If we have to split a log write because it wraps the end of the log we
can't just use REQ_PREFLUSH to flush before the first log write,
as the writes might get reordered somewhere in the I/O stack. Issue
a manual flush in that case so that the ordering of the two log I/Os
doesn't matter.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This value is the only flag in ic_state, which we otherwise use as
a state. Switch it to a new debug-only field and also report and
actual error in the buffer in the I/O completion path.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reformat xlog_get_lowest_lsn to our usual style.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
We don't really need all the messy branches in the function, as it
really does three things, out of which 2 are common for all branches:
1) set up mount point log buffer size and count values if not already
done from mount options
2) calculate the number of log headers
3) set up all the values in struct xlog based on the above
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This field is never used, so we can simply kill it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Rename the function to kmem_to_page and move it to kmem.h together
with our kmem_large allocator that may either return kmalloced or
vmalloc pages.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Assining a numerical value that is not close to the flags
defined near by is just asking for conflicts later on.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The inode geometry structure isn't related to ondisk format; it's
support for the mount structure. Move it to xfs_shared.h.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Claim maintainership over the miscellaneous files outside of fs/xfs/
that came from xfs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
There are several functions which take a flag argument that is
only ever passed as "0," so remove these arguments.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The field is only used for a few assertations. Shrink the dqout
structure instead, similarly to what commit f3ca87389d
("xfs: remove i_transp") did for the xfs_inode.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
xfs_buf_zero is the only caller of xfs_buf_iomove. Remove support
for copying from or to the buffer in xfs_buf_iomove and merge the
two functions.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The flags value is always passed as 0 so remove the argument.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The XFS_BUILD_OPTIONS string, shown at module init time and
in modinfo output, does not currently include all available
build options. So, add in CONFIG_XFS_WARN and CONFIG_XFS_REPAIR.
It has been suggested in some quarters
That this is not enough.
Well ...
Anybody who would like to see this in a sysfs file can send
a patch. :)
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Finish converting all the old inode_cluster_size >> inopblog users to
inodes_per_cluster.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
inode_cluster_size is supposed to represent the size (in bytes) of an
inode cluster buffer. We avoid having to handle multiple clusters per
filesystem block on filesystems with large blocks by openly rounding
this value up to 1 FSB when necessary. However, we never reset
inode_cluster_size to reflect this new rounded value, which adds to the
potential for mistakes in calculating geometries.
Fix this by setting inode_cluster_size to reflect the rounded-up size if
needed, and special-case the few places in the sparse inodes code where
we actually need the smaller value to validate on-disk metadata.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Migrate all of the inode geometry setup code from xfs_mount.c into a
single libxfs function that we can share with xfsprogs.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Separate the inode geometry information into a distinct structure.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Like ->write_iter(), we update mtime and strip setuid of dst file before
copy and like ->read_iter(), we update atime of src file after copy.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
We want to enable cross-filesystem copy_file_range functionality
where possible, so push the "same superblock only" checks down to
the individual filesystem callouts so they can make their own
decisions about cross-superblock copy offload and fallack to
generic_copy_file_range() for cross-superblock copy.
[Amir] We do not call ->remap_file_range() in case the files are not
on the same sb and do not call ->copy_file_range() in case the files
do not belong to the same filesystem driver.
This changes behavior of the copy_file_range(2) syscall, which will
now allow cross filesystem in-kernel copy. CIFS already supports
cross-superblock copy, between two shares to the same server. This
functionality will now be available via the copy_file_range(2) syscall.
Cc: Steve French <stfrench@microsoft.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Note that by using the helper, the order of calling file_remove_privs()
after file_update_mtime() in xfs_file_aio_write_checks() has changed.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The combination of file_remove_privs() and file_update_mtime() is
quite common in filesystem ->write_iter() methods.
Modelled after the helper file_accessed(), introduce file_modified()
and use it from generic_remap_file_range_prep().
Note that the order of calling file_remove_privs() before
file_update_mtime() in the helper was matched to the more common order by
filesystems and not the current order in generic_remap_file_range_prep().
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Like the clone and dedupe interfaces we've recently fixed, the
copy_file_range() implementation is missing basic sanity, limits and
boundary condition tests on the parameters that are passed to it
from userspace. Create a new "generic_copy_file_checks()" function
modelled on the generic_remap_checks() function to provide this
missing functionality.
[Amir] Shorten copy length instead of checking pos_in limits
because input file size already abides by the limits.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
The access limit checks on input file range in generic_remap_checks()
are redundant because the input file size is guaranteed to be within
limits and pos+len are already checked to be within input file size.
