Convert xfs_trans_get_buf() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert xfs_trans_get_buf_map() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert xfs_buf_read() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert xfs_buf_get_uncached() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert xfs_buf_get() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert xfs_buf_read_map() to return numeric error codes like most
everywhere else in xfs. This involves moving the open-coded logic that
reports metadata IO read / corruption errors and stales the buffer into
xfs_buf_read_map so that the logic is all in one place.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert xfs_buf_get_map() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Convert _xfs_buf_alloc() to return numeric error codes like most
everywhere else in xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
fs/xfs/xfs_inode.c: In function 'xfs_itruncate_extents_flags':
fs/xfs/xfs_inode.c:1523:8: warning: unused variable 'done' [-Wunused-variable]
commit 4bbb04abb4 ("xfs: truncate should remove
all blocks, not just to the end of the page cache")
left behind this, so remove it.
Fixes: 4bbb04abb4 ("xfs: truncate should remove all blocks, not just to the end of the page cache")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Dan Carpenter pointed out that error is uninitialized. While there
never should be an attr leaf block with zero entries, let's not leave
that logic bomb there.
Fixes: 0bb9d159bd ("xfs: streamline xfs_attr3_leaf_inactive")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Fixes coccicheck warning:
fs/xfs/xfs_reflink.c:236:9-10: WARNING: return of 0/1 in function 'xfs_inode_need_cow' with return type bool
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
[darrick: rename the function so it doesn't sound like a predicate]
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
When log recovery is processing buffer log items, we should check that
the incoming iovec actually describes a region of memory large enough to
contain the log format and the dirty map.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Increase XFS_BLF_DATAMAP_SIZE by 1 to fill in the implied padding at the
end of struct xfs_buf_log_format. This makes the size consistent so
that we can check it in xfs_ondisk.h, and will be needed once we start
logging attribute values.
On amd64 we get the following pahole:
struct xfs_buf_log_format {
short unsigned int blf_type; /* 0 2 */
short unsigned int blf_size; /* 2 2 */
short unsigned int blf_flags; /* 4 2 */
short unsigned int blf_len; /* 6 2 */
long long int blf_blkno; /* 8 8 */
unsigned int blf_map_size; /* 16 4 */
unsigned int blf_data_map[16]; /* 20 64 */
/* --- cacheline 1 boundary (64 bytes) was 20 bytes ago --- */
/* size: 88, cachelines: 2, members: 7 */
/* padding: 4 */
/* last cacheline: 24 bytes */
};
But on i386 we get the following:
struct xfs_buf_log_format {
short unsigned int blf_type; /* 0 2 */
short unsigned int blf_size; /* 2 2 */
short unsigned int blf_flags; /* 4 2 */
short unsigned int blf_len; /* 6 2 */
long long int blf_blkno; /* 8 8 */
unsigned int blf_map_size; /* 16 4 */
unsigned int blf_data_map[16]; /* 20 64 */
/* --- cacheline 1 boundary (64 bytes) was 20 bytes ago --- */
/* size: 84, cachelines: 2, members: 7 */
/* last cacheline: 20 bytes */
};
Notice how the amd64 compiler inserts 4 bytes of padding to the end of
the structure to ensure 8-byte alignment. Prior to "xfs: fix memory
corruption during remote attr value buffer invalidation" we would try to
write to blf_data_map[17], which is harmless on amd64 but really bad on
i386.
This shouldn't cause any changes in the ondisk logging formats because
the log code writes out the log vectors with the appropriate size for
the log item's map_size, and log recovery treats the data_map array as a
VLA.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Complain if someone calls xfs_buf_item_init on a buffer that is larger
than the dirty bitmap can handle, or tries to log a region that's past
the end of the dirty bitmap.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
The only thing that can cause a nonzero return from
xfs_buf_item_get_format is if the kmem_alloc fails, which it can't.
Get rid of all the unnecessary error handling.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Now that we know we don't have to take a transaction to stale the incore
buffers for a remote value, get rid of the unnecessary memory allocation
in the leaf walker and call the rmt_stale function directly. Flatten
the loop while we're at it.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
While running generic/103, I observed what looks like memory corruption
and (with slub debugging turned on) a slub redzone warning on i386 when
inactivating an inode with a 64k remote attr value.
On a v5 filesystem, maximally sized remote attr values require one block
more than 64k worth of space to hold both the remote attribute value
header (64 bytes). On a 4k block filesystem this results in a 68k
buffer; on a 64k block filesystem, this would be a 128k buffer. Note
that even though we'll never use more than 65,600 bytes of this buffer,
XFS_MAX_BLOCKSIZE is 64k.
This is a problem because the definition of struct xfs_buf_log_format
allows for XFS_MAX_BLOCKSIZE worth of dirty bitmap (64k). On i386 when we
invalidate a remote attribute, xfs_trans_binval zeroes all 68k worth of
the dirty map, writing right off the end of the log item and corrupting
memory. We've gotten away with this on x86_64 for years because the
compiler inserts a u32 padding on the end of struct xfs_buf_log_format.
Fortunately for us, remote attribute values are written to disk with
xfs_bwrite(), which is to say that they are not logged. Fix the problem
by removing all places where we could end up creating a buffer log item
for a remote attribute value and leave a note explaining why. Next,
replace the open-coded buffer invalidation with a call to the helper we
created in the previous patch that does better checking for bad metadata
before marking the buffer stale.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Hoist the code that invalidates remote extended attribute value buffers
into a separate helper function. This prepares us for a memory
corruption fix in the next patch.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Direct I/O reads can also be used with RWF_NOWAIT & co. Fix the inode
locking in xfs_file_dio_aio_read to take IOCB_NOWAIT into account.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
xfs_check_ondisk_structs() verifies that the sizes of the data types
used by xfs are correct via the XFS_CHECK_STRUCT_SIZE() macro.
Since the structures padding can vary depending on the ABI (e.g. on
ARM OABI structures are padded to multiple of 32 bits), it may happen
that xfs_dir2_sf_entry_t size check breaks the compilation with the
assertion below:
In file included from linux/include/linux/string.h:6,
from linux/include/linux/uuid.h:12,
from linux/fs/xfs/xfs_linux.h:10,
from linux/fs/xfs/xfs.h:22,
from linux/fs/xfs/xfs_super.c:7:
In function ‘xfs_check_ondisk_structs’,
inlined from ‘init_xfs_fs’ at linux/fs/xfs/xfs_super.c:2025:2:
linux/include/linux/compiler.h:350:38:
error: call to ‘__compiletime_assert_107’ declared with attribute
error: XFS: sizeof(xfs_dir2_sf_entry_t) is wrong, expected 3
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
Restore the correct behavior adding __packed to the structure definition.
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
I observed a hang in generic/308 while running fstests on a i686 kernel.
The hang occurred when trying to purge the pagecache on a large sparse
file that had a page created past MAX_LFS_FILESIZE, which caused an
integer overflow in the pagecache xarray and resulted in an infinite
loop.
I then noticed that Linus changed the definition of MAX_LFS_FILESIZE in
commit 0cc3b0ec23 ("Clarify (and fix) MAX_LFS_FILESIZE macros") so
that it is now one page short of the maximum page index on 32-bit
kernels. Because the XFS function to compute max offset open-codes the
2005-era MAX_LFS_FILESIZE computation and neither the vfs nor mm perform
any sanity checking of s_maxbytes, the code in generic/308 can create a
page above the pagecache's limit and kaboom.
Fix all this by setting s_maxbytes to MAX_LFS_FILESIZE directly and
aborting the mount with a warning if our assumptions ever break. I have
no answer for why this seems to have been broken for years and nobody
noticed.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
xfs_itruncate_extents_flags() is supposed to unmap every block in a file
from EOF onwards. Oddly, it uses s_maxbytes as the upper limit to the
bunmapi range, even though s_maxbytes reflects the highest offset the
pagecache can support, not the highest offset that XFS supports.
The result of this confusion is that if you create a 20T file on a
64-bit machine, mount the filesystem on a 32-bit machine, and remove the
file, we leak everything above 16T. Fix this by capping the bunmapi
request at the maximum possible block offset, not s_maxbytes.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Introduce a new #define for the maximum supported file block offset.
We'll use this in the next patch to make it more obvious that we're
doing some operation for all possible inode fork mappings after a given
offset. We can't use ULLONG_MAX here because bunmapi uses that to
detect when it's done.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
We don't need to assert on !REPAIR in the stub version of
xrep_calc_ag_resblks that is called when online repair hasn't been
compiled into the kernel because none of the repair code will ever run.
Reported-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This helps to pre-simplify the extra handling of the null terminator in
delayed operations which use memcpy rather than strlen. Later
when we introduce parent pointers, attribute names will become binary,
so strlen will not work at all. Removing uses of strlen now will
help reduce complexities later
Signed-off-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
XFS_ATTR_INCOMPLETE is a flag in the on-disk attribute format, and thus
in a different namespace as the ATTR_* flags in xfs_da_args.flags.
Switch to using a XFS_DA_OP_INCOMPLETE flag in op_flags instead. Without
this users might be able to inject this flag into operations using the
attr by handle ioctl.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
We should not just invalidate the ACL when setting the underlying
attribute, but also when removing it. The ioctl interface gets that
right, but the normal xattr inteface skipped the xfs_forget_acl due
to an early return.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
While the flags field in the ABI and the on-disk format allows for
multiple namespace flags, that is a logically invalid combination that
scrub complains about. Reject it at the ioctl level, as all other
interface already get this right at higher levels.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Don't allow passing arbitrary flags as they change behavior including
memory allocation that the call stack is not prepared for.
Fixes: ddbca70cc4 ("xfs: allocate xattr buffer on demand")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Sparse warns about a shadow variable in this function after the
Fixed: commit added another int i; with larger scope. It's safe
to remove the one with the smaller scope to fix this shadow,
although the shadow itself is harmless.
Fixes: 2c813ad66a ("xfs: support btrees with overlapping intervals for keys")
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
As a preparation for removing the 32-bit time_t type and
all associated interfaces, change xfs to use time64_t and
ktime_get_real_seconds() for the quota housekeeping.
This avoids one difference between 32-bit and 64-bit kernels,
raising the theoretical limit for the quota grace period
to year 2106 on 32-bit instead of year 2038.
Note that common user space tools using the XFS quotactl
interface instead of the generic one still use the y2038
dates.
To fix quotas properly, both the on-disk format and user
space still need to be changed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The compat_time_t type has been removed everywhere else,
as most users rely on old_time32_t for both native and
compat mode handling of 32-bit time_t.
Remove the last one in xfs.
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
One important fix for RISC-V:
- Redirect any incoming syscall with an ID less than -1 to
sys_ni_syscall, rather than allowing them to fall through into the
syscall handler.
and two minor build fixes:
- Export __asm_copy_{from,to}_user() from where they are defined.
This fixes a build error triggered by some randconfigs.
- Export flush_icache_all(). I'd resisted this before, since
historically we didn't want modules to be able to flush the I$
directly; but apparently everyone else is doing it now.
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Merge tag 'riscv/for-v5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"One important fix for RISC-V:
- Redirect any incoming syscall with an ID less than -1 to
sys_ni_syscall, rather than allowing them to fall through into the
syscall handler.
and two minor build fixes:
- Export __asm_copy_{from,to}_user() from where they are defined.
This fixes a build error triggered by some randconfigs.
- Export flush_icache_all(). I'd resisted this before, since
historically we didn't want modules to be able to flush the I$
directly; but apparently everyone else is doing it now"
* tag 'riscv/for-v5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: export flush_icache_all to modules
riscv: reject invalid syscalls below -1
riscv: fix compile failure with EXPORT_SYMBOL() & !MMU
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Merge tag 'locks-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull /proc/locks formatting fix from Jeff Layton:
"This is a trivial fix for a _very_ long standing bug in /proc/locks
formatting. Ordinarily, I'd wait for the merge window for something
like this, but it is making it difficult to validate some overlayfs
fixes.
I've also gone ahead and marked this for stable"
* tag 'locks-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: print unsigned ino in /proc/locks
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Merge tag '5.5-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"One performance fix for large directory searches, and one minor style
cleanup noticed by Clang"
* tag '5.5-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Optimize readdir on reparse points
cifs: Adjust indentation in smb2_open_file
An ino is unsigned, so display it as such in /proc/locks.
Cc: stable@vger.kernel.org
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
This is needed by LKDTM (crash dump test module), it calls
flush_icache_range(), which on RISC-V turns into flush_icache_all(). On
other architectures, the actual implementation is exported, so follow
that precedence and export it here too.
Fixes build of CONFIG_LKDTM that fails with:
ERROR: "flush_icache_all" [drivers/misc/lkdtm/lkdtm.ko] undefined!
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Running "stress-ng --enosys 4 -t 20 -v" showed a large number of kernel oops
with "Unable to handle kernel paging request at virtual address" message. This
happens when enosys stressor starts testing random non-valid syscalls.
I forgot to redirect any syscall below -1 to sys_ni_syscall.
With the patch kernel oops messages are gone while running stress-ng enosys
stressor.
Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
Fixes: 5340627e3f ("riscv: add support for SECCOMP and SECCOMP_FILTER")
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
When support for !MMU was added, the declaration of
__asm_copy_to_user() & __asm_copy_from_user() were #ifdefed
out hence their EXPORT_SYMBOL() give an error message like:
.../riscv_ksyms.c:13:15: error: '__asm_copy_to_user' undeclared here
.../riscv_ksyms.c:14:15: error: '__asm_copy_from_user' undeclared here
Since these symbols are not defined with !MMU it's wrong to export them.
Same for __clear_user() (even though this one is also declared in
include/asm-generic/uaccess.h and thus doesn't give an error message).
Fix this by doing the EXPORT_SYMBOL() directly where these symbols
are defined: inside lib/uaccess.S itself.
Fixes: 6bd33e1ece ("riscv: fix compile failure with EXPORT_SYMBOL() & !MMU")
Reported-by: kbuild test robot <lkp@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Four fixes and one spelling update, all in drivers: 2 in lpfc and the
rest in mp3sas, cxgbi and target.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four fixes and one spelling update, all in drivers: two in lpfc and
the rest in mp3sas, cxgbi and target"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target/iblock: Fix protection error with blocks greater than 512B
scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
scsi: lpfc: fix spelling mistakes of asynchronous
scsi: lpfc: fix build failure with DEBUGFS disabled
scsi: mpt3sas: Fix double free in attach error handling
i915:
- power management rc6 fix
- framebuffer tracking fix
- display power management ratelimit fix
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Merge tag 'drm-fixes-2019-12-28' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Post-xmas food coma recovery fixes. Only three fixes for i915 since I
expect most people are holidaying.
i915:
- power management rc6 fix
- framebuffer tracking fix
- display power management ratelimit fix"
* tag 'drm-fixes-2019-12-28' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Hold reference to intel_frontbuffer as we track activity
drm/i915/gt: Ratelimit display power w/a
drm/i915/pmu: Ensure monotonic rc6
This Kselftest update for Linux 5.5-rc4 consists of:
-- rseq build failures fixes related to glibc 2.30 compatibility
from Mathieu Desnoyers
-- Kunit fixes and cleanups from SeongJae Park
-- Fixes to filesystems/epoll, firmware, and livepatch build failures
and skip handling.
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Merge tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- rseq build failures fixes related to glibc 2.30 compatibility from
Mathieu Desnoyers
- Kunit fixes and cleanups from SeongJae Park
- Fixes to filesystems/epoll, firmware, and livepatch build failures
and skip handling.
* tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
rseq/selftests: Clarify rseq_prepare_unload() helper requirements
rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30
rseq/selftests: Turn off timeout setting
kunit/kunit_tool_test: Test '--build_dir' option run
kunit: Rename 'kunitconfig' to '.kunitconfig'
kunit: Place 'test.log' under the 'build_dir'
kunit: Create default config in '--build_dir'
kunit: Remove duplicated defconfig creation
docs/kunit/start: Use in-tree 'kunit_defconfig'
selftests: livepatch: Fix it to do root uid check and skip
selftests: firmware: Fix it to do root uid check and skip
selftests: filesystems/epoll: fix build error
Fix compile test of the Tegra devfreq driver (Arnd Bergmann)
and remove redundant Kconfig dependencies from multiple devfreq
drivers (Leonard Crestez).
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Merge tag 'pm-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix compile test of the Tegra devfreq driver (Arnd Bergmann) and
remove redundant Kconfig dependencies from multiple devfreq drivers
(Leonard Crestez)"
* tag 'pm-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: tegra: Add COMMON_CLK dependency
PM / devfreq: Drop explicit selection of PM_OPP
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Merge tag 'io_uring-5.5-20191226' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Removal of now unused busy wqe list (Hillf)
- Add cond_resched() to io-wq work processing (Hillf)
- And then the series that I hinted at from last week, which removes
the sqe from the io_kiocb and keeps all sqe handling on the prep
side. This guarantees that an opcode can't do the wrong thing and
read the sqe more than once. This is unchanged from last week, no
issues have been observed with this in testing. Hence I really think
we should fold this into 5.5.
* tag 'io_uring-5.5-20191226' of git://git.kernel.dk/linux-block:
io-wq: add cond_resched() to worker thread
io-wq: remove unused busy list from io_sqe
io_uring: pass in 'sqe' to the prep handlers
io_uring: standardize the prep methods
io_uring: read 'count' for IORING_OP_TIMEOUT in prep handler
io_uring: move all prep state for IORING_OP_{SEND,RECV}_MGS to prep handler
io_uring: move all prep state for IORING_OP_CONNECT to prep handler
io_uring: add and use struct io_rw for read/writes
io_uring: use u64_to_user_ptr() consistently
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Merge tag 'libata-5.5-20191226' of git://git.kernel.dk/linux-block
Pull libata fixes from Jens Axboe:
"Two things in here:
- First half of a series that fixes ahci_brcm, also marked for
stable. The other part of the series is going into 5.6 (Florian)
- sata_nv regression fix that is also marked for stable (Sascha)"
* tag 'libata-5.5-20191226' of git://git.kernel.dk/linux-block:
ata: ahci_brcm: Add missing clock management during recovery
ata: ahci_brcm: BCM7425 AHCI requires AHCI_HFLAG_DELAY_ENGINE
ata: ahci_brcm: Fix AHCI resources management
ata: libahci_platform: Export again ahci_platform_<en/dis>able_phys()
libata: Fix retrieving of active qcs
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Merge tag 'block-5.5-20191226' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Only thing here are the changes from Arnd from last week, which now
have the appropriate header include to ensure they actually compile if
COMPAT is enabled"
* tag 'block-5.5-20191226' of git://git.kernel.dk/linux-block:
compat_ioctl: block: handle Persistent Reservations
compat_ioctl: block: handle add zone open, close and finish ioctl
compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES
compat_ioctl: block: handle BLKREPORTZONE/BLKRESETZONE
pktcdvd: fix regression on 64-bit architectures
- Fix the build for the Xtensa driver.
- Make sure to set up the parent device for mpc8xxx.
- Clarify the look-up error message.
- Fix the usage of the line direction in the mockup device.
- Fix a type warning on the Aspeed driver.
- Remove the pointless __exit annotation on the xgs-iproc which
is causing a compilation problem.
- Fix up emultation of open drain outputs .get_direction()
- Fix the IRQ callbacks on the PCA953xx to use bitops and
work properly.
- Fix the Kconfig on the Tegra driver.
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Merge tag 'gpio-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A set of fixes for the v5.5 series:
- Fix the build for the Xtensa driver.
- Make sure to set up the parent device for mpc8xxx.
- Clarify the look-up error message.
- Fix the usage of the line direction in the mockup device.
- Fix a type warning on the Aspeed driver.
- Remove the pointless __exit annotation on the xgs-iproc which is
causing a compilation problem.
- Fix up emultation of open drain outputs .get_direction()
- Fix the IRQ callbacks on the PCA953xx to use bitops and work
properly.
- Fix the Kconfig on the Tegra driver"
* tag 'gpio-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tegra186: Allow building on Tegra194-only configurations
gpio: pca953x: Switch to bitops in IRQ callbacks
gpiolib: fix up emulated open drain outputs
MAINTAINERS: Append missed file to the database
gpio: xgs-iproc: remove __exit annotation for iproc_gpio_remove
gpio: aspeed: avoid return type warning
gpio: mockup: Fix usage of new GPIO_LINE_DIRECTION
gpio: Fix error message on out-of-range GPIO in lookup table
gpio: mpc8xxx: Add platform device to gpiochip->parent
gpio: xtensa: fix driver build
The downstream implementation of ahci_brcm.c did contain clock
management recovery, but until recently, did that outside of the
libahci_platform helpers and this was unintentionally stripped out while
forward porting the patch upstream.
Add the missing clock management during recovery and sleep for 10
milliseconds per the design team recommendations to ensure the SATA PHY
controller and AFE have been fully quiesced.
Fixes: eb73390ae2 ("ata: ahci_brcm: Recover from failures to identify devices")
Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Darrick J. Wong