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Boris Brezillon 7fdc48cc63 drm/panfrost: Make sure MMU context lifetime is not bound to panfrost_priv
Jobs can be in-flight when the file descriptor is closed (either because
the process did not terminate properly, or because it didn't wait for
all GPU jobs to be finished), and apparently panfrost_job_close() does
not cancel already running jobs. Let's refcount the MMU context object
so it's lifetime is no longer bound to the FD lifetime and running jobs
can finish properly without generating spurious page faults.

Reported-by: Icecream95 <ixn@keemail.me>
Fixes: 7282f7645d ("drm/panfrost: Implement per FD address spaces")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210621133907.1683899-2-boris.brezillon@collabora.com
2021-06-24 09:25:56 +02:00
Documentation Merge tag 'asoc-hdmi-codec-improvements-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-misc-next 2021-06-23 14:32:27 +02:00
LICENSES
arch arm64: dts: qcom: sc7180-trogdor: Move panel under the bridge chip 2021-06-11 12:31:59 -07:00
block block-5.13-2021-05-22 2021-05-22 07:40:34 -10:00
certs
crypto
drivers drm/panfrost: Make sure MMU context lifetime is not bound to panfrost_priv 2021-06-24 09:25:56 +02:00
fs userfaultfd: hugetlbfs: fix new flag usage in error path 2021-05-22 15:09:07 -10:00
include dma-resv: Fix kerneldoc 2021-06-23 21:16:41 +02:00
init
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-22 15:09:07 -10:00
kernel Two locking fixes: 2021-05-23 06:30:08 -10:00
lib lib: kunit: suppress a compilation warning of frame size 2021-05-22 15:09:07 -10:00
mm userfaultfd: hugetlbfs: fix new flag usage in error path 2021-05-22 15:09:07 -10:00
net Char/misc driver fixes for 5.13-rc3 2021-05-20 06:31:52 -10:00
samples
scripts
security
sound Merge tag 'asoc-hdmi-codec-improvements-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-misc-next 2021-06-23 14:32:27 +02:00
tools powerpc fixes for 5.13 #4 2021-05-23 06:07:33 -10:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
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MAINTAINERS MAINTAINERS: update vmwgfx info 2021-06-16 14:27:00 -04:00
Makefile Linux 5.13-rc3 2021-05-23 11:42:48 -10:00
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.