Re: [mm PATCH v3 07/23] arch/hexagon: Add option to skip DMA sync as a part of mapping
From: Richard Kuo <hidden>
Date: 2016-11-10 18:40:19
Also in:
linux-mm, lkml
From: Richard Kuo <hidden>
Date: 2016-11-10 18:40:19
Also in:
linux-mm, lkml
On Thu, Nov 10, 2016 at 06:34:52AM -0500, 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: Richard Kuo <redacted> Cc: linux-hexagon@vger.kernel.org Signed-off-by: Alexander Duyck <redacted> --- arch/hexagon/kernel/dma.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
For Hexagon: Acked-by: Richard Kuo <redacted> -- Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project