From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE2B6C07E96 for ; Tue, 6 Jul 2021 23:46:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A813861CAA for ; Tue, 6 Jul 2021 23:46:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A813861CAA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=imgtec.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=VryBFm01296zIrxg2fp3EwddCc+x0kaOEKCAnu/v7kM=; b=lhOdvjupB7i7/8 hbOvTFrwgGnNQ6OW0bXAo/E09EbwsVPPyA6Het0vcJ9crcWXiNPhGKXeITBLnhiKDAm49rG3H68er yeVmqLTOnfG4C1qBoqbwV0Uw7LDj6eHVveTX/xAH44+5ue9w6o4KP7rMa+RHyU8VV1RTADnuQeany 5xrg9mgGhqHlrZeeg+iEA3G/2wwgrrRPDlOB36u+M3SzIGJUaKBGHgifOIa0BP60FU+lsPFoc3OYX X9ARcJt6SQ77Q8gbkgv82F8KDk5AyBAFmEID7SYJVlhtebkmmNaPC18OFbPFTOkvXzXsSnDXxOO5L yZ5Dk7o5uR5LiDeM0PUQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m0ujU-00D2UK-1A; Tue, 06 Jul 2021 23:44:04 +0000 Received: from mx07-00376f01.pphosted.com ([185.132.180.163]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m0ujP-00D2TO-V9 for linux-arm-kernel@lists.infradead.org; Tue, 06 Jul 2021 23:44:01 +0000 Received: from pps.filterd (m0168889.ppops.net [127.0.0.1]) by mx07-00376f01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 166NVXxE032557; Wed, 7 Jul 2021 00:43:50 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=imgtec.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=dk201812; bh=0CcqS8UaEMBwBpDb+grv+a+jefvRJ7VM2L0l9L2Oxs4=; b=U6d6ZjkMvjpisZww1Y7uyuRN0vBuBKQZrgQ7mPNzHuziXwLX9mHivPwCmO3VcEpqQLTc mmc5O7HQMmKlqdt177S8UR0AGMysx/bs6WOFrXrqpT5h1wVkcriVCyT4XhpG8Ef1SoE6 TSVycMTUKvrp2d3zX7Y/EFPbYLXT5kB9xlTkFADASvhpyI8qIz3C/OmPDNCk5hZQgl2w vp4L45jX2N6+f9jXGd+rL8YVjD3IvdiQFYAubKhjQ2605Fy4dUZ1O/uHaFztEJn7nP2v MKqzF9UhcR/oUqpYx+5gNPKhH2dTFyZasS/UnRESVoUXMInbmexo8ohC3utjszkOm+F1 dA== Received: from hhmail05.hh.imgtec.org ([217.156.249.195]) by mx07-00376f01.pphosted.com with ESMTP id 39ms1j08cm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 07 Jul 2021 00:43:50 +0100 Received: from adrianlarumbe-HP-Elite-7500-Series-MT.hh.imgtec.org (10.100.70.86) by HHMAIL05.hh.imgtec.org (10.100.10.120) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Wed, 7 Jul 2021 00:43:48 +0100 From: Adrian Larumbe To: , CC: , , Subject: [PATCH 0/2] Add support for MEMCPY_SG transfers Date: Wed, 7 Jul 2021 00:43:36 +0100 Message-ID: <20210706234338.7696-1-adrian.martinezlarumbe@imgtec.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.100.70.86] X-ClientProxiedBy: HHMAIL05.hh.imgtec.org (10.100.10.120) To HHMAIL05.hh.imgtec.org (10.100.10.120) X-EXCLAIMER-MD-CONFIG: 15a78312-3e47-46eb-9010-2e54d84a9631 X-Proofpoint-ORIG-GUID: jbaluKoRzLPiI3Nmq0V0BCj7AVrSJbXN X-Proofpoint-GUID: jbaluKoRzLPiI3Nmq0V0BCj7AVrSJbXN X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210706_164400_347199_AAE60382 X-CRM114-Status: GOOD ( 13.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Bring back dmaengine API support for scatter-gather memcpy's, which is a follow-up from a previous patch series in which I wrongly tried to implement the semantics of a MEMCPY_SG through the Slave SG interface. The second patch fixes a race condition that I observed when calling dmaengine_terminate_sync in the Xilinx DMA driver. Adrian Larumbe (2): dmaengine: xilinx_dma: Restore support for memcpy SG transfers xilinx_dma: Fix read-after-free bug when terminating transfers .../driver-api/dmaengine/provider.rst | 11 ++ drivers/dma/dmaengine.c | 7 + drivers/dma/xilinx/xilinx_dma.c | 134 ++++++++++++++++++ include/linux/dmaengine.h | 20 +++ 4 files changed, 172 insertions(+) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel