drm/xe: skip rebind_list if vma destroyed

If we are closing a vm, mark each vma as XE_VMA_DESTROYED and skip
touching the rebind_list if this is seen on the eviction path. That way
we can safely drop the vm dma-resv lock on the close path without
needing to worry about racing with the eviction path trying to add stuff
to the rebind_list which can corrupt our contended list, since the
destroy and rebind links are the same list entry underneath.

References: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/514
Signed-off-by: Matthew Auld <[email protected]>
Cc: Matthew Brost <[email protected]>
Reviewed-by: Rodrigo Vivi <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>

0 files changed, 0 insertions, 0 deletions