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Filename Latest commit message Latest commit date
Atsushi Nemoto f1c582154e i2c: altera: Fix race between xfer_msg and isr thread
[ Upstream commit 5d4c7977499a736f3f80826bdc9744344ad55589 ]

Use a mutex to protect access to idev->msg_len, idev->buf, etc. which
are modified by both altr_i2c_xfer_msg() and altr_i2c_isr().

This is the minimal fix for easy backporting. A cleanup to remove the
spinlock will be added later.

Signed-off-by: Atsushi Nemoto <atsushi.nemoto@sord.co.jp>
Acked-by: Thor Thayer <thor.thayer@linux.intel.com>
[wsa: updated commit message]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-07 13:18:50 +02:00
arch ARC: [plat-eznps]: Restrict to CONFIG_ISA_ARCOMPACT 2020-06-07 13:18:50 +02:00
block Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT" 2020-06-03 08:21:27 +02:00
certs
crypto gcc-10: avoid shadowing standard library 'free()' in crypto 2020-05-20 08:20:29 +02:00
Documentation USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices") 2020-04-29 16:33:14 +02:00
drivers i2c: altera: Fix race between xfer_msg and isr thread 2020-06-07 13:18:50 +02:00
fs fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() 2020-06-03 08:21:27 +02:00
include powerpc/xmon: Restrict when kernel is locked down 2020-06-07 13:18:49 +02:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:20:34 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel kernel/relay.c: handle alloc_percpu returning NULL in relay_open 2020-06-07 13:18:47 +02:00
lib vsprintf: don't obfuscate NULL and error pointers 2020-05-27 17:46:43 +02:00
LICENSES
mm mm: Fix mremap not considering huge pmd devmap 2020-06-07 13:18:46 +02:00
net netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build 2020-06-03 08:21:39 +02:00
samples samples: bpf: Fix build error 2020-06-03 08:21:15 +02:00
scripts kbuild: Remove debug info from kallsyms linking 2020-05-27 17:46:44 +02:00
security evm: Fix RCU list related warnings 2020-06-07 13:18:50 +02:00
sound ASoC: intel - fix the card names 2020-06-07 13:18:49 +02:00
tools perf: Make perf able to build with latest libbfd 2020-06-03 08:21:39 +02:00
usr
virt KVM: arm: vgic: Synchronize the whole guest on GIC{D,R}_I{S,C}ACTIVER read 2020-05-20 08:20:04 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.44 2020-06-03 08:21:39 +02:00
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.