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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E916C00528 for ; Mon, 17 Jul 2023 13:08:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231414AbjGQNIr (ORCPT ); Mon, 17 Jul 2023 09:08:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231338AbjGQNIp (ORCPT ); Mon, 17 Jul 2023 09:08:45 -0400 Received: from smtp1.axis.com (smtp1.axis.com [195.60.68.17]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69F58C0; Mon, 17 Jul 2023 06:08:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; q=dns/txt; s=axis-central1; t=1689599325; x=1721135325; h=from:subject:date:message-id:mime-version: content-transfer-encoding:to:cc; bh=O5DQ9JSl1jzwQRO2zJHId2P9HoG7Jsu0sEGb288kCQs=; b=P541cTqDV0rzQhh/ESfcK5tRXktNemGTWHIi+IpTzkPugiaFoxEEYxrE cXv9TafltQS0gSDYLf/p4jwfruVKPQhdXI+eNF0Ddckvuy5t0SU+lmUIi zOtnlKrUKD/DfxjEmzkmjrbGZQqCFO43TaiR1Om+x6MjpvOx7kBpVS4/n o0Hk9jxzfoKYIhOhB9PsIDBHjWmIZpX/AHWVDqwki7eK5j/QlFRzh39u1 H/ZKRQi5KirqcXWi5aOHVZadZDVIs1XstZNe02zKVWUWdRh8rjCtKwzbp 2WARSriI/2CM61JoGGF0wPHlWtllDNK8nvPUp98TDuU1aUnQcs2XMK9jF g==; From: Vincent Whitchurch Subject: [PATCH 0/2] dmaengine: Use-after-free fix and dummy DMAC Date: Mon, 17 Jul 2023 15:08:39 +0200 Message-ID: <20230717-dummy-dmac-v1-0-24348b6fb56b@axis.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAFc9tWQC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI2MDc0Nz3ZTS3NxK3ZTcxGRdy0SjVPNU45SUJCNLJaCGgqLUtMwKsGHRsbW 1AG15UYlcAAAA To: Vinod Koul CC: , , , Vincent Whitchurch X-Mailer: b4 0.12.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series has a fix for a use-after-free in the DMA engine framework and adds a dummy CPU-based "DMA" controller driver which can be used for testing the DMA engine framework and clients on systems without a real DMA engine, such as under KVM. --- Vincent Whitchurch (2): dmaengine: Fix use-after-free on release dmaengine: Add dummy DMA controller driver drivers/dma/Kconfig | 14 +++ drivers/dma/Makefile | 1 + drivers/dma/dmaengine.c | 30 ++++-- drivers/dma/dummy-dmac.c | 258 +++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 294 insertions(+), 9 deletions(-) --- base-commit: fdf0eaf11452d72945af31804e2a1048ee1b574c change-id: 20230717-dummy-dmac-9a2e7e3ddb29 Best regards, -- Vincent Whitchurch