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Filename Latest commit message Latest commit date
Krister Johansen 9c68ae98c6 perf callchain: Reference count maps
If dso__load_kcore frees all of the existing maps, but one has already
been attached to a callchain cursor node, then we can get a SIGSEGV in
any function that happens to try to use this invalid cursor.  Use the
existing map refcount mechanism to forestall cleanup of a map until the
cursor iterates past the node.

Signed-off-by: Krister Johansen <kjlx@templeofstupid.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: stable@kernel.org
Fixes: 84c2cafa28 ("perf tools: Reference count struct map")
Link: http://lkml.kernel.org/r/20170106062331.GB2707@templeofstupid.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-01-31 16:19:06 -03:00
arch mn10300: fix build error of missing fpu_save() 2017-01-24 16:26:14 -08:00
block
certs
crypto
Documentation Documentation/filesystems/proc.txt: add VmPin 2017-01-24 16:26:14 -08:00
drivers Merge branch 'akpm' (patches from Andrew) 2017-01-24 16:54:39 -08:00
firmware
fs romfs: use different way to generate fsid for BLOCK or MTD 2017-01-24 16:26:14 -08:00
include Merge branch 'linus' into perf/core, to pick up fixes 2017-01-25 15:52:46 +01:00
init
ipc
kernel Merge branch 'linus' into perf/core, to pick up fixes 2017-01-25 15:52:46 +01:00
lib mm: do not export ioremap_page_range symbol for external module 2017-01-24 16:26:14 -08:00
mm mm, page_alloc: fix premature OOM when racing with cpuset mems update 2017-01-24 16:26:14 -08:00
net
samples
scripts
security
sound
tools perf callchain: Reference count maps 2017-01-31 16:19:06 -03:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge branch 'akpm' (patches from Andrew) 2017-01-24 16:54:39 -08:00
Makefile tools build: Add tools tree support for 'make -s' 2017-01-26 16:29:00 -03:00
README

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.