Thread (31 messages) 31 messages, 6 authors, 2016-11-22

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

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>



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Qualcomm Innovation Center, Inc.
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