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Christophe Leroy b44f687386 drm/i915/gem: Replace user_access_begin by user_write_access_begin
When i915_gem_execbuffer2_ioctl() is using user_access_begin(),
that's only to perform unsafe_put_user() so use
user_write_access_begin() in order to only open write access.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ebf1250b6d4f351469fb339e5399d8b92aa8a1c1.1585898438.git.christophe.leroy@c-s.fr
2020-05-01 12:35:22 +10:00
arch A set of three patches to fix the fallout of the newly added split lock 2020-04-12 10:17:16 -07:00
block
certs
crypto
Documentation Time(keeping) updates: 2020-04-12 10:13:14 -07:00
drivers drm/i915/gem: Replace user_access_begin by user_write_access_begin 2020-05-01 12:35:22 +10:00
fs uaccess: Selectively open read or write user access 2020-05-01 12:35:21 +10:00
include uaccess: Add user_read_access_begin/end and user_write_access_begin/end 2020-05-01 12:35:21 +10:00
init Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
ipc
kernel uaccess: Selectively open read or write user access 2020-05-01 12:35:21 +10:00
lib uaccess: Selectively open read or write user access 2020-05-01 12:35:21 +10:00
LICENSES
mm
net Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
samples
scripts
security
sound
tools Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
usr kbuild: fix comment about missing include guard detection 2020-04-11 12:09:48 +09:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
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.mailmap mailmap: Add Sedat Dilek (replacement for expired email address) 2020-04-11 09:28:34 -07:00
COPYING
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MAINTAINERS MAINTAINERS: sort field names for all entries 2020-04-12 11:04:58 -07:00
Makefile Linux 5.7-rc1 2020-04-12 12:35:55 -07:00
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.