From: Christoph Hellwig <hch@infradead.org>
To: Liam Mark <lmark@codeaurora.org>
Cc: "Andrew F. Davis" <afd@ti.com>,
Christoph Hellwig <hch@infradead.org>,
Laura Abbott <labbott@redhat.com>,
sumit.semwal@linaro.org, arve@android.com, tkjos@android.com,
maco@android.com, joel@joelfernandes.org, christian@brauner.io,
devel@driverdev.osuosl.org, dri-devel@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org,
john.stultz@linaro.org
Subject: Re: [PATCH 3/4] dma-buf: add support for mapping with dma mapping attributes
Date: Mon, 21 Jan 2019 13:30:28 -0800 [thread overview]
Message-ID: <20190121213028.GB28620@infradead.org> (raw)
In-Reply-To: <alpine.DEB.2.10.1901211214570.11004@lmark-linux.qualcomm.com>
On Mon, Jan 21, 2019 at 12:20:42PM -0800, Liam Mark wrote:
> I have left this to clients, but if they own the buffer they can have the
> knowledge as to whether CPU access is needed in that use case (example for
> post-processing).
That is an API design which the user is more likely to get wrong than
right and thus does not pass the smell test.
next prev parent reply other threads:[~2019-01-21 21:30 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-18 18:37 [PATCH 0/4] ION stability and perf changes Liam Mark
2019-01-18 18:37 ` [PATCH 1/4] staging: android: ion: Support cpu access during dma_buf_detach Liam Mark
2019-01-18 19:34 ` Andrew F. Davis
2019-01-18 20:40 ` Laura Abbott
2019-01-18 18:37 ` [PATCH 2/4] staging: android: ion: Restrict cache maintenance to dma mapped memory Liam Mark
2019-01-18 20:20 ` Andrew F. Davis
2019-01-18 21:18 ` Liam Mark
2019-01-29 23:44 ` Liam Mark
2019-01-30 11:31 ` Brian Starkey
2019-02-06 15:40 ` [Linaro-mm-sig] " Ørjan Eide
2019-02-07 7:31 ` Christoph Hellwig
2019-02-07 15:45 ` Ørjan Eide
2019-02-28 23:49 ` Liam Mark
2019-01-30 14:31 ` Andrew F. Davis
2019-01-18 18:37 ` [PATCH 3/4] dma-buf: add support for mapping with dma mapping attributes Liam Mark
2019-01-18 20:48 ` Laura Abbott
2019-01-18 21:32 ` Liam Mark
2019-01-18 22:45 ` Laura Abbott
2019-01-19 10:25 ` Christoph Hellwig
2019-01-19 16:50 ` Laura Abbott
2019-01-21 8:30 ` Christoph Hellwig
2019-01-21 19:44 ` Liam Mark
2019-01-21 19:49 ` Andrew F. Davis
2019-01-21 20:20 ` Liam Mark
2019-01-21 20:24 ` Andrew F. Davis
2019-01-21 22:18 ` Liam Mark
2019-01-22 15:42 ` Andrew F. Davis
2019-01-22 22:47 ` Liam Mark
2019-01-21 21:30 ` Christoph Hellwig [this message]
2019-01-21 22:14 ` Liam Mark
2019-01-21 21:29 ` Christoph Hellwig
2019-01-21 22:12 ` Liam Mark
2019-01-22 16:06 ` Andrew F. Davis
2019-01-22 22:50 ` Liam Mark
2019-01-18 18:37 ` [PATCH 4/4] staging: android: ion: Support " Liam Mark
2019-01-21 12:19 ` Brian Starkey
2019-01-22 22:37 ` Liam Mark
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