Alexander Duyck <alexander.h.duyck@xxxxxxxxx> writes: > This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to > avoid invoking cache line invalidation if the driver will just handle it > via a sync_for_cpu or sync_for_device call. > > Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > Cc: Paul Mackerras <paulus@xxxxxxxxx> > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > Cc: linuxppc-dev@xxxxxxxxxxxxxxxx > Signed-off-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxx> > --- > arch/powerpc/kernel/dma.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) LGTM. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>