introduce exported symbol namespaces.

     This new feature allows subsystem maintainers to partition and
     categorize their exported symbols into explicit namespaces. Module
     authors are now required to import the namespaces they need.

     Some of the main motivations of this feature include: allowing
     kernel developers to better manage the export surface, allow
     subsystem maintainers to explicitly state that usage of some
     exported symbols should only be limited to certain users (think:
     inter-module or inter-driver symbols, debugging symbols, etc), as
     well as more easily limiting the availability of namespaced symbols
     to other parts of the kernel.

     With the module import requirement, it is also easier to spot the
     misuse of exported symbols during patch review.

     Two new macros are introduced: EXPORT_SYMBOL_NS() and
     EXPORT_SYMBOL_NS_GPL(). The API is thoroughly documented in
     Documentation/kbuild/namespaces.rst.

   - Some small code and kbuild cleanups here and there"

* tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  module: Remove leftover '#undef' from export header
  module: remove unneeded casts in cmp_name()
  module: move CONFIG_UNUSED_SYMBOLS to the sub-menu of MODULES
  module: remove redundant 'depends on MODULES'
  module: Fix link failure due to invalid relocation on namespace offset
  usb-storage: export symbols in USB_STORAGE namespace
  usb-storage: remove single-use define for debugging
  docs: Add documentation for Symbol Namespaces
  scripts: Coccinelle script for namespace dependencies.
  modpost: add support for generating namespace dependencies
  export: allow definition default namespaces in Makefiles or sources
  module: add config option MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS
  modpost: add support for symbol namespaces
  module: add support for symbol namespaces.
  export: explicitly align struct kernel_symbol
  module: support reading multiple values per modinfo tag
2019-09-22 10:34:46 -07:00
Linus Torvalds
8808cf8cbc ARM updates for 5.4-rc1:
- fix various clang build and cppcheck issues
 - switch ARM to use new common outgoing-CPU-notification code
 - add some additional explanation about the boot code
 - kbuild "make clean" fixes
 - get rid of another "(____ptrval____)", this time for the VDSO code
 - avoid treating cache maintenance faults as a write
 - add a frame pointer unwinder implementation for clang
 - add EDAC support for Aurora L2 cache
 - improve robustness of adjust_lowmem_bounds() finding the bounds of
   lowmem.
 - add reset control for AMBA primecell devices
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - fix various clang build and cppcheck issues

 - switch ARM to use new common outgoing-CPU-notification code

 - add some additional explanation about the boot code

 - kbuild "make clean" fixes

 - get rid of another "(____ptrval____)", this time for the VDSO code

 - avoid treating cache maintenance faults as a write

 - add a frame pointer unwinder implementation for clang

 - add EDAC support for Aurora L2 cache

 - improve robustness of adjust_lowmem_bounds() finding the bounds of
   lowmem.

 - add reset control for AMBA primecell devices

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (24 commits)
  ARM: 8906/1: drivers/amba: add reset control to amba bus probe
  ARM: 8905/1: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer
  ARM: 8904/1: skip nomap memblocks while finding the lowmem/highmem boundary
  ARM: 8903/1: ensure that usable memory in bank 0 starts from a PMD-aligned address
  ARM: 8891/1: EDAC: armada_xp: Add support for more SoCs
  ARM: 8888/1: EDAC: Add driver for the Marvell Armada XP SDRAM and L2 cache ECC
  ARM: 8892/1: EDAC: Add missing debugfs_create_x32 wrapper
  ARM: 8890/1: l2x0: add marvell,ecc-enable property for aurora
  ARM: 8889/1: dt-bindings: document marvell,ecc-enable binding
  ARM: 8886/1: l2x0: support parity-enable/disable on aurora
  ARM: 8885/1: aurora-l2: add defines for parity and ECC registers
  ARM: 8887/1: aurora-l2: add prefix to MAX_RANGE_SIZE
  ARM: 8902/1: l2c: move cache-aurora-l2.h to asm/hardware
  ARM: 8900/1: UNWINDER_FRAME_POINTER implementation for Clang
  ARM: 8898/1: mm: Don't treat faults reported from cache maintenance as writes
  ARM: 8896/1: VDSO: Don't leak kernel addresses
  ARM: 8895/1: visit mach-* and plat-* directories when cleaning
  ARM: 8894/1: boot: Replace open-coded nop with macro
  ARM: 8893/1: boot: Explain the 8 nops
  ARM: 8876/1: fix O= building with CONFIG_FPE_FASTFPE
  ...
2019-09-22 09:39:09 -07:00
Linus Torvalds
5c6bd5de3c Main MIPS changes for v5.4:
- boot_mem_map is removed, providing a nice cleanup made possible by the
   recent removal of bootmem.
 
 - Some fixes to atomics, in general providing compiler barriers for
   smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs or
   MIPS32 systems using cmpxchg64().
 
 - Conversion to the new generic VDSO infrastructure courtesy of Vincenzo
   Frascino.
 
 - Removal of undefined behavior in set_io_port_base(), fixing the
   behavior of some MIPS kernel configurations when built with recent
   clang versions.
 
 - Initial MIPS32 huge page support, functional on at least Ingenic SoCs.
 
 - pte_special() is now supported for some configurations, allowing among
   other things generic fast GUP to be used.
 
 - Miscellaneous fixes & cleanups.
 
 And platform specific changes:
 
 - Major improvements to Ingenic SoC support from Paul Cercueil, mostly
   enabled by the inclusion of the new TCU (timer-counter unit) drivers
   he's spent a very patient year or so working on. Plus some fixes for
   X1000 SoCs from Zhou Yanjie.
 
 - Netgear R6200 v1 systems are now supported by the bcm47xx platform.
 
 - DT updates for BMIPS, Lantiq & Microsemi Ocelot systems.
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Merge tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Paul Burton:
 "Main MIPS changes:

   - boot_mem_map is removed, providing a nice cleanup made possible by
     the recent removal of bootmem.

   - Some fixes to atomics, in general providing compiler barriers for
     smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs
     or MIPS32 systems using cmpxchg64().

   - Conversion to the new generic VDSO infrastructure courtesy of
     Vincenzo Frascino.

   - Removal of undefined behavior in set_io_port_base(), fixing the
     behavior of some MIPS kernel configurations when built with recent
     clang versions.

   - Initial MIPS32 huge page support, functional on at least Ingenic
     SoCs.

   - pte_special() is now supported for some configurations, allowing
     among other things generic fast GUP to be used.

   - Miscellaneous fixes & cleanups.

  And platform specific changes:

   - Major improvements to Ingenic SoC support from Paul Cercueil,
     mostly enabled by the inclusion of the new TCU (timer-counter unit)
     drivers he's spent a very patient year or so working on. Plus some
     fixes for X1000 SoCs from Zhou Yanjie.

   - Netgear R6200 v1 systems are now supported by the bcm47xx platform.

   - DT updates for BMIPS, Lantiq & Microsemi Ocelot systems"

* tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (89 commits)
  MIPS: Detect bad _PFN_SHIFT values
  MIPS: Disable pte_special() for MIPS32 with RiXi
  MIPS: ralink: deactivate PCI support for SOC_MT7621
  mips: compat: vdso: Use legacy syscalls as fallback
  MIPS: Drop Loongson _CACHE_* definitions
  MIPS: tlbex: Remove cpu_has_local_ebase
  MIPS: tlbex: Simplify r3k check
  MIPS: Select R3k-style TLB in Kconfig
  MIPS: PCI: refactor ioc3 special handling
  mips: remove ioremap_cachable
  mips/atomic: Fix smp_mb__{before,after}_atomic()
  mips/atomic: Fix loongson_llsc_mb() wreckage
  mips/atomic: Fix cmpxchg64 barriers
  MIPS: Octeon: remove duplicated include from dma-octeon.c
  firmware: bcm47xx_nvram: Allow COMPILE_TEST
  firmware: bcm47xx_nvram: Correct size_t printf format
  MIPS: Treat Loongson Extensions as ASEs
  MIPS: Remove dev_err() usage after platform_get_irq()
  MIPS: dts: mscc: describe the PTP ready interrupt
  MIPS: dts: mscc: describe the PTP register range
  ...
2019-09-22 09:30:30 -07:00
Linus Torvalds
f7c3bf8fa7 Changes for gfs2:
- Use asynchronous glocks and timeouts to recover from deadlocks during rename
    and exchange: the lock ordering constraints the vfs uses are not sufficient
    to prevent deadlocks across multiple nodes.
  - Add support for IOMAP_ZERO and use iomap_zero_range to replace gfs2 specific
    code.
  - Various other minor fixes and cleanups.
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Merge tag 'gfs2-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Use asynchronous glocks and timeouts to recover from deadlocks during
   rename and exchange: the lock ordering constraints the vfs uses are
   not sufficient to prevent deadlocks across multiple nodes.

 - Add support for IOMAP_ZERO and use iomap_zero_range to replace gfs2
   specific code.

 - Various other minor fixes and cleanups.

* tag 'gfs2-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: clear buf_in_tr when ending a transaction in sweep_bh_for_rgrps
  gfs2: Improve mmap write vs. truncate consistency
  gfs2: Use async glocks for rename
  gfs2: create function gfs2_glock_update_hold_time
  gfs2: separate holder for rgrps in gfs2_rename
  gfs2: Delete an unnecessary check before brelse()
  gfs2: Minor PAGE_SIZE arithmetic cleanups
  gfs2: Fix recovery slot bumping
  gfs2: Fix possible fs name overflows
  gfs2: untangle the logic in gfs2_drevalidate
  gfs2: Always mark inode dirty in fallocate
  gfs2: Minor gfs2_alloc_inode cleanup
  gfs2: implement gfs2_block_zero_range using iomap_zero_range
  gfs2: Add support for IOMAP_ZERO
  gfs2: gfs2_iomap_begin cleanup
2019-09-21 14:42:59 -07:00
Linus Torvalds
fbc246a12a f2fs-for-5.4-rc1
In this round, we introduced casefolding support in f2fs, and fixed various bugs
 in individual features such as IO alignment, checkpoint=disable, quota, and
 swapfile.
 
 Enhancement:
  - support casefolding w/ enhancement in ext4
  - support fiemap for directory
  - support FS_IO_GET|SET_FSLABEL
 
 Bug fix:
  - fix IO stuck during checkpoint=disable
  - avoid infinite GC loop
  - fix panic/overflow related to IO alignment feature
  - fix livelock in swap file
  - fix discard command leak
  - disallow dio for atomic_write
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Merge tag 'f2fs-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we introduced casefolding support in f2fs, and fixed
  various bugs in individual features such as IO alignment,
  checkpoint=disable, quota, and swapfile.

  Enhancement:
   - support casefolding w/ enhancement in ext4
   - support fiemap for directory
   - support FS_IO_GET|SET_FSLABEL

  Bug fix:
   - fix IO stuck during checkpoint=disable
   - avoid infinite GC loop
   - fix panic/overflow related to IO alignment feature
   - fix livelock in swap file
   - fix discard command leak
   - disallow dio for atomic_write"

* tag 'f2fs-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (51 commits)
  f2fs: add a condition to detect overflow in f2fs_ioc_gc_range()
  f2fs: fix to add missing F2FS_IO_ALIGNED() condition
  f2fs: fix to fallback to buffered IO in IO aligned mode
  f2fs: fix to handle error path correctly in f2fs_map_blocks
  f2fs: fix extent corrupotion during directIO in LFS mode
  f2fs: check all the data segments against all node ones
  f2fs: Add a small clarification to CONFIG_FS_F2FS_FS_SECURITY
  f2fs: fix inode rwsem regression
  f2fs: fix to avoid accessing uninitialized field of inode page in is_alive()
  f2fs: avoid infinite GC loop due to stale atomic files
  f2fs: Fix indefinite loop in f2fs_gc()
  f2fs: convert inline_data in prior to i_size_write
  f2fs: fix error path of f2fs_convert_inline_page()
  f2fs: add missing documents of reserve_root/resuid/resgid
  f2fs: fix flushing node pages when checkpoint is disabled
  f2fs: enhance f2fs_is_checkpoint_ready()'s readability
  f2fs: clean up __bio_alloc()'s parameter
  f2fs: fix wrong error injection path in inc_valid_block_count()
  f2fs: fix to writeout dirty inode during node flush
  f2fs: optimize case-insensitive lookups
  ...
2019-09-21 14:26:33 -07:00
Linus Torvalds
7ce1e15d9a \n
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Merge tag 'for_v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, quota, udf fixes and cleanups from Jan Kara:

 - two small quota fixes (in grace time handling and possible missed
   accounting of preallocated blocks beyond EOF).

 - some ext2 cleanups

 - udf fixes for better compatibility with Windows 10 generated media
   (named streams, write-protection using domain-identifier, placement
   of volume recognition sequence)

 - some udf cleanups

* tag 'for_v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: fix wrong condition in is_quota_modification()
  fs-udf: Delete an unnecessary check before brelse()
  ext2: Delete an unnecessary check before brelse()
  udf: Drop forward function declarations
  udf: Verify domain identifier fields
  udf: augment UDF permissions on new inodes
  udf: Use dynamic debug infrastructure
  udf: reduce leakage of blocks related to named streams
  udf: prevent allocation beyond UDF partition
  quota: fix condition for resetting time limit in do_set_dqblk()
  ext2: code cleanup for ext2_free_blocks()
  ext2: fix block range in ext2_data_block_valid()
  udf: support 2048-byte spacing of VRS descriptors on 4K media
  udf: refactor VRS descriptor identification
2019-09-21 13:53:34 -07:00
Linus Torvalds
70cb0d02b5 Added new ext4 debugging ioctls to allow userspace to get information
about the state of the extent status cache.
 
 Dropped workaround for pre-1970 dates which were encoded incorrectly
 in pre-4.4 kernels.  Since both the kernel correctly generates, and
 e2fsck detects and fixes this issue for the past four years, it'e time
 to drop the workaround.  (Also, it's not like files with dates in the
 distant past were all that common in the first place.)
 
 A lot of miscellaneous bug fixes and cleanups, including some ext4
 Documentation fixes.  Also included are two minor bug fixes in
 fs/unicode.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Added new ext4 debugging ioctls to allow userspace to get information
  about the state of the extent status cache.

  Dropped workaround for pre-1970 dates which were encoded incorrectly
  in pre-4.4 kernels. Since both the kernel correctly generates, and
  e2fsck detects and fixes this issue for the past four years, it'e time
  to drop the workaround. (Also, it's not like files with dates in the
  distant past were all that common in the first place.)

  A lot of miscellaneous bug fixes and cleanups, including some ext4
  Documentation fixes. Also included are two minor bug fixes in
  fs/unicode"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (21 commits)
  unicode: make array 'token' static const, makes object smaller
  unicode: Move static keyword to the front of declarations
  ext4: add missing bigalloc documentation.
  ext4: fix kernel oops caused by spurious casefold flag
  ext4: fix integer overflow when calculating commit interval
  ext4: use percpu_counters for extent_status cache hits/misses
  ext4: fix potential use after free after remounting with noblock_validity
  jbd2: add missing tracepoint for reserved handle
  ext4: fix punch hole for inline_data file systems
  ext4: rework reserved cluster accounting when invalidating pages
  ext4: documentation fixes
  ext4: treat buffers with write errors as containing valid data
  ext4: fix warning inside ext4_convert_unwritten_extents_endio
  ext4: set error return correctly when ext4_htree_store_dirent fails
  ext4: drop legacy pre-1970 encoding workaround
  ext4: add new ioctl EXT4_IOC_GET_ES_CACHE
  ext4: add a new ioctl EXT4_IOC_GETSTATE
  ext4: add a new ioctl EXT4_IOC_CLEAR_ES_CACHE
  jbd2: flush_descriptor(): Do not decrease buffer head's ref count
  ext4: remove unnecessary error check
  ...
2019-09-21 13:37:39 -07:00
Linus Torvalds
104c0d6bc4 This pull request contains the following changes for UBI, UBIFS and JFFS2:
UBI:
 - Be less stupid when placing a fastmap anchor
 - Try harder to get an empty PEB in case of contention
 - Make ubiblock to warn if image is not a multiple of 512
 
 UBIFS:
 - Various fixes in error paths
 
 JFFS2:
 - Various fixes in error paths
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Merge tag 'upstream-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBI, UBIFS and JFFS2 updates from Richard Weinberger:
 "UBI:
   - Be less stupid when placing a fastmap anchor
   - Try harder to get an empty PEB in case of contention
   - Make ubiblock to warn if image is not a multiple of 512

  UBIFS:
   - Various fixes in error paths

  JFFS2:
   - Various fixes in error paths"

* tag 'upstream-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  jffs2: Fix memory leak in jffs2_scan_eraseblock() error path
  jffs2: Remove jffs2_gc_fetch_page and jffs2_gc_release_page
  jffs2: Fix possible null-pointer dereferences in jffs2_add_frag_to_fragtree()
  ubi: block: Warn if volume size is not multiple of 512
  ubifs: Fix memory leak bug in alloc_ubifs_info() error path
  ubifs: Fix memory leak in __ubifs_node_verify_hmac error path
  ubifs: Fix memory leak in read_znode() error path
  ubi: ubi_wl_get_peb: Increase the number of attempts while getting PEB
  ubi: Don't do anchor move within fastmap area
  ubifs: Remove redundant assignment to pointer fname
2019-09-21 11:10:16 -07:00
Linus Torvalds
9dca3432ee This pull request contains the following changes for UML:
- virtio support
 - Fixes for our new time travel mode
 - Various improvements to make lockdep and kasan work better
 - SPDX header updates
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Merge tag 'for-linus-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

Pull UML updates from Richard Weinberger:

 - virtio support

 - fixes for our new time travel mode

 - various improvements to make lockdep and kasan work better

 - SPDX header updates

* tag 'for-linus-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (25 commits)
  um: irq: Fix LAST_IRQ usage in init_IRQ()
  um: Add SPDX headers for files in arch/um/include
  um: Add SPDX headers for files in arch/um/os-Linux
  um: Add SPDX headers to files in arch/um/kernel/
  um: Add SPDX headers for files in arch/um/drivers
  um: virtio: Implement VHOST_USER_PROTOCOL_F_REPLY_ACK
  um: virtio: Implement VHOST_USER_PROTOCOL_F_SLAVE_REQ
  um: drivers: Add virtio vhost-user driver
  um: Use real DMA barriers
  um: Don't use generic barrier.h
  um: time-travel: Restrict time update in IRQ handler
  um: time-travel: Fix periodic timers
  um: Enable CONFIG_CONSTRUCTORS
  um: Place (soft)irq text with macros
  um: Fix VDSO compiler warning
  um: Implement TRACE_IRQFLAGS_SUPPORT
  um: Remove misleading #define ARCh_IRQ_ENABLED
  um: Avoid using uninitialized regs
  um: Remove sig_info[SIGALRM]
  um: Error handling fixes in vector drivers
  ...
2019-09-21 11:07:02 -07:00
Linus Torvalds
4553d469d6 This pull-request contains the following changes for MTD:
MTD core changes:
 - add debugfs nodes for querying the flash name and id
 - mtd parser reorganization
 
