On 05/11/2020 18:43, Chris Wilson wrote:
Use userfault to arbitrarily delay the completion of copy_from_user() in order to trap many, many threads inside the core of gem_pread/gem_pwrite. This allows us to exhaust the preferred paths and potentially trip over unexpected fallback paths. Suggested-by: Matthew Auld <matthew.auld@xxxxxxxxx> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
