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| author |   Jay Cornwall <jay.cornwall@amd.com> | 2025-06-11 09:52:14 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2025-06-18 13:17:32 -0400 |
| commit | cfb05257ae168a0496c7637e1d9e3ab8a25cbffe (patch) | |
| tree | 1d9e5f9fc0d0d2cf3ed670be48e9732b7cd2932f /tools/perf/scripts/python | |
| parent | drm/amdgpu/sdma5: init engine reset mutex (diff) | |
| download | wireguard-linux-cfb05257ae168a0496c7637e1d9e3ab8a25cbffe.tar.xz wireguard-linux-cfb05257ae168a0496c7637e1d9e3ab8a25cbffe.zip | |
drm/amdkfd: Fix race in GWS queue scheduling
q->gws is not updated atomically with qpd->mapped_gws_queue. If a
runlist is created between pqm_set_gws and update_queue it will
contain a queue which uses GWS in a process with no GWS allocated.
This will result in a scheduler hang.
Use q->properties.is_gws which is changed while holding the DQM lock.
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit b98370220eb3110e82248e3354e16a489a492cfb)
Cc: stable@vger.kernel.org
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions