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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-05-11 11:35:50 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-06-03 14:48:27 +0200 |
| commit | 3a5a5971bc1fe34a9a24b59118db0b3a1f9c2902 (patch) | |
| tree | 8ac9f23acc53bc66e2320bebc3332aaf0545a674 /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | drm/virtio: Call the right shmem helpers (diff) | |
| download | linux-3a5a5971bc1fe34a9a24b59118db0b3a1f9c2902.tar.gz linux-3a5a5971bc1fe34a9a24b59118db0b3a1f9c2902.zip | |
drm/udl: Don't call get/put_pages on imported dma-buf
There's no direct harm, because for the shmem helpers these are noops
on imported buffers. The trouble is in the locks these take - I want
to change dma_buf_vmap locking, and so need to make sure that we only
ever take certain locks on one side of the dma-buf interface: Either
for exporters, or for importers.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200511093554.211493-6-daniel.vetter@ffwll.ch
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions