struct kmem_cache::size has always been "int", all those
"size_t size" are fake.
Link: http://lkml.kernel.org/r/20180305200730.15812-5-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: 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: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
KMALLOC_MAX_CACHE_SIZE is 32-bit so is the largest kmalloc cache size.
Christoph said:
:
: Ok SLABs maximum allocation size is limited to 32M (see
: include/linux/slab.h:
:
: #define KMALLOC_SHIFT_HIGH ((MAX_ORDER + PAGE_SHIFT - 1) <= 25 ? \
: (MAX_ORDER + PAGE_SHIFT - 1) : 25)
:
: And SLUB/SLOB pass all larger requests to the page allocator anyways.
Link: http://lkml.kernel.org/r/20180305200730.15812-4-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kmalloc_size() derives size of kmalloc cache from internal index, which
can't be negative.
Propagate unsignedness a bit.
Link: http://lkml.kernel.org/r/20180305200730.15812-3-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kmalloc_index() return index into an array of kmalloc kmem caches,
therefore should be unsigned.
Space savings with SLUB on trimmed down .config:
add/remove: 0/1 grow/shrink: 6/56 up/down: 85/-557 (-472)
Function old new delta
calculate_sizes 924 983 +59
on_freelist 589 604 +15
init_cache_random_seq 122 127 +5
ext4_mb_init 1206 1210 +4
slab_pad_check.part 270 271 +1
cpu_partial_store 112 113 +1
usersize_show 28 27 -1
...
new_slab 1871 1837 -34
slab_order 204 - -204
This patch start a series of converting SLUB (mostly) to "unsigned int".
1) Most integers in the code are in fact unsigned entities: array
indexes, lengths, buffer sizes, allocation orders. It is therefore
better to use unsigned variables
2) Some integers in the code are either "size_t" or "unsigned long" for
no reason.
size_t usually comes from people trying to maintain type correctness
and figuring out that "sizeof" operator returns size_t or
memset/memcpy takes size_t so should everything passed to it.
However the number of 4GB+ objects in the kernel is very small. Most,
if not all, dynamically allocated objects with kmalloc() or
kmem_cache_create() aren't actually big. Maintaining wide types
doesn't do anything.
64-bit ops are bigger than 32-bit on our beloved x86_64,
so try to not use 64-bit where it isn't necessary
(read: everywhere where integers are integers not pointers)
3) in case of SLAB allocators, there are additional limitations
*) page->inuse, page->objects are only 16-/15-bit,
*) cache size was always 32-bit
*) slab orders are small, order 20 is needed to go 64-bit on x86_64
(PAGE_SIZE << order)
Basically everything is 32-bit except kmalloc(1ULL<<32) which gets
shortcut through page allocator.
Christoph said:
:
: That changes with large base page size on power and ARM64 f.e. but then
: we do not want to encourage larger allocations through slab anyways.
Link: http://lkml.kernel.org/r/20180305200730.15812-2-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When SLUB_DEBUG catches some issues, it prints all the required debug
info. However, in a few cases where allocation and free of the object
has happened in a very short time, 'age' might be misleading. See the
example below:
=============================================================================
BUG kmalloc-256 (Tainted: G W O ): Poison overwritten
-----------------------------------------------------------------------------
...
INFO: Allocated in binder_transaction+0x4b0/0x2448 age=731 cpu=3 pid=5314
...
INFO: Freed in binder_free_transaction+0x2c/0x58 age=735 cpu=6 pid=2079
...
Object fffffff14956a870: 6b 6b 6b 6b 6b 6b 6b 6b 67 6b 6b 6b 6b 6b 6b a5 kkkkkkkkgkkkk
In this case, object got freed later but 'age' shows otherwise. This
could be because, while printing this info, we print allocation traces
first and free traces thereafter. In between, if we get schedule out or
jiffies increment, (jiffies - t->when) could become meaningless.
Use the jitter free reference to calculate age.
New output will exactly be same. 'age' is still staying with single
jiffies ref in both prints.
Change-Id: I0846565807a4229748649bbecb1ffb743d71fcd8
Link: http://lkml.kernel.org/r/1520492010-19389-1-git-send-email-cpandya@codeaurora.org
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
Acked-by: Christoph Lameter <cl@linux.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kmalloc caches aren't relocated after being set up neither does
"size_index" array.
Link: http://lkml.kernel.org/r/20180226203519.GA6886@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When changing the size of a block device, its all caches are freed.
It's necessary on shrinking to prevent spurious I/Os to the disappeared
region. However, on expanding, such kind of I/Os doesn't happen.
Similar things can be considered for btrfs filesystem resize and
resize2fs, but they are designed not to drop caches when expanding.
Therefore this patch removes unnecessary cache drop.
Link: http://lkml.kernel.org/r/1521457240-153390-1-git-send-email-shunki-fujita@cybozu.co.jp
Signed-off-by: Shunki Fujita <shunki-fujita@cybozu.co.jp>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When specifying trans_mod multiple times in a mount, it will cause an
inaccurate refcount of the trans module. Also, in the error case of
option parsing, we should put the trans module if we have already got
it.
Link: http://lkml.kernel.org/r/1522154942-57339-1-git-send-email-cgxu519@gmx.com
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the user uses some syscall, for example mmap(v9fs_file_mmap), it
will not update atime even if user's was set mnt_flags without
MNT_NOATIME, because v9fs defaults to settine SB_NOATIME in
v9fs_set_super.
For supporting access time updating when the user mounts with relatime,
we should not set SB_NOATIME by default.
