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Andy Shevchenko 334cfa48d3 include/linux/bitmap.h: make bitmap_fill() and bitmap_zero() consistent
Behaviour of bitmap_fill() differs from bitmap_zero() in a way how bits
behind bitmap are handed.  bitmap_zero() clears entire bitmap by unsigned
long boundary, while bitmap_fill() mimics bitmap_set().

Here we change bitmap_fill() behaviour to be consistent with bitmap_zero()
and add a note to documentation.

The change might reveal some bugs in the code where unused bits are
handled differently and in such cases bitmap_set() has to be used.

Link: http://lkml.kernel.org/r/20180109172430.87452-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-02-06 18:32:44 -08:00
arch bitmap: replace bitmap_{from,to}_u32array 2018-02-06 18:32:44 -08:00
block for-linus-20180204 2018-02-04 11:16:35 -08:00
certs
crypto
Documentation Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2018-02-05 13:05:20 -08:00
drivers bitmap: replace bitmap_{from,to}_u32array 2018-02-06 18:32:44 -08:00
firmware
fs fs/proc/consoles.c: use seq_putc() in show_console_dev() 2018-02-06 18:32:44 -08:00
include include/linux/bitmap.h: make bitmap_fill() and bitmap_zero() consistent 2018-02-06 18:32:44 -08:00
init
ipc
kernel kernel/async.c: revert "async: simplify lowest_in_progress()" 2018-02-06 18:32:44 -08:00
lib lib/test_bitmap.c: clean up test_zero_fill_copy() test case and rename 2018-02-06 18:32:44 -08:00
LICENSES
mm kasan: fix prototype author email address 2018-02-06 18:32:43 -08:00
net bitmap: replace bitmap_{from,to}_u32array 2018-02-06 18:32:44 -08:00
samples
scripts kasan: support alloca() poisoning 2018-02-06 18:32:42 -08:00
security Currently, hardened usercopy performs dynamic bounds checking on slab 2018-02-03 16:25:42 -08:00
sound
tools tools/lib/subcmd/pager.c: do not alias select() params 2018-02-06 18:32:44 -08:00
usr
virt Currently, hardened usercopy performs dynamic bounds checking on slab 2018-02-03 16:25:42 -08:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: update sboyd's email address 2018-02-06 18:32:44 -08:00
Makefile Makefile: introduce CONFIG_CC_STACKPROTECTOR_AUTO 2018-02-06 18:32:44 -08:00
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.