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drm/ttm: return immediately in case of a signal

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When a signal arrives we should return immediately for
handling it and not try other placements first.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2019-05-13 15:36:08 +02:00 committed by Alex Deucher
parent 6e58ab7ac7
commit b2f7a61619
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/ttm/ttm_bo.c
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@ -979,7 +979,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
uint32_t cur_flags = 0;
bool type_found = false;
bool type_ok = false;
bool has_erestartsys = false;
int i, ret;
ret = reservation_object_reserve_shared(bo->resv, 1);
@ -1070,8 +1069,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
mem->placement = cur_flags;
return 0;
}
if (ret == -ERESTARTSYS)
has_erestartsys = true;
if (ret && ret != -EBUSY)
return ret;
}
if (!type_found) {
@ -1079,7 +1078,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
return -EINVAL;
}
return (has_erestartsys) ? -ERESTARTSYS : -ENOMEM;
return -ENOMEM;
}
EXPORT_SYMBOL(ttm_bo_mem_space);