Link: http://lkml.kernel.org/r/5AB9A377.6080906@huawei.com
Signed-off-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Check memory allocation result for cachetag in mount option parsing and
fix potential memory leak in the error case.
Link: http://lkml.kernel.org/r/1521614889-73446-1-git-send-email-cgxu519@gmx.com
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: <v9fs-developer@lists.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If the exported filesystem dir on 9p server doesn't maintain accurate
i_nlink count, e.g. always reports i_nlink as 1, then 9p should not
maintain nlink count either, otherwise drop_link would report warning
with i_nlink being zero.
For example:
- overlayfs sets nlink to 1 for merged dir
- ext4 (with dir_nlink feature enabled) sets nlink to 1 if a dir has
more than EXT4_LINK_MAX (65000) links.
In this case, everytime a stat(2) call (getattr) on such exported dirs
on 9p client side, the i_nlink gets reset to 1, then operations like
rmdir(2), unlink(2) and rename(2) would cause the dir nlink to go to
zero (then negative), which results in warnings in drop_nlink() and/or
inc_nlink() calls.
This can be reproduced easily as the following steps:
- export a merged overlayfs dir via qemu virtfs to guest
- mount the exported virtfs in guest
- create two sub-directories in the root dir of the mounted 9pfs
- stat the root dir of 9pfs, this resets nlink to 1
- remove all subdirs, the second unlink/rmdir would trigger warning
------------[ cut here ]------------
WARNING: CPU: 3 PID: 1284 at fs/inode.c:282 drop_nlink+0x3e/0x50
...
Call Trace:
dump_stack+0x63/0x81
__warn+0xcb/0xf0
warn_slowpath_null+0x1d/0x20
drop_nlink+0x3e/0x50
v9fs_remove+0xaa/0x130 [9p]
v9fs_vfs_rmdir+0x13/0x20 [9p]
vfs_rmdir+0xb7/0x130
do_rmdir+0x1b8/0x230
SyS_unlinkat+0x22/0x30
do_syscall_64+0x67/0x180
---[ end trace 43758d8ba91e603b ]---
Fix it by leaving i_nlink to be 1 and don't drop nlink if a directory
has nlink <= 2, which indicates that the underlying exported fs doesn't
maintain nlink count accurately. This follows what ext4 does in
ext4_dec_count().
Link: http://lkml.kernel.org/r/20180312053829.4367-1-eguan@linux.alibaba.com
Signed-off-by: Eryu Guan <eguan@linux.alibaba.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Tested-by: Roman Kapl <code@rkapl.cz>
Cc: Caspar Zhang <caspar@linux.alibaba.com>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: <v9fs-developer@lists.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If it was interrupted by a signal, the 9p client may need to send some
more requests to the server for cleanup before returning to userspace.
To avoid such a last minute request to be interrupted right away, the
client memorizes if a signal is pending, clears TIF_SIGPENDING, handles
the request and calls recalc_sigpending() before returning.
Unfortunately, if the transmission of this cleanup request fails for any
reason, the transport returns an error and the client propagates it
right away, without calling recalc_sigpending().
This ends up with -ERESTARTSYS from the initially interrupted request
crawling up to syscall exit, with TIF_SIGPENDING cleared by the cleanup
request. The specific signal handling code, which is responsible for
converting -ERESTARTSYS to -EINTR is not called, and userspace receives
the confusing errno value:
open: Unknown error 512 (512)
This is really hard to hit in real life. I discovered the issue while
working on hot-unplug of a virtio-9p-pci device with an instrumented
QEMU allowing to control request completion.
Both p9_client_zc_rpc() and p9_client_rpc() functions have this buggy
error path actually. Their code flow is a bit obscure and the best
thing to do would probably be a full rewrite: to really ensure this
situation of clearing TIF_SIGPENDING and returning -ERESTARTSYS can
never happen.
But given the general lack of interest for the 9p code, I won't risk
breaking more things. So this patch simply fixes the buggy paths in
both functions with a trivial label+goto.
Thanks to Laurent Dufour for his help and suggestions on how to find the
root cause and how to fix it.
Link: http://lkml.kernel.org/r/152062809886.10599.7361006774123053312.stgit@bahia.lan
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: David Miller <davem@davemloft.net>
Cc: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1522734135-7933-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We need to check len for bio_add_page() to make sure the bio has been
set up correctly, otherwise we may submit incorrect data to device.
Link: http://lkml.kernel.org/r/5ABC3EBE.5020807@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Changwei Ge <ge.changwei@h3c.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add duplicated ino number check, to avoid adding a file into the file
check list when this file is being checked.
Link: http://lkml.kernel.org/r/1495611866-27360-5-git-send-email-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use embedded kobject mechanism for online file check feature, this will
avoid to use a global list to save/search per-device online file check
related data, meanwhile, reduce the code lines and make the code logic
clear. The changed code is based on Goldwyn Rodrigues's patches and
ext4 fs code.
Link: http://lkml.kernel.org/r/1495611866-27360-4-git-send-email-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
First, move setting fe_done = 1 in spin lock, avoid bring any potential
race condition.
Second, tune mlog message level from ERROR to NOTICE, since the message
should not belong to error message.
Third, tune errno to -EAGAIN when file check queue is full, this errno
is more appropriate in the case.
Link: http://lkml.kernel.org/r/1495611866-27360-3-git-send-email-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "ocfs2: use kobject for online file check", v3.
Use embedded kobject mechanism for online file check feature, this will
avoid to use a global list to save/search per-device online file check
related data. The changed code is based on Goldwyn Rodrigues's patches
and ext4 fs code, there is not any new features added, except some very
small fixes during this code refactoring. Second, the code change does
not affect the underlying file check code. Thank Goldwyn very much.