 SPI NOR core changes:
 - always use bounce buffer for register read/writes
 - move m25p80 code in spi-nor.c
 - rework hwcaps selection for the spi-mem case
 - rework the core in order to move the manufacturer specific code
   out of it:
     - regroup flash parameters in 'struct spi_nor_flash_parameter'
     - add default_init() and post_sfdp() hooks to tweak the flash
       parameters
     - introduce the ->set_4byte(), ->convert_addr() and ->setup()
       methods, to deal with manufacturer specific code
     - rework the SPI NOR lock/unlock logic
 - fix an error code in spi_nor_read_raw()
 - fix a memory leak bug
 - enable the debugfs for the partname and partid
 - add support for few flashes
 
 SPI NOR controller drivers changes:
 - intel-spi:
     - Whitelist 4B read commands
     - Add support for Intel Tiger Lake SPI serial flash
 - aspeed-smc: Add of_node_put()
 - hisi-sfc: Add of_node_put()
 - cadence-quadspi: Fix QSPI RCU Schedule Stall
 
 NAND core:
 - Fixing typos
 - Adding missing of_node_put() in various drivers
 
 Raw NAND controller drivers:
 
 - Macronix: new controller driver
 - Omap2: Fixing the number of bitflips returned
 - Brcmnand: Fix a pointer not iterating over all the page chunks
 - W90x900: Driver removed
 - Onenand: Fix a memory leak
 - Sharpsl: Missing include guard
 - STM32: Avoid warnings when building with W=1
 - Ingenic: Fix a coccinelle warning
 - r852: Call a helper to simplify the code
 
 CFI core:
 - Kill useless initializer in mtd_do_chip_probe()
 - Fix a rare write failure seen on some cfi_cmdset_0002 compliant
   Parallel NORs
 - Bunch of cleanups for cfi_cmdset_0002 driver's write functions by
   Tokunori Ikegami <ikegami.t@gmail.com>
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Merge tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Richard Weinberger:
 "MTD core changes:
   - add debugfs nodes for querying the flash name and id
   - mtd parser reorganization

  SPI NOR core changes:
   - always use bounce buffer for register read/writes
   - move m25p80 code in spi-nor.c
   - rework hwcaps selection for the spi-mem case
   - rework the core in order to move the manufacturer specific code out
     of it:
       - regroup flash parameters in 'struct spi_nor_flash_parameter'
       - add default_init() and post_sfdp() hooks to tweak the flash
         parameters
       - introduce the ->set_4byte(), ->convert_addr() and ->setup()
         methods, to deal with manufacturer specific code
       - rework the SPI NOR lock/unlock logic
   - fix an error code in spi_nor_read_raw()
   - fix a memory leak bug
   - enable the debugfs for the partname and partid
   - add support for few flashes

  SPI NOR controller drivers changes:
   - intel-spi:
       - Whitelist 4B read commands
       - Add support for Intel Tiger Lake SPI serial flash
   - aspeed-smc: Add of_node_put()
   - hisi-sfc: add of_node_put()
   - cadence-quadspi: Fix QSPI RCU Schedule Stall

  NAND core:
   - Fixing typos
   - Adding missing of_node_put() in various drivers

  Raw NAND controller drivers:
   - Macronix: new controller driver
   - Omap2: fix the number of bitflips returned
   - Brcmnand: fix a pointer not iterating over all the page chunks
   - W90x900: driver removed
   - Onenand: fix a memory leak
   - Sharpsl: missing include guard
   - STM32: avoid warnings when building with W=1
   - Ingenic: fix a coccinelle warning
   - r852: call a helper to simplify the code

  CFI core:
   - Kill useless initializer in mtd_do_chip_probe()
   - Fix a rare write failure seen on some cfi_cmdset_0002 compliant
     Parallel NORs
   - Bunch of cleanups for cfi_cmdset_0002 driver's write functions by
     Tokunori Ikegami"

* tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (77 commits)
  mtd: pmc551: Remove set but not used variable 'soff_lo'
  mtd: cfi_cmdset_0002: Fix do_erase_chip() to get chip as erasing mode
  mtd: sm_ftl: Fix memory leak in sm_init_zone() error path
  mtd: parsers: Move CMDLINE parser
  mtd: parsers: Move OF parser
  mtd: parsers: Move BCM63xx parser
  mtd: parsers: Move BCM47xx parser
  mtd: parsers: Move TI AR7 parser
  mtd: pismo: Simplify getting the adapter of a client
  mtd: phram: Module parameters add writable permissions
  mtd: pxa2xx: Use ioremap_cache insted of ioremap_cached
  mtd: spi-nor: Rename "n25q512a" to "mt25qu512a (n25q512a)"
  mtd: spi-nor: Add support for mt35xu02g
  mtd: rawnand: omap2: Fix number of bitflips reporting with ELM
  mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page bitfips
  mtd: spi-nor: remove superfluous pass of nor->info->sector_size
  mtd: spi-nor: enable the debugfs for the partname and partid
  mtd: mtdcore: add debugfs nodes for querying the flash name and id
  mtd: spi-nor: hisi-sfc: Add of_node_put() before break
  mtd: spi-nor: aspeed-smc: Add of_node_put()
  ...
2019-09-21 10:59:54 -07:00
Linus Torvalds
6cb2e9ee51 libnvdimm for 5.4
- Rework the nvdimm core to accommodate architectures with different page
   sizes and ones that can change supported huge page sizes at boot
   time rather than a compile time constant.
 
 - Introduce a distinct 'frozen' attribute for the nvdimm security state
   since it is independent of the locked state.
 
 - Miscellaneous fixups.
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Merge tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "Some reworks to better support nvdimms on powerpc and an nvdimm
  security interface update:

   - Rework the nvdimm core to accommodate architectures with different
     page sizes and ones that can change supported huge page sizes at
     boot time rather than a compile time constant.

   - Introduce a distinct 'frozen' attribute for the nvdimm security
     state since it is independent of the locked state.

   - Miscellaneous fixups"

* tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  libnvdimm: Use PAGE_SIZE instead of SZ_4K for align check
  libnvdimm/label: Remove the dpa align check
  libnvdimm/pfn_dev: Add page size and struct page size to pfn superblock
  libnvdimm/pfn_dev: Add a build check to make sure we notice when struct page size change
  libnvdimm/pmem: Advance namespace seed for specific probe errors
  libnvdimm/region: Rewrite _probe_success() to _advance_seeds()
  libnvdimm/security: Consolidate 'security' operations
  libnvdimm/security: Tighten scope of nvdimm->busy vs security operations
  libnvdimm/security: Introduce a 'frozen' attribute
  libnvdimm, region: Use struct_size() in kzalloc()
  tools/testing/nvdimm: Fix fallthrough warning
  libnvdimm/of_pmem: Provide a unique name for bus provider
2019-09-21 10:55:29 -07:00
Linus Torvalds
10fd71780f SCSI misc on 20190919
This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
 lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates.
 The only core change this time around is the addition of request
 batching for virtio.  Since batching requires an additional flag to
 use, it should be invisible to the rest of the drivers.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
  lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The
  only core change this time around is the addition of request batching
  for virtio. Since batching requires an additional flag to use, it
  should be invisible to the rest of the drivers"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits)
  scsi: hisi_sas: Fix the conflict between device gone and host reset
  scsi: hisi_sas: Add BIST support for phy loopback
  scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation
  scsi: hisi_sas: Remove some unused function arguments
  scsi: hisi_sas: Remove redundant work declaration
  scsi: hisi_sas: Remove hisi_sas_hw.slot_complete
  scsi: hisi_sas: Assign NCQ tag for all NCQ commands
  scsi: hisi_sas: Update all the registers after suspend and resume
  scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device
  scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails
  scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled
  scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset()
  scsi: hisi_sas: add debugfs auto-trigger for internal abort time out
  scsi: virtio_scsi: unplug LUNs when events missed
  scsi: scsi_dh_rdac: zero cdb in send_mode_select()
  scsi: fcoe: fix null-ptr-deref Read in fc_release_transport
  scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code
  scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code
  scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code
  scsi: ufs: Use kmemdup in ufshcd_read_string_desc()
  ...
2019-09-21 10:50:15 -07:00
Linus Torvalds
3e414b5bd2 - crypto and DM crypt advances that allow the crypto API to reclaim
implementation details that do not belong in DM crypt.  The wrapper
   template for ESSIV generation that was factored out will also be used
   by fscrypt in the future.
 
 - Add root hash pkcs#7 signature verification to the DM verity target.
 
 - Add a new "clone" DM target that allows for efficient remote
   replication of a device.
 
 - Enhance DM bufio's cache to be tailored to each client based on use.
   Clients that make heavy use of the cache get more of it, and those
   that use less have reduced cache usage.
 
 - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the
   version number of a DM target (even if the associated module isn't yet
   loaded).
 
 - Fix invalid memory access in DM zoned target.
 
 - Fix the max_discard_sectors limit advertised by the DM raid target; it
   was mistakenly storing the limit in bytes rather than sectors.
 
 - Small optimizations and cleanups in DM writecache target.
 
 - Various fixes and cleanups in DM core, DM raid1 and space map portion
   of DM persistent data library.
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Merge tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - crypto and DM crypt advances that allow the crypto API to reclaim
   implementation details that do not belong in DM crypt. The wrapper
   template for ESSIV generation that was factored out will also be used
   by fscrypt in the future.

 - Add root hash pkcs#7 signature verification to the DM verity target.

 - Add a new "clone" DM target that allows for efficient remote
   replication of a device.

 - Enhance DM bufio's cache to be tailored to each client based on use.
   Clients that make heavy use of the cache get more of it, and those
   that use less have reduced cache usage.

 - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the
   version number of a DM target (even if the associated module isn't
   yet loaded).

 - Fix invalid memory access in DM zoned target.

 - Fix the max_discard_sectors limit advertised by the DM raid target;
   it was mistakenly storing the limit in bytes rather than sectors.

 - Small optimizations and cleanups in DM writecache target.

 - Various fixes and cleanups in DM core, DM raid1 and space map portion
   of DM persistent data library.

* tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (22 commits)
  dm: introduce DM_GET_TARGET_VERSION
  dm bufio: introduce a global cache replacement
  dm bufio: remove old-style buffer cleanup
  dm bufio: introduce a global queue
  dm bufio: refactor adjust_total_allocated
  dm bufio: call adjust_total_allocated from __link_buffer and __unlink_buffer
  dm: add clone target
  dm raid: fix updating of max_discard_sectors limit
  dm writecache: skip writecache_wait for pmem mode
  dm stats: use struct_size() helper
  dm crypt: omit parsing of the encapsulated cipher
  dm crypt: switch to ESSIV crypto API template
  crypto: essiv - create wrapper template for ESSIV generation
  dm space map common: remove check for impossible sm_find_free() return value
  dm raid1: use struct_size() with kzalloc()
  dm writecache: optimize performance by sorting the blocks for writeback_all
  dm writecache: add unlikely for getting two block with same LBA
  dm writecache: remove unused member pointer in writeback_struct
  dm zoned: fix invalid memory access
  dm verity: add root hash pkcs#7 signature verification
  ...
2019-09-21 10:40:37 -07:00
Linus Torvalds
018c6837f3 RDMA subsystem updates for 5.4
This cycle mainly saw lots of bug fixes and clean up code across the core
 code and several drivers, few new functional changes were made.
 
 - Many cleanup and bug fixes for hns
 
 - Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
   bnxt_re, efa
 
 - Share the query_port code between all the iWarp drivers
 
 - General rework and cleanup of the ODP MR umem code to fit better with
   the mmu notifier get/put scheme
 
 - Support rdma netlink in non init_net name spaces
 
 - mlx5 support for XRC devx and DC ODP
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull RDMA subsystem updates from Jason Gunthorpe:
 "This cycle mainly saw lots of bug fixes and clean up code across the
  core code and several drivers, few new functional changes were made.

   - Many cleanup and bug fixes for hns

   - Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
     bnxt_re, efa

   - Share the query_port code between all the iWarp drivers

   - General rework and cleanup of the ODP MR umem code to fit better
     with the mmu notifier get/put scheme

   - Support rdma netlink in non init_net name spaces

   - mlx5 support for XRC devx and DC ODP"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (99 commits)
  RDMA: Fix double-free in srq creation error flow
  RDMA/efa: Fix incorrect error print
  IB/mlx5: Free mpi in mp_slave mode
  IB/mlx5: Use the original address for the page during free_pages
  RDMA/bnxt_re: Fix spelling mistake "missin_resp" -> "missing_resp"
  RDMA/hns: Package operations of rq inline buffer into separate functions
  RDMA/hns: Optimize cmd init and mode selection for hip08
  IB/hfi1: Define variables as unsigned long to fix KASAN warning
  IB/{rdmavt, hfi1, qib}: Add a counter for credit waits
  IB/hfi1: Add traces for TID RDMA READ
  RDMA/siw: Relax from kmap_atomic() use in TX path
  IB/iser: Support up to 16MB data transfer in a single command
  RDMA/siw: Fix page address mapping in TX path
  RDMA: Fix goto target to release the allocated memory
  RDMA/usnic: Avoid overly large buffers on stack
  RDMA/odp: Add missing cast for 32 bit
  RDMA/hns: Use devm_platform_ioremap_resource() to simplify code
  Documentation/infiniband: update name of some functions
  RDMA/cma: Fix false error message
  RDMA/hns: Fix wrong assignment of qp_access_flags
  ...
2019-09-21 10:26:24 -07:00
Linus Torvalds
84da111de0 hmm related patches for 5.4
This is more cleanup and consolidation of the hmm APIs and the very
 strongly related mmu_notifier interfaces. Many places across the tree
 using these interfaces are touched in the process. Beyond that a cleanup
 to the page walker API and a few memremap related changes round out the
 series:
 
 - General improvement of hmm_range_fault() and related APIs, more
   documentation, bug fixes from testing, API simplification &
   consolidation, and unused API removal
 
 - Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE, and
   make them internal kconfig selects
 
 - Hoist a lot of code related to mmu notifier attachment out of drivers by
   using a refcount get/put attachment idiom and remove the convoluted
   mmu_notifier_unregister_no_release() and related APIs.
 
 - General API improvement for the migrate_vma API and revision of its only
   user in nouveau
 
 - Annotate mmu_notifiers with lockdep and sleeping region debugging
 
 Two series unrelated to HMM or mmu_notifiers came along due to
 dependencies:
 
 - Allow pagemap's memremap_pages family of APIs to work without providing
   a struct device
 
 - Make walk_page_range() and related use a constant structure for function
   pointers
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Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull hmm updates from Jason Gunthorpe:
 "This is more cleanup and consolidation of the hmm APIs and the very
  strongly related mmu_notifier interfaces. Many places across the tree
  using these interfaces are touched in the process. Beyond that a
  cleanup to the page walker API and a few memremap related changes
  round out the series:

   - General improvement of hmm_range_fault() and related APIs, more
     documentation, bug fixes from testing, API simplification &
     consolidation, and unused API removal

   - Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE,
     and make them internal kconfig selects

   - Hoist a lot of code related to mmu notifier attachment out of
     drivers by using a refcount get/put attachment idiom and remove the
     convoluted mmu_notifier_unregister_no_release() and related APIs.

   - General API improvement for the migrate_vma API and revision of its
     only user in nouveau

   - Annotate mmu_notifiers with lockdep and sleeping region debugging

  Two series unrelated to HMM or mmu_notifiers came along due to
  dependencies:

   - Allow pagemap's memremap_pages family of APIs to work without
     providing a struct device

   - Make walk_page_range() and related use a constant structure for
     function pointers"

* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (75 commits)
  libnvdimm: Enable unit test infrastructure compile checks
  mm, notifier: Catch sleeping/blocking for !blockable
  kernel.h: Add non_block_start/end()
  drm/radeon: guard against calling an unpaired radeon_mn_unregister()
  csky: add missing brackets in a macro for tlb.h
  pagewalk: use lockdep_assert_held for locking validation
  pagewalk: separate function pointers from iterator data
  mm: split out a new pagewalk.h header from mm.h
  mm/mmu_notifiers: annotate with might_sleep()
  mm/mmu_notifiers: prime lockdep
  mm/mmu_notifiers: add a lockdep map for invalidate_range_start/end
  mm/mmu_notifiers: remove the __mmu_notifier_invalidate_range_start/end exports
  mm/hmm: hmm_range_fault() infinite loop
  mm/hmm: hmm_range_fault() NULL pointer bug
  mm/hmm: fix hmm_range_fault()'s handling of swapped out pages
  mm/mmu_notifiers: remove unregister_no_release
  RDMA/odp: remove ib_ucontext from ib_umem
  RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'
  RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr
  RDMA/mlx5: Use ib_umem_start instead of umem.address
  ...
2019-09-21 10:07:42 -07:00
Linus Torvalds
227c3e9eb5 Make use of gcc 9's "asm inline()" (Rasmus Villemoes):
gcc 9+ (and gcc 8.3, 7.5) provides a way to override the otherwise
     crude heuristic that gcc uses to estimate the size of the code
     represented by an asm() statement. From the gcc docs
 
       If you use 'asm inline' instead of just 'asm', then for inlining
       purposes the size of the asm is taken as the minimum size, ignoring
       how many instructions GCC thinks it is.
 
     For compatibility with older compilers, we obviously want a
 
       #if [understands asm inline]
       #define asm_inline asm inline
       #else
       #define asm_inline asm
       #endif
 
     But since we #define the identifier inline to attach some attributes,
     we have to use an alternate spelling of that keyword. gcc provides
     both __inline__ and __inline, and we currently #define both to inline,
     so they all have the same semantics. We have to free up one of
     __inline__ and __inline, and the latter is by far the easiest.
 
     The two x86 changes cause smaller code gen differences than I'd
     expect, but I think we do want the asm_inline thing available sooner
     or later, so this is just to get the ball rolling.
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Merge tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux

Pull asm inline support from Miguel Ojeda:
 "Make use of gcc 9's "asm inline()" (Rasmus Villemoes):

  gcc 9+ (and gcc 8.3, 7.5) provides a way to override the otherwise
  crude heuristic that gcc uses to estimate the size of the code
  represented by an asm() statement. From the gcc docs

      If you use 'asm inline' instead of just 'asm', then for inlining
      purposes the size of the asm is taken as the minimum size, ignoring
      how many instructions GCC thinks it is.

  For compatibility with older compilers, we obviously want a

      #if [understands asm inline]
      #define asm_inline asm inline
      #else
      #define asm_inline asm
      #endif

  But since we #define the identifier inline to attach some attributes,
  we have to use an alternate spelling of that keyword. gcc provides
  both __inline__ and __inline, and we currently #define both to inline,
  so they all have the same semantics.

  We have to free up one of __inline__ and __inline, and the latter is
  by far the easiest.

  The two x86 changes cause smaller code gen differences than I'd
  expect, but I think we do want the asm_inline thing available sooner
  or later, so this is just to get the ball rolling"

* tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux:
  x86: bug.h: use asm_inline in _BUG_FLAGS definitions
  x86: alternative.h: use asm_inline for all alternative variants
  compiler-types.h: add asm_inline definition
  compiler_types.h: don't #define __inline
  lib/zstd/mem.h: replace __inline by inline
  staging: rtl8723bs: replace __inline by inline
2019-09-21 09:47:19 -07:00
Linus Torvalds
56c631f5ae randomize_layout: Fix potential auto-selection bug
- Fix auto-selection bug in is_pure_ops_struct (Joonwon Kang)
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Merge tag 'gcc-plugins-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins fix from Kees Cook:
 "Fix a potential problem in randomize_layout structure auto-selection
  (that was not triggered by any existing kernel structures)"

* tag 'gcc-plugins-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  randstruct: Check member structs in is_pure_ops_struct()
2019-09-21 09:36:28 -07:00
Linus Torvalds
56c1e83434 Printk changes for 5.4
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Merge tag 'printk-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

Pull printk updates from Petr Mladek:

 - Fix off-by-one error when calculating messages that might fit into
   kmsg buffer. It causes occasional omitting of the last message.

 - Add missing pointer check in %pD format modifier handling.

 - Some clean up

* tag 'printk-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
  ABI: Update dev-kmsg documentation to match current kernel behaviour
  printk: Replace strncmp() with str_has_prefix()
  lib/test_printf: Remove obvious comments from %pd and %pD tests
  lib/test_printf: Add test of null/invalid pointer dereference for dentry
  vsprintf: Prevent crash when dereferencing invalid pointers for %pD
  printk: Do not lose last line in kmsg buffer dump
2019-09-21 09:34:29 -07:00
Linus Torvalds
f97c81dc6c ARM: SoC: late updates for v5.4
This is some material that we picked up into our tree late or
 that had complex inter-depondencies. The fact that there are these
 interdependencies tends to meant that these are often actually the most
 interesting new additions:
 
 The new Aspeed AST2600 baseboard management controller is added, this
 is a Cortex-A7 based follow-up to the ARM11 based AST2500 and had some
 dependencies on other device drivers.
 
 After many years, support for the MMP2 based OLPC XO-1.75 finally makes
 it into the kernel.
 
 The Armada 3720 based Turris Mox open source router platform is a late
 addition and it follows some preparatory work across multiple branches.
 
 The OMAP2+ platform had some large-scale cleanup involving driver
 changes and DT changes, here we finish it off, dropping a lot of the
 now-unused platform data.
 
 The TI K3 platform that got added for 5.3 gains a lot more support
 for individual bits on the SoC, this part just came late for the
 merge window.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC late updates from Arnd Bergmann:
 "This is some material that we picked up into our tree late or that had
  complex inter-depondencies. The fact that there are these
  interdependencies tends to meant that these are often actually the
  most interesting new additions:

   - The new Aspeed AST2600 baseboard management controller is added,
     this is a Cortex-A7 based follow-up to the ARM11 based AST2500 and
     had some dependencies on other device drivers.

   - After many years, support for the MMP2 based OLPC XO-1.75 finally
     makes it into the kernel.

   - The Armada 3720 based Turris Mox open source router platform is a
     late addition and it follows some preparatory work across multiple
     branches.

   - The OMAP2+ platform had some large-scale cleanup involving driver
     changes and DT changes, here we finish it off, dropping a lot of
     the now-unused platform data.

   - The TI K3 platform that got added for 5.3 gains a lot more support
     for individual bits on the SoC, this part just came late for the
     merge window"

[ This pull request itself wasn't actually sent late at all by Arnd, but
  I waited on the branches that it used to be pulled first, so it ends
  up being merged much later than the other ARM SoC pull requests this
  merge window     - Linus ]

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
  ARM: dts: dir685: Drop spi-cpol from the display
  ARM: dts: aspeed: Add AST2600 pinmux nodes
  ARM: dts: aspeed: Add AST2600 and EVB
  ARM: exynos: Enable support for ARM architected timers
  ARM: samsung: Fix system restart on S3C6410
  ARM: dts: mmp2: add OLPC XO 1.75 machine
  ARM: dts: mmp2: rename the USB PHY node
  ARM: dts: mmp2: specify reg-shift for the UARTs
  ARM: dts: mmp2: add camera interfaces
  ARM: dts: mmp2: fix the SPI nodes
  ARM: dts: mmp2: trivial whitespace fix
  arm64: dts: marvell: add DTS for Turris Mox
  dt-bindings: marvell: document Turris Mox compatible
  arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
  arm64: dts: ti: k3-j721e-main: Fix gic-its node unit-address
  arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address
  arm64: dts: ti: k3-j721e-main: Add hwspinlock node
  arm64: dts: ti: k3-am65-main: Add hwspinlock node
  arm64: dts: k3-j721e: Add gpio-keys on common processor board
  dt-bindings: pinctrl: k3: Introduce pinmux definitions for J721E
  ...
2019-09-20 15:53:02 -07:00
Linus Torvalds
a703d279c5 We have a small collection of core framework updates this time, mostly around
clk registration by clk providers and debugfs "nice to haves" for rate
 constraints. I'll highlight that we're now setting the clk_init_data pointer
 inside struct clk_hw to NULL during clk_register(), which may break some
 drivers that thought they could use that pointer during normal operations. That
 change has been sitting in next for a while now but maybe something is still
 broken. We'l see. Other than that the core framework changes aren't invasive
 and they're fixing bugs, simplifying, and making things better.
 
 On the clk driver side we got the usual addition of new SoC support, new
 features for existing drivers, and bug fixes scattered throughout. The biggest
 diffstat is the Amlogic driver that gained CPU clk support in addition to
 migrating to the new way of specifying clk parents. After that the Qualcomm,
 i.MX, Mediatek, and Rockchip clk drivers got support for various new SoCs and
 clock controllers from those vendors.
 
 Core:
  - Drop NULL checks in clk debugfs
  - Add min/max rates to clk debugfs
  - Set clk_init_data pointer inside clk_hw to NULL after registration
  - Make clk_bulk_get_all() return an 'id' corresponding to clock-names
  - Evict parents from parent cache when they're unregistered
 
 New Drivers:
  - Add clock driver for i.MX8MN SoCs
  - Support aspeed AST2600 SoCs
  - Support for Mediatek MT6779 SoCs
  - Support qcom SM8150 GCC and RPMh clks
  - Support qcom QCS404 WCSS clks
  - Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)
  - Addition of clock driver for Rockchip rk3308 SoCs
 
 Updates:
  - Add regulator support to the cdce925 clk driver
  - Add support for Raspberry Pi 4 bcm2711 SoCs
  - Add SDIO gate support to aspeed driver
  - Add missing of_node_put() calls in various clk drivers
  - Migrate Amlogic driver to new clock parent description method
  - Add DVFS support to Amlogic Meson g12
  - Add Amlogic Meson g12a reset support to the axg audio clock controller
  - Add sm1 support to the Amlogic Meson g12a clock controller
  - Switch i.MX8MM clock driver to platform driver
  - Add Hifi4 DSP related clocks for i.MX8QXP SoC
  - Fix Audio PLL setting and parent clock for USB
  - Misc i.MX8 clock driver improvements and corrections
  - Set floor ops for Qualcomm SD clks so that rounding works
  - Fix "always-on" Clock Domains on Renesas R-Car M1A, RZ/A1, RZ/A2, and RZ/N1
  - Enable the Allwinner V3 SoC and fix the i2s clock for H6
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "We have a small collection of core framework updates this time, mostly
  around clk registration by clk providers and debugfs "nice to haves"
  for rate constraints. I'll highlight that we're now setting the
  clk_init_data pointer inside struct clk_hw to NULL during
  clk_register(), which may break some drivers that thought they could
  use that pointer during normal operations. That change has been
  sitting in next for a while now but maybe something is still broken.
  We'l see. Other than that the core framework changes aren't invasive
  and they're fixing bugs, simplifying, and making things better.

  On the clk driver side we got the usual addition of new SoC support,
  new features for existing drivers, and bug fixes scattered throughout.
  The biggest diffstat is the Amlogic driver that gained CPU clk support
  in addition to migrating to the new way of specifying clk parents.
  After that the Qualcomm, i.MX, Mediatek, and Rockchip clk drivers got
  support for various new SoCs and clock controllers from those vendors.

  Core:
   - Drop NULL checks in clk debugfs
   - Add min/max rates to clk debugfs
   - Set clk_init_data pointer inside clk_hw to NULL after registration
   - Make clk_bulk_get_all() return an 'id' corresponding to clock-names
   - Evict parents from parent cache when they're unregistered

  New Drivers:
   - Add clock driver for i.MX8MN SoCs
   - Support aspeed AST2600 SoCs
   - Support for Mediatek MT6779 SoCs
   - Support qcom SM8150 GCC and RPMh clks
   - Support qcom QCS404 WCSS clks
   - Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)
   - Addition of clock driver for Rockchip rk3308 SoCs

  Updates:
   - Add regulator support to the cdce925 clk driver
   - Add support for Raspberry Pi 4 bcm2711 SoCs
   - Add SDIO gate support to aspeed driver
   - Add missing of_node_put() calls in various clk drivers
   - Migrate Amlogic driver to new clock parent description method
   - Add DVFS support to Amlogic Meson g12
   - Add Amlogic Meson g12a reset support to the axg audio clock controller
   - Add sm1 support to the Amlogic Meson g12a clock controller
   - Switch i.MX8MM clock driver to platform driver
   - Add Hifi4 DSP related clocks for i.MX8QXP SoC
   - Fix Audio PLL setting and parent clock for USB
   - Misc i.MX8 clock driver improvements and corrections
   - Set floor ops for Qualcomm SD clks so that rounding works
   - Fix "always-on" Clock Domains on Renesas R-Car M1A, RZ/A1, RZ/A2, and RZ/N1
   - Enable the Allwinner V3 SoC and fix the i2s clock for H6"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (137 commits)
  clk: Drop !clk checks in debugfs dumping
  clk: imx: imx8mn: fix pll mux bit
  clk: imx: imx8mm: fix pll mux bit
  clk: imx: clk-pll14xx: unbypass PLL by default
  clk: imx: pll14xx: avoid glitch when set rate
  clk: mvebu: ap80x: add AP807 clock support
  clk: mvebu: ap806: Prepare the introduction of AP807 clock support
  clk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver
  clk: mvebu: ap806: be more explicit on what SaR is
  clk: mvebu: ap80x-cpu: add AP807 CPU clock support
  clk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock
  dt-bindings: ap806: Document AP807 clock compatible
  dt-bindings: ap80x: Document AP807 CPU clock compatible
  clk: sprd: add missing kfree
  clk: at91: allow 24 Mhz clock as input for PLL
  clk: Make clk_bulk_get_all() return a valid "id"
  clk: actions: Fix factor clk struct member access
  clk: qcom: rcg: Return failure for RCG update
  clk: remove extra ---help--- tags in Kconfig
  clk: add include guard to clk-conf.h
  ...
2019-09-20 15:45:07 -07:00
Linus Torvalds
1ddd00276f VFIO updates for v5.4-rc1
- Fix spapr iommu error case case (Alexey Kardashevskiy)
 
  - Consolidate region type definitions (Cornelia Huck)
 
  - Restore saved original PCI state on release (hexin)
 
  - Simplify mtty sample driver interrupt path (Parav Pandit)
 
  - Support for reporting valid IOVA regions to user (Shameer Kolothum)
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Merge tag 'vfio-v5.4-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix spapr iommu error case case (Alexey Kardashevskiy)

 - Consolidate region type definitions (Cornelia Huck)

 - Restore saved original PCI state on release (hexin)

 - Simplify mtty sample driver interrupt path (Parav Pandit)

 - Support for reporting valid IOVA regions to user (Shameer Kolothum)

* tag 'vfio-v5.4-rc1' of git://github.com/awilliam/linux-vfio:
  vfio_pci: Restore original state on release
  vfio/type1: remove duplicate retrieval of reserved regions
  vfio/type1: Add IOVA range capability support
  vfio/type1: check dma map request is within a valid iova range
  vfio/spapr_tce: Fix incorrect tce_iommu_group memory free
  vfio-mdev/mtty: Simplify interrupt generation
  vfio: re-arrange vfio region definitions
  vfio/type1: Update iova list on detach
  vfio/type1: Check reserved region conflict and update iova list
  vfio/type1: Introduce iova list and add iommu aperture validity check
2019-09-20 15:06:13 -07:00
Paul Burton
05d013a036
MIPS: Detect bad _PFN_SHIFT values
2 recent commits have fixed issues where _PFN_SHIFT grew too large due
to the introduction of too many pgprot bits in our PTEs for some MIPS32
kernel configurations. Tracking down such issues can be tricky, so add a
BUILD_BUG_ON() to help.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
2019-09-20 14:55:07 -07:00
Paul Burton
d1af2ab36d
MIPS: Disable pte_special() for MIPS32 with RiXi
Commit 61cbfff4b1 ("MIPS: pte_special()/pte_mkspecial() support")
added a _PAGE_SPECIAL bit to the pgprot bits of our PTEs. Unfortunately
for MIPS32 configurations with RiXi support this pushed the number of
pgprot bits to 13. Since the PFN field in EntryLo begins at bit 12 this
results in us shifting the most significant bit of the physical address
beyond the end of the PTE, leading any mapped access to a physical
address above 2GB to incorrectly access an address 2GB lower than
intended.

For now, disable the pte_special() support for MIPS32 configurations
that support RiXi.

Fixes: 61cbfff4b1 ("MIPS: pte_special()/pte_mkspecial() support")
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Dmitry Korotin <dkorotin@wavecomp.com>
Cc: linux-mips@vger.kernel.org
2019-09-20 14:55:07 -07:00