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Filename Latest commit message Latest commit date
Tvrtko Ursulin ca22f32a62 drm/i915: Relax mmap VMA check 
Legacy behaviour was to allow non-page-aligned mmap requests, as does the
linux mmap(2) implementation by virtue of automatically rounding up for
the caller.

To avoid breaking legacy userspace relax the newly introduced fix.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 5c4604e757 ("drm/i915: Prevent a race during I915_GEM_MMAP ioctl with WC set")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Adam Zabrocki <adamza@microsoft.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.0+
Cc: Akash Goel <akash.goel@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190305110409.28633-1-tvrtko.ursulin@linux.intel.com
(cherry picked from commit a90e1948ef)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2019-03-08 09:52:55 -08:00
arch Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
block
certs
crypto
Documentation Merge drm/drm-next into drm-misc-next 2019-02-11 10:35:35 +01:00
drivers drm/i915: Relax mmap VMA check 2019-03-08 09:52:55 -08:00
firmware
fs Add Adiantum support for fscrypt 2019-01-06 12:21:11 -08:00
include Merge drm/drm-next into drm-misc-next 2019-02-11 10:35:35 +01:00
init
ipc
kernel Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
lib Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
LICENSES
mm Change mincore() to count "mapped" pages rather than "cached" pages 2019-01-06 13:43:02 -08:00
net
samples
scripts
security
sound
tools Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS drm-misc-next for 5.1: 2019-02-04 14:42:34 +10:00
Makefile Linux 5.0-rc1 2019-01-06 17:08:20 -08:00
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.