From: Richard Kuo <rkuo@codeaurora.org>
To: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
linux-hexagon@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [mm PATCH v3 07/23] arch/hexagon: Add option to skip DMA sync as a part of mapping
Date: Thu, 10 Nov 2016 12:40:14 -0600 [thread overview]
Message-ID: <20161110184014.GA30680@codeaurora.org> (raw)
In-Reply-To: <20161110113452.76501.45864.stgit@ahduyck-blue-test.jf.intel.com>
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 <rkuo@codeaurora.org>
> Cc: linux-hexagon@vger.kernel.org
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> ---
> arch/hexagon/kernel/dma.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
For Hexagon:
Acked-by: Richard Kuo <rkuo@codeaurora.org>
--
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2016-11-10 18:40 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-10 11:34 [mm PATCH v3 00/23] Add support for DMA writable pages being writable by the network stack Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 01/23] arch/arc: Add option to skip sync on DMA mapping Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 02/23] arch/arm: Add option to skip sync on DMA map and unmap Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 03/23] arch/avr32: Add option to skip sync on DMA map Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 04/23] arch/blackfin: " Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 05/23] arch/c6x: Add option to skip sync on DMA map and unmap Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 06/23] arch/frv: Add option to skip sync on DMA map Alexander Duyck
2016-11-10 11:34 ` [mm PATCH v3 07/23] arch/hexagon: Add option to skip DMA sync as a part of mapping Alexander Duyck
2016-11-10 18:40 ` Richard Kuo [this message]
2016-11-10 11:34 ` [mm PATCH v3 08/23] arch/m68k: " Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 09/23] arch/metag: Add option to skip DMA sync as a part of map and unmap Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 10/23] arch/microblaze: " Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 11/23] arch/mips: " Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 12/23] arch/nios2: " Alexander Duyck
2016-11-11 10:58 ` Tobias Klauser
2016-11-10 11:35 ` [mm PATCH v3 13/23] arch/openrisc: Add option to skip DMA sync as a part of mapping Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 14/23] arch/parisc: Add option to skip DMA sync as a part of map and unmap Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 15/23] arch/powerpc: Add option to skip DMA sync as a part of mapping Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 16/23] arch/sh: " Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 17/23] arch/sparc: Add option to skip DMA sync as a part of map and unmap Alexander Duyck
2016-11-13 17:27 ` David Miller
2016-11-10 11:35 ` [mm PATCH v3 18/23] arch/tile: " Alexander Duyck
2016-11-10 11:35 ` [mm PATCH v3 19/23] arch/xtensa: Add option to skip DMA sync as a part of mapping Alexander Duyck
2016-11-10 11:36 ` [mm PATCH v3 20/23] dma: Add calls for dma_map_page_attrs and dma_unmap_page_attrs Alexander Duyck
2016-11-10 11:36 ` [mm PATCH v3 21/23] mm: Add support for releasing multiple instances of a page Alexander Duyck
2016-11-18 23:27 ` Andrew Morton
2016-11-21 16:21 ` Alexander Duyck
2016-11-22 6:28 ` Andrew Morton
2016-11-10 11:36 ` [mm PATCH v3 22/23] igb: Update driver to make use of DMA_ATTR_SKIP_CPU_SYNC Alexander Duyck
2016-11-10 11:36 ` [mm PATCH v3 23/23] igb: Update code to better handle incrementing page count Alexander Duyck
2016-11-18 16:10 ` [mm PATCH v3 00/23] Add support for DMA writable pages being writable by the network stack Alexander Duyck
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