Re: [net-next PATCH 04/27] arch/arc: Add option to skip sync on DMA mapping

2016-10-25 Thread Vineet Gupta
On 10/25/2016 02:38 PM, Alexander Duyck wrote: > 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 > later via a sync_for_cpu or sync_for_device call. > > Cc: Vineet Gupta > Cc:

[net-next PATCH 04/27] arch/arc: Add option to skip sync on DMA mapping

2016-10-25 Thread Alexander Duyck
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 later via a sync_for_cpu or sync_for_device call. Cc: Vineet Gupta Cc: linux-snps-...@lists.infradead.org Signed-off-by: Alexander