Beyond the fact that the check cannot fail, if it would have failed,
it could return -EFBIG for input file range error. There is no precedent
for that. -EFBIG is returned in syscalls that would change file length.
With that call removed, we can fold generic_access_check_limits() into
generic_write_check_limits().
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Factor out helper with some checks on in/out file that are
common to clone_file_range and copy_file_range.
Suggested-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Now that we have generic_copy_file_range(), remove it as a fallback
case when offloads fail. This puts the responsibility for executing
fallbacks on the filesystems that implement ->copy_file_range and
allows us to add operational validity checks to
generic_copy_file_range().
Rework vfs_copy_file_range() to call a new do_copy_file_range()
helper to execute the copying callout, and move calls to
generic_file_copy_range() into filesystem methods where they
currently return failures.
[Amir] overlayfs is not responsible of executing the fallback.
It is the responsibility of the underlying filesystem.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Right now if vfs_copy_file_range() does not use any offload
mechanism, it falls back to calling do_splice_direct(). This fails
to do basic sanity checks on the files being copied. Before we
start adding this necessarily functionality to the fallback path,
separate it out into generic_copy_file_range().
generic_copy_file_range() has the same prototype as
->copy_file_range() so that filesystems can use it in their custom
->copy_file_range() method if they so choose.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
when iput_final() needs to wait for in-flight I/O (e.g. readahead) and
a fixup for a cleanup that went into -rc1.
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Merge tag 'ceph-for-5.2-rc4' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A change to call iput() asynchronously to avoid a possible deadlock
when iput_final() needs to wait for in-flight I/O (e.g. readahead) and
a fixup for a cleanup that went into -rc1"
* tag 'ceph-for-5.2-rc4' of git://github.com/ceph/ceph-client:
ceph: fix error handling in ceph_get_caps()
ceph: avoid iput_final() while holding mutex or in dispatch thread
ceph: single workqueue for inode related works
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Merge tag 'for-linus-5.2b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"Just one fix for the Xen block frontend driver avoiding allocations
with order > 0"
* tag 'for-linus-5.2b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen-blkfront: switch kcalloc to kvcalloc for large array allocation
- fix stack unwinder: the stack unwinder rework has on off-by-one bug
which prevents following stack backchains over more than one
context (e.g. irq -> process).
- fix address space detection in exception handler: if user space
switches to access register mode, which is not supported anymore,
the exception handler may resolve to the wrong address space.
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Merge tag 's390-5.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- fix stack unwinder: the stack unwinder rework has on off-by-one bug
which prevents following stack backchains over more than one context
(e.g. irq -> process).
- fix address space detection in exception handler: if user space
switches to access register mode, which is not supported anymore, the
exception handler may resolve to the wrong address space.
* tag 's390-5.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/unwind: correct stack switching during unwind
s390/mm: fix address space detection in exception handling
- Declare ginvt() __always_inline due to its use of an argument as an
inline asm immediate.
- A VDSO build fix following Kbuild changes made this cycle.
- A fix for boot failures on txx9 systems following memory
initialization changes made this cycle.
- Bounds check virt_addr_valid() to prevent it spuriously indicating
that bogus addresses are valid, in turn fixing hardened usercopy
failures that have been present since v4.12.
- Build uImage.gz for pistachio systems by default, since this is the
image we need in order to actually boot on a board.
- Remove an unused variable in our uprobes code.
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Merge tag 'mips_fixes_5.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
- Declare ginvt() __always_inline due to its use of an argument as an
inline asm immediate.
- A VDSO build fix following Kbuild changes made this cycle.
- A fix for boot failures on txx9 systems following memory
initialization changes made this cycle.
- Bounds check virt_addr_valid() to prevent it spuriously indicating
that bogus addresses are valid, in turn fixing hardened usercopy
failures that have been present since v4.12.
- Build uImage.gz for pistachio systems by default, since this is the
image we need in order to actually boot on a board.
- Remove an unused variable in our uprobes code.
* tag 'mips_fixes_5.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: uprobes: remove set but not used variable 'epc'
MIPS: pistachio: Build uImage.gz by default
MIPS: Make virt_addr_valid() return bool
MIPS: Bounds check virt_addr_valid
MIPS: TXx9: Fix boot crash in free_initmem()
MIPS: remove a space after -I to cope with header search paths for VDSO
MIPS: mark ginvt() as __always_inline
Another round of SPDX header file fixes for 5.2-rc4
These are all more "GPL-2.0-or-later" or "GPL-2.0-only" tags being
added, based on the text in the files. We are slowly chipping away at
the 700+ different ways people tried to write the license text. All of
these were reviewed on the spdx mailing list by a number of different
people.
We now have over 60% of the kernel files covered with SPDX tags:
$ ./scripts/spdxcheck.py -v 2>&1 | grep Files
Files checked: 64533
Files with SPDX: 40392
Files with errors: 0
I think the majority of the "easy" fixups are now done, it's now the
start of the longer-tail of crazy variants to wade through.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull yet more SPDX updates from Greg KH:
"Another round of SPDX header file fixes for 5.2-rc4
These are all more "GPL-2.0-or-later" or "GPL-2.0-only" tags being
added, based on the text in the files. We are slowly chipping away at
the 700+ different ways people tried to write the license text. All of
these were reviewed on the spdx mailing list by a number of different
people.
We now have over 60% of the kernel files covered with SPDX tags:
$ ./scripts/spdxcheck.py -v 2>&1 | grep Files
Files checked: 64533
Files with SPDX: 40392
Files with errors: 0
I think the majority of the "easy" fixups are now done, it's now the
start of the longer-tail of crazy variants to wade through"
* tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (159 commits)
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 449
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 448
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 444
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 443
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 442
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 440
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 438
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 437
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 436
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 435
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 434
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 433
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 431
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 430
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 429
...
Here are some small char and misc driver fixes for 5.2-rc4 to resolve a
number of reported issues.
The most "notable" one here is the kernel headers in proc^Wsysfs fixes.
Those changes move the header file info into sysfs and fixes the build
issues that you reported.
Other than that, a bunch of small habanalabs driver fixes, some fpga
driver fixes, and a few other tiny driver fixes.
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 'char-misc-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for 5.2-rc4 to resolve
a number of reported issues.
The most "notable" one here is the kernel headers in proc^Wsysfs
fixes. Those changes move the header file info into sysfs and fixes
the build issues that you reported.
Other than that, a bunch of small habanalabs driver fixes, some fpga
driver fixes, and a few other tiny driver fixes.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
habanalabs: Read upper bits of trace buffer from RWPHI
habanalabs: Fix virtual address access via debugfs for 2MB pages
fpga: zynqmp-fpga: Correctly handle error pointer
habanalabs: fix bug in checking huge page optimization
habanalabs: Avoid using a non-initialized MMU cache mutex
habanalabs: fix debugfs code
uapi/habanalabs: add opcode for enable/disable device debug mode
habanalabs: halt debug engines on user process close
test_firmware: Use correct snprintf() limit
genwqe: Prevent an integer overflow in the ioctl
parport: Fix mem leak in parport_register_dev_model
fpga: dfl: expand minor range when registering chrdev region
fpga: dfl: Add lockdep classes for pdata->lock
fpga: dfl: afu: Pass the correct device to dma_mapping_error()
fpga: stratix10-soc: fix use-after-free on s10_init()
w1: ds2408: Fix typo after 49695ac468 (reset on output_write retry with readback)
kheaders: Do not regenerate archive if config is not changed
kheaders: Move from proc to sysfs
lkdtm/bugs: Adjust recursion test to avoid elision
lkdtm/usercopy: Moves the KERNEL_DS test to non-canonical
Pull i2c fixes from Wolfram Sang:
"I2C has a driver bugfix and a MAINTAINERS fix"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Karthikeyan Ramasubramanian is MIA
i2c: xiic: Add max_read_len quirk
The fixes for this round are in drivers:
- jz4780 transfer fix for acking descriptors early
- fsl-qdma: clean registers on error
- dw-axi-dmac: null pointer dereference fix
- mediatek-cqdma: fix sleeping in atomic context
- tegra210-adma: fix bunch os issues like crashing in driver
probe, channel FIFO configuration etc.
- sprd: Fixes for possible crash on descriptor status, block
length overflow. For 2-stage transfer fix incorrect start,
configuration and interrupt handling.
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Merge tag 'dmaengine-fix-5.2-rc4' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
- jz4780 transfer fix for acking descriptors early
- fsl-qdma: clean registers on error
- dw-axi-dmac: null pointer dereference fix
- mediatek-cqdma: fix sleeping in atomic context
- tegra210-adma: fix bunch os issues like crashing in driver probe,
channel FIFO configuration etc.
