From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id C772E1A067D for ; Wed, 12 Aug 2015 17:10:17 +1000 (AEST) From: Christoph Hellwig To: torvalds@linux-foundation.org, axboe@kernel.dk Cc: dan.j.williams@intel.com, vgupta@synopsys.com, hskinnemoen@gmail.com, egtvedt@samfundet.no, realmz6@gmail.com, dhowells@redhat.com, monstr@monstr.eu, x86@kernel.org, dwmw2@infradead.org, alex.williamson@redhat.com, grundler@parisc-linux.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-nvdimm@ml01.01.org, linux-media@vger.kernel.org Subject: [PATCH 31/31] dma-mapping-common: skip kmemleak checks for page-less SG entries Date: Wed, 12 Aug 2015 09:05:50 +0200 Message-Id: <1439363150-8661-32-git-send-email-hch@lst.de> In-Reply-To: <1439363150-8661-1-git-send-email-hch@lst.de> References: <1439363150-8661-1-git-send-email-hch@lst.de> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Christoph Hellwig --- include/asm-generic/dma-mapping-common.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h index 940d5ec..afc3eaf 100644 --- a/include/asm-generic/dma-mapping-common.h +++ b/include/asm-generic/dma-mapping-common.h @@ -51,8 +51,10 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, int i, ents; struct scatterlist *s; - for_each_sg(sg, s, nents, i) - kmemcheck_mark_initialized(sg_virt(s), s->length); + for_each_sg(sg, s, nents, i) { + if (sg_has_page(s)) + kmemcheck_mark_initialized(sg_virt(s), s->length); + } BUG_ON(!valid_dma_direction(dir)); ents = ops->map_sg(dev, sg, nents, dir, attrs); BUG_ON(ents < 0); -- 1.9.1