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Filename Latest commit message Latest commit date
Yang Jihong fe783eeac4 blktrace: Fix output non-blktrace event when blk_classic option enabled
[ Upstream commit f596da3efaf4130ff61cd029558845808df9bf99 ]

When the blk_classic option is enabled, non-blktrace events must be
filtered out. Otherwise, events of other types are output in the blktrace
classic format, which is unexpected.

The problem can be triggered in the following ways:

  # echo 1 > /sys/kernel/debug/tracing/options/blk_classic
  # echo 1 > /sys/kernel/debug/tracing/events/enable
  # echo blk > /sys/kernel/debug/tracing/current_tracer
  # cat /sys/kernel/debug/tracing/trace_pipe

Fixes: c71a896154 ("blktrace: add ftrace plugin")
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Link: https://lore.kernel.org/r/20221122040410.85113-1-yangjihong1@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-18 11:41:13 +01:00
arch MIPS: OCTEON: warn only once if deprecated link status is being used 2023-01-18 11:40:58 +01:00
block block: unhash blkdev part inode when the part is deleted 2022-12-19 12:24:16 +01:00
certs
crypto
Documentation ASoC: dt-bindings: wcd9335: fix reset line polarity in example 2023-01-18 11:41:06 +01:00
drivers wifi: brcmfmac: Fix error return code in brcmf_sdio_download_firmware() 2023-01-18 11:41:12 +01:00
fs NFSv4.x: Fail client initialisation if state manager thread can't run 2023-01-18 11:41:10 +01:00
include bonding: Rename slave_arr to usable_slaves 2023-01-18 11:41:05 +01:00
init
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:23:06 +01:00
kernel blktrace: Fix output non-blktrace event when blk_classic option enabled 2023-01-18 11:41:13 +01:00
lib lib/notifier-error-inject: fix error when writing -errno to debugfs file 2023-01-18 11:40:55 +01:00
LICENSES
mm mm/hugetlb: fix races when looking up a CONT-PTE/PMD size hugetlb page 2022-12-19 12:24:15 +01:00
net SUNRPC: Fix missing release socket in rpc_sockname() 2023-01-18 11:41:10 +01:00
samples
scripts
security ima: Fix misuse of dereference of pointer in template_desc_init_fields() 2023-01-18 11:41:03 +01:00
sound ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt 2023-01-18 11:41:09 +01:00
tools netfilter: conntrack: set icmpv6 redirects as RELATED 2023-01-18 11:41:08 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.228 2022-12-19 12:24:17 +01:00
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.