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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 AE929C07E9B for ; Tue, 6 Jul 2021 23:56:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C35661CAC for ; Tue, 6 Jul 2021 23:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229834AbhGFX73 (ORCPT ); Tue, 6 Jul 2021 19:59:29 -0400 Received: from mx07-00376f01.pphosted.com ([185.132.180.163]:56794 "EHLO mx07-00376f01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229891AbhGFX72 (ORCPT ); Tue, 6 Jul 2021 19:59:28 -0400 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 Content-Type: text/plain 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 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.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