On 23.02.2016 04:32, Alex Deucher wrote: > From: Christian König <christian.koenig@xxxxxxx> > > A fence is never later than itself. This caused a bunch of overhead for AMDGPU. > > v2: simplify check as suggested by Michel. > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> > Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx> > Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > include/linux/fence.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/fence.h b/include/linux/fence.h > index bb52201..5aa95eb 100644 > --- a/include/linux/fence.h > +++ b/include/linux/fence.h > @@ -292,7 +292,7 @@ static inline bool fence_is_later(struct fence *f1, struct fence *f2) > if (WARN_ON(f1->context != f2->context)) > return false; > > - return f1->seqno - f2->seqno < INT_MAX; > + return (int)(f1->seqno - f2->seqno) > 0; > } > > /** > According to scripts/get_maintainer.pl include/linux/fence.h this patch should be sent to: Sumit Semwal <sumit.semwal@xxxxxxxxxx> (maintainer:DMA BUFFER SHARING FRAMEWORK) linux-media@xxxxxxxxxxxxxxx (open list:DMA BUFFER SHARING FRAMEWORK) dri-devel@xxxxxxxxxxxxxxxxxxxxx (open list:DMA BUFFER SHARING FRAMEWORK) linaro-mm-sig@xxxxxxxxxxxxxxxx (moderated list:DMA BUFFER SHARING FRAMEWORK) linux-kernel@xxxxxxxxxxxxxxx (open list) I'd add at least Sumit and the linaro-mm-sig list. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
