Displaying 1 result from an estimated 1 matches for "patchwork_114671v2".
2023 Mar 26
0
[PATCH v13 01/10] drm/shmem-helper: Switch to reservation lock
...m);
>>> + dma_resv_unlock(shmem->base.resv);
>> Intel CI reported locking problem [1] here. It actually was also
>> reported for v12, but I missed that report because of the other noisy
>> reports.
>>
>> [1]
>> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_114671v2/shard-snb5/igt at prime_vgem@sync at rcs0.html
>>
>> The test does the following:
>>
>> 1. creates vgem
>> 2. export it do dmabuf
>> 3. mmaps dmabuf
>>
>> There is an obvious deadlock there. The DRM code assumes that mmap() is
>> unlocked, while...