Compare with second version, add more comments in the patch
descriptions, to make sure each modification is mentioned. Compare with
first version, split the code change into four patches, make sure each
patch will not bring ocfs2 kernel modules compiling errors.
This patch (of 3):
Move some definitions to header file, which will be referenced by other
source files when kobject mechanism is introduced.
Link: http://lkml.kernel.org/r/1495611866-27360-2-git-send-email-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Inspired by the ocfs2 patch to fix the spelling of migrateable to
migratable, I checked all ocfs2 files and found more spelling mistakes.
So correct them all.
Link: http://lkml.kernel.org/r/1521525734-19576-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Trivial fix to spelling mistake in mlog message text
Link: http://lkml.kernel.org/r/20180319114101.2051-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
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 <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Wait for dlm recovery done when migrating all lock resources in case that
new lock resource left after leaving dlm domain. And the left lock
resource will cause other nodes BUG.
NodeA NodeB NodeC
umount:
dlm_unregister_domain()
dlm_migrate_all_locks()
NodeB down
do recovery for NodeB
and collect a new lockres
form other live nodes:
dlm_do_recovery
dlm_remaster_locks
dlm_request_all_locks:
dlm_mig_lockres_handler
dlm_new_lockres
__dlm_insert_lockres
at last NodeA become the
master of the new lockres
and leave domain:
dlm_leave_domain()
mount:
dlm_join_domain()
touch file and request
for the owner of the new
lockres, but all the
other nodes said 'NO',
so NodeC decide to be
the owner, and send do
assert msg to other
nodes:
dlmlock()
dlm_get_lock_resource()
dlm_do_assert_master()
other nodes receive the msg
and found two masters exist.
at last cause BUG in
dlm_assert_master_handler()
-->BUG();
Link: http://lkml.kernel.org/r/5AAA6E25.7090303@huawei.com
Fixes: bc9838c4d4 ("dlm: allow dlm do recovery during shutdown")
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Alex Chen <alex.chen@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1521116681-14602-2-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1521116681-14602-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Obviously, the comment before dlm_do_local_recovery_cleanup() has nothing
to do with it. So remove it.
Link: http://lkml.kernel.org/r/1519371054-4648-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The two functions are no longer used.
Link: http://lkml.kernel.org/r/1519609595-26229-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@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 <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
As kmem_cache_destroy() already handles null pointers, so we can remove
the conditional test entirely.
Link: http://lkml.kernel.org/r/5A9EB21D.3000209@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.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 <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We should not handle migrate lockres if we are already in
'DLM_CTXT_IN_SHUTDOWN', as that will cause lockres remains after leaving
dlm domain. At last other nodes will get stuck into infinite loop when
requsting lock from us.
The problem is caused by concurrency umount between nodes. Before
receiveing N1's DLM_BEGIN_EXIT_DOMAIN_MSG, N2 has picked up N1 as the
migrate target. So N2 will continue sending lockres to N1 even though
N1 has left domain.
N1 N2 (owner)
touch file
access the file,
and get pr lock
begin leave domain and
pick up N1 as new owner
begin leave domain and
migrate all lockres done
begin migrate lockres to N1
end leave domain, but
the lockres left
unexpectedly, because
migrate task has passed
[piaojun@huawei.com: v3]
Link: http://lkml.kernel.org/r/5A9CBD19.5020107@huawei.com
Link: http://lkml.kernel.org/r/5A99F028.2090902@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Reviewed-by: Changwei Ge <ge.changwei@h3c.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>
Keep the trace point consistent with the function name.
Link: http://lkml.kernel.org/r/02609aba-84b2-a22d-3f3b-bc1944b94260@huawei.com
Fixes: 3ef045c3d8 ("ocfs2: switch to ->write_iter()")
Signed-off-by: Jia Guo <guojia12@huawei.com>
Reviewed-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Alex Chen <alex.chen@huawei.com>
Acked-by: Gang He <ghe@suse.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove some unused function declarations in dlmcommon.h.
Link: http://lkml.kernel.org/r/5A7D1034.7050807@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Changwei Ge <ge.changwei@h3c.com>
Reviewed-by: Alex Chen <alex.chen@huawei.com>
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We could use 'oi' instead of 'OCFS2_I()' to make code more elegant.
Link: http://lkml.kernel.org/r/5A7020FE.5050906@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Alex Chen <alex.chen@huawei.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 <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We could use 'osb' instead of 'OCFS2_SB()' to make code more elegant.
Link: http://lkml.kernel.org/r/5A702111.7090907@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.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 <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
syzbot is catching stalls at __bitmap_parselist()
(https://syzkaller.appspot.com/bug?id=ad7e0351fbc90535558514a71cd3edc11681997a).
The trigger is
unsigned long v = 0;
bitmap_parselist("7:,", &v, BITS_PER_LONG);
which results in hitting infinite loop at
while (a <= b) {
off = min(b - a + 1, used_size);
bitmap_set(maskp, a, off);
a += group_size;
}
due to used_size == group_size == 0.
Link: http://lkml.kernel.org/r/20180404162647.15763-1-ynorov@caviumnetworks.com
Fixes: 0a5ce0831d ("lib/bitmap.c: make bitmap_parselist() thread-safe and much faster")
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+6887cbb011c8054e8a3d@syzkaller.appspotmail.com>
Cc: Noam Camus <noamca@mellanox.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is a fix for a regression in 32 bit kernels caused by an invalid
check for pgoff overflow in hugetlbfs mmap setup. The check incorrectly
specified that the size of a loff_t was the same as the size of a long.
