accel/ivpu: Fix race condition when mapping dmabuf

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[ Upstream commit 63c7870fab ]

Fix a race that can occur when multiple jobs submit the same dmabuf.
This could cause the sg_table to be mapped twice, leading to undefined
behavior.

Fixes: e0c0891cd6 ("accel/ivpu: Rework bind/unbind of imported buffers")
Signed-off-by: Wludzik, Jozef <jozef.wludzik@intel.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://lore.kernel.org/r/20251014071725.3047287-1-karol.wachowski@linux.intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Wludzik, Jozef 2025-10-14 09:17:25 +02:00 • committed by Greg Kroah-Hartman

parent 157d7d16f8

commit fe14b92fb9

1 changed files with 2 additions and 1 deletions

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drivers/accel/ivpu/ivpu_gem.c

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