- sprd: Fixes for possible crash on descriptor status, block length
overflow. For 2-stage transfer fix incorrect start, configuration and
interrupt handling.
* tag 'dmaengine-fix-5.2-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: sprd: Add interrupt support for 2-stage transfer
dmaengine: sprd: Fix the right place to configure 2-stage transfer
dmaengine: sprd: Fix block length overflow
dmaengine: sprd: Fix the incorrect start for 2-stage destination channels
dmaengine: sprd: Add validation of current descriptor in irq handler
dmaengine: sprd: Fix the possible crash when getting descriptor status
dmaengine: tegra210-adma: Fix spelling
dmaengine: tegra210-adma: Fix channel FIFO configuration
dmaengine: tegra210-adma: Fix crash during probe
dmaengine: mediatek-cqdma: sleeping in atomic context
dmaengine: dw-axi-dmac: fix null dereference when pointer first is null
dmaengine: fsl-qdma: Add improvement
dmaengine: jz4780: Fix transfers being ACKed too soon
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Merge tag 'for-linus-20190608' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Allow symlink from the bfq.weight cgroup parameter to the general
weight (Angelo)
- Damien is new skd maintainer (Bart)
- NVMe pull request from Sagi, with a few small fixes.
- Ensure we set DMA segment size properly, dma-debug is now tripping on
these (Christoph)
- Remove useless debugfs_create() return check (Greg)
- Remove redundant unlikely() check on IS_ERR() (Kefeng)
- Fixup request freeing on exit (Ming)
* tag 'for-linus-20190608' of git://git.kernel.dk/linux-block:
block, bfq: add weight symlink to the bfq.weight cgroup parameter
cgroup: let a symlink too be created with a cftype file
block: free sched's request pool in blk_cleanup_queue
nvme-rdma: use dynamic dma mapping per command
nvme: Fix u32 overflow in the number of namespace list calculation
mmc: also set max_segment_size in the device
mtip32xx: also set max_segment_size in the device
rsxx: don't call dma_set_max_seg_size
nvme-pci: don't limit DMA segement size
block: Drop unlikely before IS_ERR(_OR_NULL)
block: aoe: no need to check return value of debugfs_create functions
nvmet: fix data_len to 0 for bdev-backed write_zeroes
MAINTAINERS: Hand over skd maintainership
nvme-tcp: fix queue mapping when queue count is limited
nvme-rdma: fix queue mapping when queue count is limited
Two bug fixes, both for fairly serious problems; the UFS one looks
like it could be used to exfiltrate data from the kernel, although
probably only a privileged user has access to the command management
interface and the missing unlock in smartpqi is long standing and
probably a little used error path.
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:
"Two bug fixes, both for fairly serious problems; the UFS one looks
like it could be used to exfiltrate data from the kernel, although
probably only a privileged user has access to the command management
interface and the missing unlock in smartpqi is long standing and
probably a little used error path"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous()
scsi: ufs: Check that space was properly alloced in copy_query_response
This Kselftest second fixes update for Linux 5.2-rc4 consists of a single
fix for vm test build failure regression when it is built by itself.
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Merge tag 'linux-kselftest-5.2-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"This consists of a single fix for a vm test build failure regression
when it is built by itself"
* tag 'linux-kselftest-5.2-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: vm: Fix test build failure when built by itself
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Merge tag 'drm-fixes-2019-06-07-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"A small bit more lively this week but not majorly so. I'm away in
Japan next week for family holiday, so I'll be pretty disconnected,
I've asked Daniel to do fixes for the week while I'm out.
The nouveau firmware changes are a bit large, but they address a big
problem where a whole set of boards don't load with the driver, and
the new firmware fixes that, so I think it's worth trying to land it
now.
core:
- Allow fb changes in async commits (drivers as well)
udmabuf:
- Unmap scatterlist when unmapping udmabuf
nouveau:
- firmware loading fixes for secboot firmware on new GPU revision.
