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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-10-29 20:29:25 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-10-29 21:15:25 +0300 |
| commit | c5def85c0847189b547f378d400a3a45a2a1101e (patch) | |
| tree | 8c875220d6deca0c44c975c3271d4f77f0e17dcb /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | 42882336e62aab00278114392a16374f272a0c99 (diff) | |
| download | linux-c5def85c0847189b547f378d400a3a45a2a1101e.tar.xz | |
drm/i915/selftests: Test vm isolation
The vm of two contexts are supposed to be independent, such that a stray
write by one cannot be detected by another. Normally the GTT is filled
explicitly by userspace, but the space in between objects is filled with
a scratch page -- and that scratch page should not be able to form an
inter-context backchannel.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181029172925.10159-1-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
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