The regression prevents mapping hugetlbfs files at offsets greater than
4GB on 32 bit kernels.
On 32 bit kernels conversion from a page based unsigned long can not
overflow a loff_t byte offset. Therefore, skip this check if
sizeof(unsigned long) != sizeof(loff_t).
Link: http://lkml.kernel.org/r/20180330145402.5053-1-mike.kravetz@oracle.com
Fixes: 63489f8e82 ("hugetlbfs: check for pgoff value overflow")
Reported-by: Dan Rue <dan.rue@linaro.org>
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Nic Losby <blurbdust@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>
Calling __stack_chk_guard_setup() in decompress_kernel() is too late
that stack checking always fails for decompress_kernel() itself. So
remove __stack_chk_guard_setup() and initialize __stack_chk_guard before
we call decompress_kernel().
Original code comes from ARM but also used for MIPS and SH, so fix them
together. If without this fix, compressed booting of these archs will
fail because stack checking is enabled by default (>=4.16).
Link: http://lkml.kernel.org/r/1522226933-29317-1-git-send-email-chenhc@lemote.com
Fixes: 8779657d29 ("stackprotector: Introduce CONFIG_CC_STACKPROTECTOR_STRONG")
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Acked-by: James Hogan <jhogan@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Rich Felker <dalias@libc.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- and a handfull of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- ... and a handful of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (149 commits)
hwtracing: Add HW tracing support menu
intel_th: Add ACPI glue layer
intel_th: Allow forcing host mode through drvdata
intel_th: Pick up irq number from resources
intel_th: Don't touch switch routing in host mode
intel_th: Use correct method of finding hub
intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
stm class: Make dummy's master/channel ranges configurable
stm class: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
MAINTAINERS: Bestow upon myself the care for drivers/hwtracing
hv: add SPDX license id to Kconfig
hv: add SPDX license to trace
Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
Drivers: hv: vmbus: respect what we get from hv_get_synint_state()
/dev/mem: Avoid overwriting "err" in read_mem()
eeprom: at24: use SPDX identifier instead of GPL boiler-plate
eeprom: at24: simplify the i2c functionality checking
eeprom: at24: fix a line break
eeprom: at24: tweak newlines
eeprom: at24: refactor at24_probe()
...
Here is the "big" set of driver core patches for 4.17-rc1.
There's really not much here, just a bunch of firmware code refactoring
from Luis as he attempts to wrangle that codebase into something that is
managable, along with a bunch of userspace tests for it. Other than
that, a handful of small bugfixes and reverts of things that didn't work
out.
Full details are in the shortlog, it's not all that much.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core patches for 4.17-rc1.
There's really not much here, just a bunch of firmware code
refactoring from Luis as he attempts to wrangle that codebase into
something that is managable, along with a bunch of userspace tests for
it. Other than that, a handful of small bugfixes and reverts of things
that didn't work out.
Full details are in the shortlog, it's not all that much.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (30 commits)
drivers: base: remove check for callback in coredump_store()
mt7601u: use firmware_request_cache() to address cache on reboot
firmware: add firmware_request_cache() to help with cache on reboot
firmware: fix typo on pr_info_once() when ignore_sysfs_fallback is used
firmware: explicitly include vmalloc.h
firmware: ensure the firmware cache is not used on incompatible calls
test_firmware: modify custom fallback tests to use unique files
firmware: add helper to check to see if fw cache is setup
firmware: fix checking for return values for fw_add_devm_name()
rename: _request_firmware_load() fw_load_sysfs_fallback()
test_firmware: test three firmware kernel configs using a proc knob
test_firmware: expand on library with shared helpers
firmware: enable to force disable the fallback mechanism at run time
firmware: enable run time change of forcing fallback loader
firmware: move firmware loader into its own directory
firmware: split firmware fallback functionality into its own file
firmware: move loading timeout under struct firmware_fallback_config
firmware: use helpers for setting up a temporary cache timeout
firmware: simplify CONFIG_FW_LOADER_USER_HELPER_FALLBACK further
drivers: base: add description for .coredump() callback
...
Here is the big set of Staging/IIO driver patches for 4.17-rc1.
It is a lot, over 500 changes, but not huge by previous kernel release
standards. We deleted more lines than we added again (27k added vs. 91k
remvoed), thanks to finally being able to delete the IRDA drivers and
networking code.
We also deleted the ccree crypto driver, but that's coming back in
through the crypto tree to you, in a much cleaned-up form.
Added this round is at lot of "mt7621" device support, which is for an
embedded device that Neil Brown cares about, and of course a handful of
new IIO drivers as well.
And finally, the fsl-mc core code moved out of the staging tree to the
"real" part of the kernel, which is nice to see happen as well.
Full details are in the shortlog, which has all of the tiny cleanup
patches described.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big set of Staging/IIO driver patches for 4.17-rc1.
It is a lot, over 500 changes, but not huge by previous kernel release
standards. We deleted more lines than we added again (27k added vs.
91k remvoed), thanks to finally being able to delete the IRDA drivers
and networking code.
We also deleted the ccree crypto driver, but that's coming back in
through the crypto tree to you, in a much cleaned-up form.
Added this round is at lot of "mt7621" device support, which is for an
embedded device that Neil Brown cares about, and of course a handful
of new IIO drivers as well.
And finally, the fsl-mc core code moved out of the staging tree to the
"real" part of the kernel, which is nice to see happen as well.
Full details are in the shortlog, which has all of the tiny cleanup
patches described.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (579 commits)
staging: rtl8723bs: Remove yield call, replace with cond_resched()
staging: rtl8723bs: Replace yield() call with cond_resched()
staging: rtl8723bs: Remove unecessary newlines from 'odm.h'.
staging: rtl8723bs: Rework 'struct _ODM_Phy_Status_Info_' coding style.
staging: rtl8723bs: Rework 'struct _ODM_Per_Pkt_Info_' coding style.
staging: rtl8723bs: Replace NULL pointer comparison with '!'.
staging: rtl8723bs: Factor out rtl8723bs_recv_tasklet() sections.
staging: rtl8723bs: Fix function signature that goes over 80 characters.
staging: rtl8723bs: Fix lines too long in update_recvframe_attrib().
staging: rtl8723bs: Remove unnecessary blank lines in 'rtl8723bs_recv.c'.
staging: rtl8723bs: Change camel case to snake case in 'rtl8723bs_recv.c'.
staging: rtl8723bs: Add missing braces in else statement.
staging: rtl8723bs: Add spaces around ternary operators.
staging: rtl8723bs: Fix lines with trailing open parentheses.
staging: rtl8723bs: Remove unnecessary length #define's.
staging: rtl8723bs: Fix IEEE80211 authentication algorithm constants.
staging: rtl8723bs: Fix alignment in rtw_wx_set_auth().
staging: rtl8723bs: Remove braces from single statement conditionals.
staging: rtl8723bs: Remove unecessary braces from switch statement.
staging: rtl8723bs: Fix newlines in rtw_wx_set_auth().
...
Here is the big set of tty and serial driver patches for 4.17-rc1
Not all that big really, most are just small fixes and additions to
existing drivers. There's a bunch of work on the imx serial driver
recently for some reason, and a new embedded serial driver added as
well.
Full details are in the shortlog.
All of these have been in the linux-next tree for a while with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty and serial driver patches for 4.17-rc1
Not all that big really, most are just small fixes and additions to
existing drivers. There's a bunch of work on the imx serial driver
recently for some reason, and a new embedded serial driver added as
well.
Full details are in the shortlog.
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'tty-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (66 commits)
serial: expose buf_overrun count through proc interface
serial: mvebu-uart: fix tx lost characters
tty: serial: msm_geni_serial: Fix return value check in qcom_geni_serial_probe()
tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP
8250-men-mcb: add support for 16z025 and 16z057
powerpc: Mark the variable earlycon_acpi_spcr_enable maybe_unused
serial: stm32: fix initialization of RS485 mode
ARM: dts: STi: Remove "console=ttyASN" from bootargs for STi boards
vt: change SGR 21 to follow the standards
serdev: Fix typo in serdev_device_alloc
ARM: dts: STi: Fix aliases property name for STi boards
tty: st-asc: Update tty alias
serial: stm32: add support for RS485 hardware control mode
dt-bindings: serial: stm32: add RS485 optional properties
selftests: add devpts selftests
devpts: comment devpts_mntget()
devpts: resolve devpts bind-mounts
devpts: hoist out check for DEVPTS_SUPER_MAGIC
serial: 8250: Add Nuvoton NPCM UART
serial: mxs-auart: disable clks of Alphascale ASM9260
...
Here is the big set of USB and PHY driver patches for 4.17-rc1.
Lots of USB typeC work happened this round, with code moving from the
staging directory into the "real" part of the kernel, as well as new
infrastructure being added to be able to handle the different types of
"roles" that typeC requires.
There is also the normal huge set of USB gadget controller and driver
updates, along with XHCI changes, and a raft of other tiny fixes all
over the USB tree. And the PHY driver updates are merged in here as
well as they interacted with the USB drivers in some places.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 4.17-rc1.
Lots of USB typeC work happened this round, with code moving from the
staging directory into the "real" part of the kernel, as well as new
infrastructure being added to be able to handle the different types of
"roles" that typeC requires.
There is also the normal huge set of USB gadget controller and driver
updates, along with XHCI changes, and a raft of other tiny fixes all
over the USB tree. And the PHY driver updates are merged in here as
well as they interacted with the USB drivers in some places.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (250 commits)
Revert "USB: serial: ftdi_sio: add Id for Physik Instrumente E-870"
usb: musb: gadget: misplaced out of bounds check
usb: chipidea: imx: Fix ULPI on imx53
usb: chipidea: imx: Cleanup ci_hdrc_imx_platform_flag
usb: chipidea: usbmisc: small clean up
usb: chipidea: usbmisc: evdo can be set e/o reset
usb: chipidea: usbmisc: evdo is only specific to OTG port
USB: serial: ftdi_sio: add Id for Physik Instrumente E-870
usb: dwc3: gadget: never call ->complete() from ->ep_queue()
usb: gadget: udc: core: update usb_ep_queue() documentation
usb: host: Remove the deprecated ATH79 USB host config options
usb: roles: Fix return value check in intel_xhci_usb_probe()
USB: gadget: f_midi: fixing a possible double-free in f_midi
usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks
usb: core: Copy parameter string correctly and remove superfluous null check
USB: announce bcdDevice as well as idVendor, idProduct.
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
usb: hub: Reduce warning to notice on power loss
USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
USB: serial: cp210x: add ELDAT Easywave RX09 id
...
Pull networking fixes from David Miller:
"This fixes some fallout from the net-next merge the other day, plus
some non-merge-window-related bug fixes:
1) Fix sparse warnings in bcmgenet, systemport, b53, and mt7530
(Florian Fainelli)
2) pptp does a bogus dst_release() on a route we have a single
refcount on, and attached to a socket, which needs that refcount
(Eric Dumazet)
3) UDP connected sockets on ipv6 can race with route update handling,
resulting in a pre-PMTU update route still stuck on the socket and
thus continuing to get ICMPV6_PKT_TOOBIG errors. We end up never
seeing the updated route. (Alexey Kodanev)
4) Missing list initializer(s) in TIPC (Jon Maloy)
5) Connect phy early to prevent crashes in lan78xx driver (Alexander
Graf)
6) Fix build with modular NVMEM (Arnd Bergmann)
7) netdevsim canot mark nsim_devlink_net_ops and nsim_fib_net_ops as
__net_initdata, as these are references from module unload
unconditionally (Arnd Bergmann)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (23 commits)
netdevsim: remove incorrect __net_initdata annotations
sfc: remove ctpio_dmabuf_start from stats
inet: frags: fix ip6frag_low_thresh boundary
tipc: Fix namespace violation in tipc_sk_fill_sock_diag
net: avoid unneeded atomic operation in ip*_append_data()
nvmem: disallow modular CONFIG_NVMEM
net: hns3: fix length overflow when CONFIG_ARM64_64K_PAGES
nfp: use full 40 bits of the NSP buffer address
lan78xx: Connect phy early
nfp: add a separate counter for packets with CHECKSUM_COMPLETE
tipc: Fix missing list initializations in struct tipc_subscription
ipv6: udp: set dst cache for a connected sk if current not valid
ipv6: udp: convert 'connected' to bool type in udpv6_sendmsg()
ipv6: allow to cache dst for a connected sk in ip6_sk_dst_lookup_flow()
ipv6: add a wrapper for ip6_dst_store() with flowi6 checks
net: phy: marvell10g: add thermal hwmon device
pptp: remove a buggy dst release in pptp_connect()
net: dsa: mt7530: Use NULL instead of plain integer
net: dsa: b53: Fix sparse warnings in b53_mmap.c
af_unix: remove redundant lockdep class
...
Pull crypto updates from Herbert Xu:
"API:
- add AEAD support to crypto engine
- allow batch registration in simd
Algorithms:
- add CFB mode
- add speck block cipher
- add sm4 block cipher
- new test case for crct10dif
- improve scheduling latency on ARM
- scatter/gather support to gcm in aesni
- convert x86 crypto algorithms to skcihper
Drivers:
- hmac(sha224/sha256) support in inside-secure
- aes gcm/ccm support in stm32
- stm32mp1 support in stm32
- ccree driver from staging tree
- gcm support over QI in caam
- add ks-sa hwrng driver"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (212 commits)
crypto: ccree - remove unused enums
crypto: ahash - Fix early termination in hash walk
crypto: brcm - explicitly cast cipher to hash type
crypto: talitos - don't leak pointers to authenc keys
crypto: qat - don't leak pointers to authenc keys
crypto: picoxcell - don't leak pointers to authenc keys
crypto: ixp4xx - don't leak pointers to authenc keys
crypto: chelsio - don't leak pointers to authenc keys
crypto: caam/qi - don't leak pointers to authenc keys
crypto: caam - don't leak pointers to authenc keys
crypto: lrw - Free rctx->ext with kzfree
crypto: talitos - fix IPsec cipher in length
crypto: Deduplicate le32_to_cpu_array() and cpu_to_le32_array()
crypto: doc - clarify hash callbacks state machine
crypto: api - Keep failed instances alive
crypto: api - Make crypto_alg_lookup static
crypto: api - Remove unused crypto_type lookup function
crypto: chelsio - Remove declaration of static function from header
crypto: inside-secure - hmac(sha224) support
crypto: inside-secure - hmac(sha256) support
..
This tag contains the new features we'd like to incorporate into the
RISC-V port for 4.17. We might have a bit more stuff land later in the
merge window, but I wanted to get this out earlier just so everyone can
see where we currently stand.
A short summary of the changes is:
* We've added support for dynamic ftrace on RISC-V targets.
* There have been a handful of cleanups to our atomic and locking
routines. They now more closely match the released RISC-V memory
model draft.
* Our module loading support has been cleaned up and is now enabled by
default, despite some limitations still existing.
* A patch to define COMMANDLINE_FORCE instead of COMMANDLINE_OVERRIDE so
the generic device tree code picks up handling all our command line
stuff.
There's more information in the merge commits for each patch set.
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Merge tag 'riscv-for-linus-4.17-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V updates from Palmer Dabbelt:
"This contains the new features we'd like to incorporate into the
RISC-V port for 4.17. We might have a bit more stuff land later in the
merge window, but I wanted to get this out earlier just so everyone
can see where we currently stand.
A short summary of the changes is:
- We've added support for dynamic ftrace on RISC-V targets.
- There have been a handful of cleanups to our atomic and locking
routines. They now more closely match the released RISC-V memory
model draft.
- Our module loading support has been cleaned up and is now enabled
by default, despite some limitations still existing.
- A patch to define COMMANDLINE_FORCE instead of COMMANDLINE_OVERRIDE
so the generic device tree code picks up handling all our command
line stuff.
There's more information in the merge commits for each patch set"
* tag 'riscv-for-linus-4.17-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: (21 commits)
RISC-V: Rename CONFIG_CMDLINE_OVERRIDE to CONFIG_CMDLINE_FORCE
RISC-V: Add definition of relocation types
RISC-V: Enable module support in defconfig
RISC-V: Support SUB32 relocation type in kernel module
RISC-V: Support ADD32 relocation type in kernel module
RISC-V: Support ALIGN relocation type in kernel module
RISC-V: Support RVC_BRANCH/JUMP relocation type in kernel modulewq
RISC-V: Support HI20/LO12_I/LO12_S relocation type in kernel module
RISC-V: Support CALL relocation type in kernel module
RISC-V: Support GOT_HI20/CALL_PLT relocation type in kernel module
RISC-V: Add section of GOT.PLT for kernel module
RISC-V: Add sections of PLT and GOT for kernel module
riscv/atomic: Strengthen implementations with fences
riscv/spinlock: Strengthen implementations with fences
riscv/barrier: Define __smp_{store_release,load_acquire}
riscv/ftrace: Add HAVE_FUNCTION_GRAPH_RET_ADDR_PTR support
riscv/ftrace: Add DYNAMIC_FTRACE_WITH_REGS support
riscv/ftrace: Add ARCH_SUPPORTS_FTRACE_OPS support
riscv/ftrace: Add dynamic function graph tracer support
riscv/ftrace: Add dynamic function tracer support
...
Nothing particularly stands out here, probably because people were tied
up with spectre/meltdown stuff last time around. Still, the main pieces
are:
- Rework of our CPU features framework so that we can whitelist CPUs that
don't require kpti even in a heterogeneous system
- Support for the IDC/DIC architecture extensions, which allow us to elide
instruction and data cache maintenance when writing out instructions
- Removal of the large memory model which resulted in suboptimal codegen
by the compiler and increased the use of literal pools, which could
potentially be used as ROP gadgets since they are mapped as executable
- Rework of forced signal delivery so that the siginfo_t is well-formed
and handling of show_unhandled_signals is consolidated and made
consistent between different fault types
- More siginfo cleanup based on the initial patches from Eric Biederman
- Workaround for Cortex-A55 erratum #1024718
- Some small ACPI IORT updates and cleanups from Lorenzo Pieralisi
- Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Nothing particularly stands out here, probably because people were
tied up with spectre/meltdown stuff last time around. Still, the main
pieces are:
- Rework of our CPU features framework so that we can whitelist CPUs
that don't require kpti even in a heterogeneous system
- Support for the IDC/DIC architecture extensions, which allow us to
elide instruction and data cache maintenance when writing out
instructions
- Removal of the large memory model which resulted in suboptimal
codegen by the compiler and increased the use of literal pools,
which could potentially be used as ROP gadgets since they are
mapped as executable
- Rework of forced signal delivery so that the siginfo_t is
well-formed and handling of show_unhandled_signals is consolidated
and made consistent between different fault types
- More siginfo cleanup based on the initial patches from Eric
Biederman
- Workaround for Cortex-A55 erratum #1024718
- Some small ACPI IORT updates and cleanups from Lorenzo Pieralisi
- Misc cleanups and non-critical fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (70 commits)
arm64: uaccess: Fix omissions from usercopy whitelist
arm64: fpsimd: Split cpu field out from struct fpsimd_state
arm64: tlbflush: avoid writing RES0 bits
arm64: cmpxchg: Include linux/compiler.h in asm/cmpxchg.h
arm64: move percpu cmpxchg implementation from cmpxchg.h to percpu.h
arm64: cmpxchg: Include build_bug.h instead of bug.h for BUILD_BUG
arm64: lse: Include compiler_types.h and export.h for out-of-line LL/SC
arm64: fpsimd: include <linux/init.h> in fpsimd.h
drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor
perf: arm_spe: include linux/vmalloc.h for vmap()
Revert "arm64: Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size)"
arm64: cpufeature: Avoid warnings due to unused symbols
arm64: Add work around for Arm Cortex-A55 Erratum 1024718
arm64: Delay enabling hardware DBM feature
arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35
arm64: capabilities: Handle shared entries
arm64: capabilities: Add support for checks based on a list of MIDRs
arm64: Add helpers for checking CPU MIDR against a range
arm64: capabilities: Clean up midr range helpers
arm64: capabilities: Change scope of VHE to Boot CPU feature
...
Pull irq updates from Thomas Gleixner:
"The usual pile of boring changes:
- Consolidate tasklet functions to share code instead of duplicating
it
- The first step for making the low level entry handler management on
multi-platform kernels generic
- A new sysfs file which allows to retrieve the wakeup state of
interrupts.
- Ensure that the interrupt thread follows the effective affinity and
not the programmed affinity to avoid cross core wakeups.
- Two new interrupt controller drivers (Microsemi Ocelot and Qualcomm
PDC)
- Fix the wakeup path clock handling for Reneasas interrupt chips.
- Rework the boot time register reset for ARM GIC-V2/3
- Better suspend/resume support for ARM GIV-V3/ITS
- Add missing locking to the ARM GIC set_type() callback
- Small fixes for the irq simulator code
- SPDX identifiers for the irq core code and removal of boiler plate
- Small cleanups all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
openrisc: Set CONFIG_MULTI_IRQ_HANDLER
arm64: Set CONFIG_MULTI_IRQ_HANDLER
genirq: Make GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER
irqchip/gic: Take lock when updating irq type
irqchip/gic: Update supports_deactivate static key to modern api
irqchip/gic-v3: Ensure GICR_CTLR.EnableLPI=0 is observed before enabling
irqchip: Add a driver for the Microsemi Ocelot controller
dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller
irqchip/gic-v3: Probe for SCR_EL3 being clear before resetting AP0Rn
irqchip/gic-v3: Don't try to reset AP0Rn
irqchip/gic-v3: Do not check trigger configuration of partitionned LPIs
genirq: Remove license boilerplate/references
genirq: Add missing SPDX identifiers
genirq/matrix: Cleanup SPDX identifier
genirq: Cleanup top of file comments
genirq: Pass desc to __irq_free instead of irq number
irqchip/gic-v3: Loudly complain about the use of IRQ_TYPE_NONE
irqchip/gic: Loudly complain about the use of IRQ_TYPE_NONE
RISC-V: Move to the new GENERIC_IRQ_MULTI_HANDLER handler
genirq: Add CONFIG_GENERIC_IRQ_MULTI_HANDLER
...
