LGTM, minor nitpick below.
Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
On 01/11/2016 03:35 PM, Christian König wrote:
> From: Christian König <christian.koenig@xxxxxxx>
>
> If we import a BO with an external reservation object we don't
> reserve/unreserve it. So we never add it to the LRU causing a possible
> deny of service.
s/deny/denial/
>
> v2: fix typo in commit message
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
> ---
> drivers/gpu/drm/ttm/ttm_bo.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index 745e996..a98a5d5 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1170,9 +1170,15 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
> if (likely(!ret))
> ret = ttm_bo_validate(bo, placement, interruptible, false);
>
> - if (!resv)
> + if (!resv) {
> ttm_bo_unreserve(bo);
>
> + } else if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
> + spin_lock(&bo->glob->lru_lock);
> + ttm_bo_add_to_lru(bo);
> + spin_unlock(&bo->glob->lru_lock);
> + }
> +
> if (unlikely(ret))
> ttm_bo_unref(&bo);
>
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