komeda:
- oops, dma mapping and warning fixes
arm-hdlcd:
- clock fixes
- mode validation fix
i915:
- Add a missing Icelake workaround
- GVT - DMA map fault fix and enforcement fixes
amdgpu:
- DCE resume fix
- New raven variation updates"
* tag 'drm-fixes-2019-06-07-1' of git://anongit.freedesktop.org/drm/drm: (33 commits)
drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards
drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW
drm/nouveau/secboot: split out FW version-specific LS function pointers
drm/nouveau/secboot: pass max supported FW version to LS load funcs
drm/nouveau/core: support versioned firmware loading
drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device
drm/komeda: Potential error pointer dereference
drm/komeda: remove set but not used variable 'kcrtc'
drm/amd/amdgpu: add RLC firmware to support raven1 refresh
drm/amd/powerplay: add set_power_profile_mode for raven1_refresh
drm/amdgpu: fix ring test failure issue during s3 in vce 3.0 (V2)
udmabuf: actually unmap the scatterlist
drm/arm/hdlcd: Allow a bit of clock tolerance
drm/arm/hdlcd: Actually validate CRTC modes
drm/arm/mali-dp: Add a loop around the second set CVAL and try 5 times
drm/komeda: fixing of DMA mapping sg segment warning
drm: don't block fb changes for async plane updates
drm/vc4: fix fb references in async update
drm/msm: fix fb references in async update
drm/amd: fix fb references in async update
...
A mail just bounced back with "user unknown":
550 5.1.1 <kramasub@codeaurora.org> User doesn't exist
I also couldn't find a more recent address in git history. So, remove
this stale entry.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This driver does not support reading more than 255 bytes at once because
the register for storing the number of bytes to read is only 8 bits. Add
a max_read_len quirk to enforce this.
This was found when using this driver with the SFP driver, which was
previously reading all 256 bytes in the SFP EEPROM in one transaction.
This caused a bunch of hard-to-debug errors in the xiic driver since the
driver/logic was treating the number of bytes to read as zero.
Rejecting transactions that aren't supported at least allows the problem
to be diagnosed more easily.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
Fix a couple of inconsistencies and locking problems in pmbus driver.
Register with thermal subsystem only on systems supporting devicetree.
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Merge tag 'hwmon-for-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix a couple of inconsistencies and locking problems in pmbus driver
- Register with thermal subsystem only on systems supporting devicetree
* tag 'hwmon-for-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
hwmon: (pmbus/core) mutex_lock write in pmbus_set_samples
hwmon: (core) add thermal sensors only if dev->of_node is present
The lockref cmpxchg loop is unbound as long as the spinlock is not
taken. Depending on the hardware implementation of compare-and-swap
a high number of loop retries might happen.
Add an upper bound to the loop to force the fallback to spinlocks
after some time. A retry value of 100 should not impact any hardware
that does not have this issue.
With the retry limit the performance of an open-close testcase
improved between 60-70% on ThunderX2.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jan Glauber <jglauber@marvell.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Architectures that support memory tagging have a need to perform untagging
(stripping the tag) in various parts of the kernel. This patch adds an
untagged_addr() macro, which is defined as noop for architectures that do
not support memory tagging. The oncoming patch series will define it at
least for sparc64 and arm64.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- fix section mismatch between memblock_reserve and mem_reserve. This
fixes tinyconfig xtensa builds.
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Merge tag 'xtensa-20190607' of git://github.com/jcmvbkbc/linux-xtensa
Pull xtensa fix from Max Filippov:
"Fix a section mismatch between memblock_reserve and mem_reserve.
This fixes tinyconfig xtensa builds"
* tag 'xtensa-20190607' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: Fix section mismatch between memblock_reserve and mem_reserve
Pull NVMe fixes from Sagi.
* 'nvme-5.2-rc-next' of git://git.infradead.org/nvme:
nvme-rdma: use dynamic dma mapping per command
nvme: Fix u32 overflow in the number of namespace list calculation
nvmet: fix data_len to 0 for bdev-backed write_zeroes
nvme-tcp: fix queue mapping when queue count is limited
nvme-rdma: fix queue mapping when queue count is limited
- fix kselftest-merge to find config fragments in deeper directories
- fix kconfig unit test, which was broken by SPDX tag addition
- add + prefix to buildtar to suppress jobserver unavailable warning
- fix checkstack.pl to recognize arch=arm64
- suppress noisy warning from cc-cross-prefix
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Merge tag 'kbuild-fixes-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild fixes from Masahiro Yamada:
- fix kselftest-merge to find config fragments in deeper directories
- fix kconfig unit test, which was broken by SPDX tag addition
- add + prefix to buildtar to suppress jobserver unavailable warning
- fix checkstack.pl to recognize arch=arm64
- suppress noisy warning from cc-cross-prefix
* tag 'kbuild-fixes-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: use more portable 'command -v' for cc-cross-prefix
scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
kbuild: tar-pkg: enable communication with jobserver
kconfig: tests: fix recursive inclusion unit test
kbuild: teach kselftest-merge to find nested config files
