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Adrian Hunter 478ece9573 ftrace: Fix missing synchronize_rcu() removing trampoline from kallsyms
Add synchronize_rcu() after list_del_rcu() in
ftrace_remove_trampoline_from_kallsyms() to protect readers of
ftrace_ops_trampoline_list (in ftrace_get_trampoline_kallsym)
which is used when kallsyms is read.

Link: https://lkml.kernel.org/r/20200901091617.31837-1-adrian.hunter@intel.com

Fixes: fc0ea795f5 ("ftrace: Add symbols for ftrace trampolines")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-09-18 12:22:42 -04:00
arch ARM: SoC fixes 2020-09-13 14:54:40 -07:00
block
certs
crypto
Documentation ARM: SoC fixes 2020-09-13 14:54:40 -07:00
drivers USB/Thunderbolt fixes for 5.9-rc5 2020-09-13 09:23:54 -07:00
fs Driver core fixes for 5.9-rc5 2020-09-13 09:02:59 -07:00
include Driver core fixes for 5.9-rc5 2020-09-13 09:02:59 -07:00
init
ipc
kernel ftrace: Fix missing synchronize_rcu() removing trampoline from kallsyms 2020-09-18 12:22:42 -04:00
lib Driver core fixes for 5.9-rc5 2020-09-13 09:02:59 -07:00
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usr
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.clang-format
.cocciconfig
.get_maintainer.ignore
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MAINTAINERS Driver core fixes for 5.9-rc5 2020-09-13 09:02:59 -07:00
Makefile Linux 5.9-rc5 2020-09-13 16:06:00 -07:00
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.