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Chris Wilson 4aea5a9e65 drm/i915/gem: Mark up the racy read of the mmap_singleton 
[11057.642683] BUG: KCSAN: data-race in i915_gem_mmap [i915] / singleton_release [i915]
[11057.642717]
[11057.642740] write (marked) to 0xffff8881f24471a0 of 8 bytes by task 44668 on cpu 2:
[11057.643162]  singleton_release+0x38/0x60 [i915]
[11057.643192]  __fput+0x160/0x3c0
[11057.643217]  ____fput+0x16/0x20
[11057.643241]  task_work_run+0xba/0x100
[11057.643263]  exit_to_usermode_loop+0xe4/0xf0
[11057.643286]  do_syscall_64+0x27e/0x2c0
[11057.643314]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[11057.643339]
[11057.643359] read to 0xffff8881f24471a0 of 8 bytes by task 44667 on cpu 3:
[11057.643774]  i915_gem_mmap+0x295/0x670 [i915]
[11057.643802]  mmap_region+0x62b/0xac0
[11057.643825]  do_mmap+0x414/0x6b0
[11057.643848]  vm_mmap_pgoff+0xa9/0xf0
[11057.643875]  ksys_mmap_pgoff+0x1ac/0x2f0
[11057.643900]  do_syscall_64+0x6e/0x2c0
[11057.643924]  entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311092624.10012-3-chris@chris-wilson.co.uk
2020-03-11 12:00:02 +00:00
arch
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2020-02-16 13:01:42 -08:00
block
Merge tag 'block-5.6-2020-02-05' of git://git.kernel.dk/linux-block
2020-02-06 06:15:23 +00:00
certs
certs: Add wrapper function to check blacklisted binary hash
2019-11-12 12:25:50 +11:00
crypto
Merge tag 's390-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2020-02-15 13:10:38 -08:00
Documentation
drm/i915: Fix doclinks
2020-03-03 09:56:43 +00:00
drivers
drm/i915/gem: Mark up the racy read of the mmap_singleton
2020-03-11 12:00:02 +00:00
fs
Merge tag 'for-5.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2020-02-16 11:43:45 -08:00
include
drm/i915: Force DPCD backlight mode on X1 Extreme 2nd Gen 4K AMOLED panel
2020-03-03 20:34:32 -05:00
init
Merge tag 'trace-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-02-11 16:39:18 -08:00
ipc
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
kernel
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-02-15 12:51:22 -08:00
lib
Merge tag 'trace-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-02-11 16:39:18 -08:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-02-08 13:26:41 -08:00
net
Merge tag 'nfs-for-5.6-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
2020-02-14 14:46:11 -08:00
samples
Merge tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-02-09 16:05:50 -08:00
scripts
kbuild: fix mismatch between .version and include/generated/compile.h
2020-02-11 05:18:40 +09:00
security
Merge tag 'selinux-pr-20200210' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-02-10 16:51:35 -08:00
sound
ALSA: pcm: Fix double hw_free calls
2020-02-13 16:30:22 +01:00
tools
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2020-02-16 13:01:42 -08:00
usr
Merge tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-02-09 16:05:50 -08:00
virt
KVM: Disable preemption in kvm_get_running_vcpu()
2020-02-12 12:19:35 +01:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +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
modpost: dump missing namespaces into a single modules.nsdeps file
2019-11-11 20:10:01 +09:00
.mailmap
Merge tag 'docs-5.6-2' of git://git.lwn.net/linux
2020-02-07 13:03:10 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
open: introduce openat2(2) syscall
2020-01-18 09:19:18 -05:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge drm/drm-next into drm-intel-next-queued
2020-02-25 09:39:23 -08:00
Makefile
Linux 5.6-rc2
2020-02-16 13:16:59 -08:00
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.
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