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Dmitry Vyukov f61e869d51 kcov: simplify interrupt check
in_interrupt() semantics are confusing and wrong for most users as it
also returns true when bh is disabled.  Thus we open coded a proper
check for interrupts in __sanitizer_cov_trace_pc() with a lengthy
explanatory comment.

Use the new in_task() predicate instead.

Link: http://lkml.kernel.org/r/20170321091026.139655-1-dvyukov@google.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: James Morse <james.morse@arm.com>
Cc: Alexander Popov <alex.popov@linux.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08 17:15:12 -07:00
Documentation powerpc/fadump: update documentation about crashkernel parameter reuse 2017-05-08 17:15:11 -07:00
arch powerpc/fadump: reuse crashkernel parameter for fadump memory reservation 2017-05-08 17:15:11 -07:00
block Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2017-05-06 11:25:08 -07:00
certs KEYS: Use structure to capture key restriction function and data 2017-04-04 14:10:10 -07:00
crypto Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2017-05-03 08:50:52 -07:00
drivers drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR() 2017-05-08 17:15:10 -07:00
firmware firmware/Makefile: force recompilation if makefile changes 2017-05-08 17:15:10 -07:00
fs pidns: expose task pid_ns_for_children to userspace 2017-05-08 17:15:12 -07:00
include pidns: expose task pid_ns_for_children to userspace 2017-05-08 17:15:12 -07:00
init initramfs: avoid "label at end of compound statement" error 2017-05-06 10:27:13 -07:00
ipc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2017-05-05 11:08:43 -07:00
kernel kcov: simplify interrupt check 2017-05-08 17:15:12 -07:00
lib checkpatch: add ability to find bad uses of vsprintf %p<foo> extensions 2017-05-08 17:15:10 -07:00
mm mm, compaction: finish whole pageblock to reduce fragmentation 2017-05-08 17:15:10 -07:00
net Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2017-05-05 11:08:43 -07:00
samples char/misc patches for 4.12-rc1 2017-05-04 19:15:35 -07:00
scripts checkpatch: improve the SUSPECT_CODE_INDENT test 2017-05-08 17:15:11 -07:00
security Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2017-05-03 08:50:52 -07:00
sound sound updates for 4.12-rc1 2017-05-03 11:58:59 -07:00
tools libnvdimm for 4.12 2017-05-05 18:49:20 -07:00
usr kbuild: initramfs cleanup, set target from Kconfig 2017-01-05 09:40:16 -08:00
virt arm64 updates for 4.12: 2017-05-05 12:11:37 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-08-02 16:48:52 -04:00
.mailmap Staging/IIO patches for 4.12-rc1 2017-05-05 18:16:23 -07:00
COPYING
CREDITS avr32: remove support for AVR32 architecture 2017-05-01 09:27:15 +02:00
Kbuild scripts/gdb: provide linux constants 2016-05-23 17:04:14 -07:00
Kconfig
MAINTAINERS Staging/IIO patches for 4.12-rc1 2017-05-05 18:16:23 -07:00
Makefile make help: add tools help target 2017-05-08 17:15:10 -07:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

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.