From: Timur Tabi <timur@codeaurora.org>
To: Sinan Kaya <okaya@codeaurora.org>,
dmaengine@vger.kernel.org, cov@codeaurora.org, jcm@redhat.com
Cc: agross@codeaurora.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Vinod Koul <vinod.koul@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 3/4] dmaselftest: add memcpy selftest support functions
Date: Mon, 9 Nov 2015 07:48:25 -0600 [thread overview]
Message-ID: <5640A429.6090302@codeaurora.org> (raw)
In-Reply-To: <56400909.2090300@codeaurora.org>
Sinan Kaya wrote:
>>
>> And why kmalloc anyway? Why not leave it on the stack?
>>
>> char src[] = "hello world";
>>
>> ?
>
> I need to call dma_map_single on this address to convert it to a DMA
> address. That's why.
And you can't do that with an object that's on the stack?
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
next prev parent reply other threads:[~2015-11-09 13:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-08 4:52 [PATCH V3 0/4] *ma: add Qualcomm Technologies HIDMA driver Sinan Kaya
2015-11-08 4:52 ` [PATCH V3 1/4] dma: qcom_bam_dma: move to qcom directory Sinan Kaya
2015-11-08 5:02 ` Timur Tabi
[not found] ` <1446958380-23298-1-git-send-email-okaya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-11-08 4:52 ` [PATCH V3 2/4] dma: add Qualcomm Technologies HIDMA management driver Sinan Kaya
2015-11-08 5:08 ` Timur Tabi
2015-11-09 2:17 ` Sinan Kaya
2015-11-09 18:25 ` Rob Herring
2015-11-10 4:57 ` Sinan Kaya
2015-11-08 9:32 ` kbuild test robot
2015-11-08 4:52 ` [PATCH V3 3/4] dmaselftest: add memcpy selftest support functions Sinan Kaya
2015-11-08 5:13 ` Timur Tabi
2015-11-09 2:46 ` Sinan Kaya
2015-11-09 13:48 ` Timur Tabi [this message]
2015-11-10 4:49 ` Sinan Kaya
2015-11-10 10:13 ` Arnd Bergmann
2015-11-08 20:09 ` Andy Shevchenko
2015-11-09 3:07 ` Sinan Kaya
2015-11-09 9:26 ` Andy Shevchenko
2015-11-10 4:55 ` Sinan Kaya
2015-11-10 4:59 ` Timur Tabi
2015-11-08 4:53 ` [PATCH V3 4/4] dma: add Qualcomm Technologies HIDMA channel driver Sinan Kaya
[not found] ` <1446958380-23298-5-git-send-email-okaya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-11-08 19:13 ` kbuild test robot
2015-11-09 0:43 ` Sinan Kaya
2015-11-11 2:21 ` [kbuild-all] " Fengguang Wu
[not found] ` <20151111022103.GA29459-q6ZYBFIlbFFi0tQiZxhdj1DQ4js95KgL@public.gmane.org>
2015-11-11 8:42 ` Arnd Bergmann
2015-11-12 8:20 ` Fengguang Wu
2015-11-12 13:49 ` Arnd Bergmann
2015-11-08 20:47 ` Andy Shevchenko
2015-11-08 21:51 ` Sinan Kaya
2015-11-08 22:00 ` Andy Shevchenko
2015-11-09 0:31 ` Sinan Kaya
2015-11-09 18:19 ` Rob Herring
2015-11-10 4:44 ` Sinan Kaya
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