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[91.189.95.16]) by mx.google.com with ESMTP id a59si16198109wel.126.2012.05.14.03.52.04; Mon, 14 May 2012 03:52:05 -0700 (PDT) Received-SPF: neutral (google.com: 91.189.95.16 is neither permitted nor denied by best guess record for domain of linaro-mm-sig-bounces@lists.linaro.org) client-ip=91.189.95.16; Authentication-Results: mx.google.com; spf=neutral (google.com: 91.189.95.16 is neither permitted nor denied by best guess record for domain of linaro-mm-sig-bounces@lists.linaro.org) smtp.mail=linaro-mm-sig-bounces@lists.linaro.org Received: from localhost ([127.0.0.1] helo=mombin.canonical.com) by mombin.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1STssj-0004wd-Gf; Mon, 14 May 2012 10:52:01 +0000 Received: from mailout3.samsung.com ([203.254.224.33]) by mombin.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1ST7gP-0001PU-Sr for linaro-mm-sig@lists.linaro.org; Sat, 12 May 2012 08:28:10 +0000 Received: from epcpsbgm1.samsung.com (mailout3.samsung.com [203.254.224.33]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M3W00701I6TVQC0@mailout3.samsung.com> for linaro-mm-sig@lists.linaro.org; Sat, 12 May 2012 17:28:05 +0900 (KST) X-AuditID: cbfee61a-b7bbeae000003a71-80-4fae1f157bc8 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (MMPCPMTA) with SMTP id FB.33.14961.51F1EAF4; Sat, 12 May 2012 17:28:05 +0900 (KST) Received: from localhost.localdomain ([107.108.73.106]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0M3W0048DI6PQ430@mmp1.samsung.com> for linaro-mm-sig@lists.linaro.org; Sat, 12 May 2012 17:28:05 +0900 (KST) From: Abhinav To: m.szyprowski@samsung.com Date: Sat, 12 May 2012 14:11:42 +0530 Message-id: <1336812102-9975-1-git-send-email-abhinav.k@samsung.com> X-Mailer: git-send-email 1.7.0.4 X-Brightmail-Tracker: AAAAAA== X-TM-AS-MML: No X-Mailman-Approved-At: Mon, 14 May 2012 10:52:01 +0000 Cc: linaro-mm-sig@lists.linaro.org, kyungmin.park@samsung.com, abhinav.k@samsung.com, subash.rp@samsung.com Subject: [Linaro-mm-sig] [PATCH 1/3] [RFC]:DMA-MAPPING:Add a new DMA attribute to avoid Kernel virtual memory allocation X-BeenThere: linaro-mm-sig@lists.linaro.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Unified memory management interest group." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linaro-mm-sig-bounces@lists.linaro.org Errors-To: linaro-mm-sig-bounces@lists.linaro.org X-Gm-Message-State: ALoCoQnaXzC7/UUlEaZxu9eN4HEDIWiDHhPIn/LrbhH2Lvs2mTFgeZajrzsK0m+SDiK5saXOpuKM This dma attribute can be used to pass to the iommu ops of dma-mapping framework to differentiate between kernel and user space allocations. Signed-off-by: Abhinav --- include/linux/dma-attrs.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) -- 1.7.0.4 diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h index 547ab56..861df09 100644 --- a/include/linux/dma-attrs.h +++ b/include/linux/dma-attrs.h @@ -15,6 +15,7 @@ enum dma_attr { DMA_ATTR_WEAK_ORDERING, DMA_ATTR_WRITE_COMBINE, DMA_ATTR_NON_CONSISTENT, + DMA_ATTR_USER_SPACE, DMA_ATTR_MAX, };