On Fri, 11 Oct 2019 at 18:38, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > > Sometimes a test has to wait for RCU to complete a grace period and > perform its callbacks, for example waiting for a close(fd) to actually > perform the fput(filp) and so trigger all the callbacks such as closing > GEM contexts. There is no trivial means of triggering an RCU barrier > from userspace, so add one for our convenience in > debugfs/i915_drop_caches > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Matthew Auld <matthew.william.auld@xxxxxxxxx> Reviewed-by: Matthew Auld <matthew.william.auld@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx