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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-09 16:40:06 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-09 19:32:51 +0000 |
| commit | 63de1da1479968e256123097fe9d153183e5fe6c (patch) | |
| tree | 5efeff5706bbdfdf2f4b245f0a48475ce16dba31 /tools/perf/scripts/python | |
| parent | 338d58cf47a8820a8f0cd3b3b85e2dc304120f5b (diff) | |
drm/i915: Remove livelock from "do_idle_maps" vtd w/a
A call to wait for the GT to idle from inside the put_pages fallback is
prone to cause an uninterruptible livelock. As it does not provide
adequate serialisation with new requests, simply fallback to a trivial
sleep.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201209164008.5487-1-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions