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Filename Latest commit message Latest commit date
Steven Price 65e51e30d8 drm/panfrost: Prevent race when handling page fault
When handling a GPU page fault addr_to_drm_mm_node() is used to
translate the GPU address to a buffer object. However it is possible for
the buffer object to be freed after the function has returned resulting
in a use-after-free of the BO.

Change addr_to_drm_mm_node to return the panfrost_gem_object with an
extra reference on it, preventing the BO from being freed until after
the page fault has been handled.

Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190913160310.50444-1-steven.price@arm.com
2019-09-19 11:48:57 -05:00
arch - More changes on simplifying locking mechanisms (Chris) 2019-08-06 12:49:12 +10:00
block
certs
crypto
Documentation drm-misc-next for 5.4: 2019-08-27 17:21:04 +10:00
drivers drm/panfrost: Prevent race when handling page fault 2019-09-19 11:48:57 -05:00
fs
include drm: Measure Self Refresh Entry/Exit times to avoid thrashing 2019-09-19 10:03:32 -04:00
init
ipc
kernel
lib Kbuild fixes for v5.3 (2nd) 2019-08-04 10:16:30 -07:00
LICENSES
mm
net
samples
scripts kconfig: Clear "written" flag to avoid data loss 2019-08-04 12:44:15 +09:00
security
sound
tools Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-08-03 10:58:46 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS drm-misc-next for 5.4: 2019-08-21 16:44:41 +10:00
Makefile Linux 5.3-rc3 2019-08-04 18:40:12 -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.