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Jens Axboe 25a2de679b io_uring: use bottom half safe lock for fixed file data 
commit ac0648a56c1ff66c1cbf735075ad33a26cbc50de upstream.

io_file_data_ref_zero() can be invoked from soft-irq from the RCU core,
hence we need to ensure that the file_data lock is bottom half safe. Use
the _bh() variants when grabbing this lock.

Reported-by: syzbot+1f4ba1e5520762c523c6@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-06 14:56:50 +01:00
arch
mm: memmap defer init doesn't work as expected
2021-01-06 14:56:50 +01:00
block
scsi: block: Fix a race in the runtime power management code
2021-01-06 14:56:50 +01:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
crypto: ecdh - avoid unaligned accesses in ecdh_set_secret()
2020-12-30 11:54:10 +01:00
Documentation
x86/CPU/AMD: Save AMD NodeId as cpu_die_id
2020-12-30 11:54:29 +01:00
drivers
opp: Call the missing clk_put() on error
2021-01-06 14:56:49 +01:00
fs
io_uring: use bottom half safe lock for fixed file data
2021-01-06 14:56:50 +01:00
include
mm: memmap defer init doesn't work as expected
2021-01-06 14:56:50 +01:00
init
initramfs: fix clang build failure
2020-12-11 14:02:14 -08:00
ipc
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
2020-09-05 12:14:29 -07:00
kernel
Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS"
2020-12-30 11:54:29 +01:00
lib
lib/zlib: fix inflating zlib streams on s390
2021-01-06 14:56:50 +01:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
mm: memmap defer init doesn't work as expected
2021-01-06 14:56:50 +01:00
net
ethtool: fix string set id check
2021-01-06 14:56:48 +01:00
samples
samples/bpf: Fix possible hang in xdpsock with multiple threads
2020-12-30 11:53:49 +01:00
scripts
kconfig: fix return value of do_error_if()
2020-12-30 11:54:01 +01:00
security
ima: Don't modify file descriptor mode on the fly
2020-12-30 11:54:17 +01:00
sound
ASoC: AMD Raven/Renoir - fix the PCI probe (PCI revision)
2020-12-30 11:54:09 +01:00
tools
perf probe: Fix memory leak when synthesizing SDT probes
2020-12-30 11:54:02 +01:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
kvm: x86/mmu: Support dirty logging for the TDP MMU
2020-10-23 03:42:13 -04:00
.clang-format
RDMA 5.10 pull request
2020-10-17 11:18:18 -07:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: docs: ignore sphinx_*/ directories
2020-09-10 10:44:31 -06:00
.mailmap
mailmap: add two more addresses of Uwe Kleine-König
2020-12-06 10:19:07 -08:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Jason Cooper to CREDITS
2020-11-30 10:20:34 +01:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-12-10 15:30:13 -08:00
Makefile
Linux 5.10.4
2020-12-30 11:54:29 +01:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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