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Tejun Heo 769b628de0 blk-iocost: fix divide-by-zero in transfer_surpluses() 
Conceptually, root_iocg->hweight_donating must be less than WEIGHT_ONE but
all hweight calculations round up and thus it may end up >= WEIGHT_ONE
triggering divide-by-zero and other issues. Bound the value to avoid
surprises.

Fixes: e08d02aa5fc9 ("blk-iocost: implement Andy's method for donation weight updates")
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-09-11 16:41:47 -06:00
arch
Three interrupt related fixes for X86:
2020-08-30 12:01:23 -07:00
block
blk-iocost: fix divide-by-zero in transfer_surpluses()
2020-09-11 16:41:47 -06:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-08-30 15:53:44 -07:00
Documentation
Documentation/filesystems/locking.rst: remove an incorrect sentence
2020-09-02 07:59:59 -06:00
drivers
bcache: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct
2020-09-11 16:41:30 -06:00
fs
block: remove check_disk_change
2020-09-10 09:32:31 -06:00
include
block: introduce part_[begin|end]_io_acct
2020-09-11 16:41:30 -06:00
init
OpenRISC updates for 5.9
2020-08-14 14:04:53 -07:00
ipc
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
kernel
blktrace: make function blk_trace_bio_get_cgid() static
2020-09-07 20:11:15 -06:00
lib
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
powerpc fixes for 5.9 #4
2020-08-30 10:56:12 -07:00
net
Fixes:
2020-08-25 18:01:36 -07:00
samples
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
scripts
kconfig: qconf: replace deprecated QString::sprintf() with QTextStream
2020-08-21 10:23:38 +09:00
security
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sound
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
tools
blk-iocost: update iocost_monitor.py
2020-09-01 19:38:33 -06:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
* PAE and PKU bugfixes for x86
2020-08-22 10:03:05 -07:00
.clang-format
block: add bio_for_each_bvec_all()
2020-05-25 11:25:24 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: Add ZSTD-compressed files
2020-07-31 11:50:49 +02:00
.mailmap
Merge branch 'akpm' (patches from Andrew)
2020-08-21 14:44:48 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
CREDITS: Replace HTTP links with HTTPS ones
2020-07-23 14:53:58 -06:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Three interrupt related fixes for X86:
2020-08-30 12:01:23 -07:00
Makefile
Linux 5.9-rc3
2020-08-30 16:01:54 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
Linux kernel source tree
Readme 3.3 GiB
Languages
C 97.5%
Assembly 1%
Shell 0.6%
Python 0.3%
Makefile 0.3%