WSL2-Linux-Kernel/include
Thierry Reding 3e9c458433 gpu: host1x: Do not use mapping cache for job submissions
Buffer mappings used in job submissions are usually small and not
rapidly reused as opposed to framebuffers (which are usually large and
rapidly reused, for example when page-flipping between double-buffered
framebuffers). Avoid going through the mapping cache for these buffers
since the cache would also lead to leaks if nobody is ever releasing
the cache's last reference. For DRM/KMS these last references are
dropped when the framebuffers are removed and therefore no longer
needed.

While at it, also add a note about the need to explicitly remove the
final reference to the mapping in the cache.

Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2022-04-06 15:12:36 +02:00
..
acpi Merge branches 'acpi-soc', 'acpi-video' and 'acpi-apei' 2022-03-18 17:48:55 +01:00
asm-generic ptrace: Cleanups for v5.18 2022-03-28 17:29:53 -07:00
clocksource
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2022-03-21 16:02:36 -07:00
drm
dt-bindings RTC for 5.18 2022-04-01 09:37:18 -07:00
keys
kunit
kvm
linux gpu: host1x: Do not use mapping cache for job submissions 2022-04-06 15:12:36 +02:00
math-emu
media
memory
misc
net Networking changes for 5.18. 2022-03-24 13:13:26 -07:00
pcmcia
ras mm/memory-failure.c: fix race with changing page compound again 2022-03-22 15:57:07 -07:00
rdma
scsi SCSI misc on 20220324 2022-03-24 19:37:53 -07:00
soc drm for 5.18-rc1 2022-03-24 16:19:43 -07:00
sound sound fixes for 5.18-rc1 2022-04-01 10:32:46 -07:00
target
trace Updates to Tracing: 2022-04-03 12:26:01 -07:00
uapi tracing: mark user_events as BROKEN 2022-04-02 10:32:14 -07:00
vdso
video
xen