From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Subject: Re: [PATCH V3 3/4] dmaselftest: add memcpy selftest support functions Date: Mon, 9 Nov 2015 07:48:25 -0600 Message-ID: <5640A429.6090302@codeaurora.org> References: <1446958380-23298-1-git-send-email-okaya@codeaurora.org> <1446958380-23298-4-git-send-email-okaya@codeaurora.org> <563EDA15.7070606@codeaurora.org> <56400909.2090300@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:34387 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750788AbbKINsb (ORCPT ); Mon, 9 Nov 2015 08:48:31 -0500 In-Reply-To: <56400909.2090300@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Sinan Kaya , 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 , Dan Williams , linux-kernel@vger.kernel.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.