Hi Chris, On 29 August 2016 at 23:56, Gustavo Padovan <gust...@padovan.org> wrote: > Hi Chris, > > 2016-08-29 Chris Wilson <ch...@chris-wilson.co.uk>: > >> If we being polled with a timeout of zero, a nonblocking busy query, >> we don't need to install any fence callbacks as we will not be waiting. >> As we only install the callback once, the overhead comes from the atomic >> bit test that also causes serialisation between threads. >> >> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> >> Cc: Sumit Semwal <sumit.sem...@linaro.org> >> Cc: Gustavo Padovan <gust...@padovan.org> >> Cc: linux-media@vger.kernel.org >> Cc: dri-de...@lists.freedesktop.org >> Cc: linaro-mm-...@lists.linaro.org >> --- >> drivers/dma-buf/sync_file.c | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) > > Indeed, we can shortcut this. > > Reviewed-by: Gustavo Padovan <gustavo.pado...@collabora.co.uk> > > Gustavo
Thanks; pushed to drm-misc. Best, Sumit. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