Pull time(r) updates from Thomas Gleixner:
"A small set of updates for timers and timekeeping:
- The most interesting change is the consolidation of clock MONOTONIC
and clock BOOTTIME.
Clock MONOTONIC behaves now exactly like clock BOOTTIME and does
not longer ignore the time spent in suspend. A new clock
MONOTONIC_ACTIVE is provived which behaves like clock MONOTONIC in
kernels before this change. This allows applications to
programmatically check for the clock MONOTONIC behaviour.
As discussed in the review thread, this has the potential of
breaking user space and we might have to revert this. Knock on wood
that we can avoid that exercise.
- Updates to the NTP mechanism to improve accuracy
- A new kernel internal data structure to aid the ongoing Y2038 work.
- Cleanups and simplifications of the clocksource code.
- Make the alarmtimer code play nicely with debugobjects"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
alarmtimer: Init nanosleep alarm timer on stack
y2038: Introduce struct __kernel_old_timeval
tracing: Unify the "boot" and "mono" tracing clocks
hrtimer: Unify MONOTONIC and BOOTTIME clock behavior
posix-timers: Unify MONOTONIC and BOOTTIME clock behavior
timekeeping: Remove boot time specific code
Input: Evdev - unify MONOTONIC and BOOTTIME clock behavior
timekeeping: Make the MONOTONIC clock behave like the BOOTTIME clock
timekeeping: Add the new CLOCK_MONOTONIC_ACTIVE clock
timekeeping/ntp: Determine the multiplier directly from NTP tick length
timekeeping/ntp: Don't align NTP frequency adjustments to ticks
clocksource: Use ATTRIBUTE_GROUPS
clocksource: Use DEVICE_ATTR_RW/RO/WO to define device attributes
clocksource: Don't walk the clocksource list for empty override
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random updates from Ted Ts'o:
"A few random (cough, cough) cleanups for the /dev/random driver"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
drivers/char/random.c: remove unused dont_count_entropy
random: optimize add_interrupt_randomness
random: always fill buffer in get_random_bytes_wait
random: use a tighter cap in credit_entropy_bits_safe()
robust against maliciously crafted file system images. (I still don't
recommend that container folks hold any delusions that mounting
arbitary images that can be crafted by malicious attackers should be
considered sane thing to do, though!)
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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:
"Cleanups and bugfixes for ext4, including some fixes to make ext4 more
robust against maliciously crafted file system images.
(I still don't recommend that container folks hold any delusions that
mounting arbitary images that can be crafted by malicious attackers
should be considered sane thing to do, though!)"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (29 commits)
ext4: force revalidation of directory pointer after seekdir(2)
ext4: add extra checks to ext4_xattr_block_get()
ext4: add bounds checking to ext4_xattr_find_entry()
ext4: move call to ext4_error() into ext4_xattr_check_block()
ext4: don't show data=<mode> option if defaulted
ext4: omit init_itable=n in procfs when disabled
ext4: show more binary mount options in procfs
ext4: simplify kobject usage
ext4: remove unused parameters in sysfs code
ext4: null out kobject* during sysfs cleanup
ext4: don't allow r/w mounts if metadata blocks overlap the superblock
ext4: always initialize the crc32c checksum driver
ext4: fail ext4_iget for root directory if unallocated
ext4: limit xattr size to INT_MAX
ext4: add validity checks for bitmap block numbers
ext4: fix comments in ext4_swap_extents()
ext4: use generic_writepages instead of __writepage/write_cache_pages
ext4: don't complain about incorrect features when probing
ext4: remove EXT4_STATE_DIOREAD_LOCK flag
ext4: fix offset overflow on 32-bit archs in ext4_iomap_begin()
...
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Merge tag '4.17-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
"Includes SMB3.11 security improvements, as well as various fixes for
stable and some debugging improvements"
* tag '4.17-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Add minor debug message during negprot
smb3: Fix root directory when server returns inode number of zero
cifs: fix sparse warning on previous patch in a few printks
cifs: add server->vals->header_preamble_size
cifs: smbd: disconnect transport on RDMA errors
cifs: smbd: avoid reconnect lockup
Don't log confusing message on reconnect by default
Don't log expected error on DFS referral request
fs: cifs: Replace _free_xid call in cifs_root_iget function
SMB3.1.1 dialect is no longer experimental
Tree connect for SMB3.1.1 must be signed for non-encrypted shares
fix smb3-encryption breakage when CONFIG_DEBUG_SG=y
CIFS: fix sha512 check in cifs_crypto_secmech_release
CIFS: implement v3.11 preauth integrity
CIFS: add sha512 secmech
CIFS: refactor crypto shash/sdesc allocation&free
Update README file for cifs.ko
Update TODO list for cifs.ko
cifs: fix memory leak in SMB2_open()
CIFS: SMBD: fix spelling mistake: "faield" and "legnth"
Alexey Dobriyan
Chintan Pandya
shunki-fujita
Chengguang Xu
Yiwen Jiang
Eryu Guan
Greg Kurz
Changwei Ge
piaojun
Gang He
Colin Ian King
Jia Guo
Changbin Du
Yury Norov
Mike Kravetz
Huacai Chen
Linus Torvalds