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Andy Shevchenko 30544ed5de lib/bitmap: introduce bitmap_replace() helper 
In some drivers we want to have a single operation over bitmap which is
an equivalent to:

	*dst = (*old & ~(*mask)) | (*new & *mask)

Introduce bitmap_replace() helper for this.

Link: http://lkml.kernel.org/r/20191022172922.61232-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-04 19:44:14 -08:00
arch arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
block
certs
crypto
Documentation kcov: remote coverage support 2019-12-04 19:44:14 -08:00
drivers vhost, kcov: collect coverage from vhost_worker 2019-12-04 19:44:14 -08:00
fs fs/binfmt_elf.c: extract elf_read() function 2019-12-04 19:44:13 -08:00
include lib/bitmap: introduce bitmap_replace() helper 2019-12-04 19:44:14 -08:00
init init/Kconfig: fix indentation 2019-12-04 19:44:13 -08:00
ipc
kernel kcov: remote coverage support 2019-12-04 19:44:14 -08:00
lib lib/bitmap: introduce bitmap_replace() helper 2019-12-04 19:44:14 -08:00
LICENSES
mm mm/memory.c: replace is_zero_pfn with is_huge_zero_pmd for thp 2019-12-04 19:44:11 -08:00
net kernel/notifier.c: remove blocking_notifier_chain_cond_register() 2019-12-04 19:44:12 -08:00
samples
scripts checkpatch: reduce is_maintained_obsolete lookup runtime 2019-12-04 19:44:13 -08:00
security
sound
tools selftests: add epoll selftests 2019-12-04 19:44:13 -08:00
usr arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
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MAINTAINERS
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README

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.