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[2620:137:e000::1:20]) by mx.google.com with ESMTP id o18-20020a63e352000000b0055bc97cc885si1255756pgj.614.2023.07.18.01.54.14; Tue, 18 Jul 2023 01:54:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=Xh1x7hUK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230472AbjGRIZz (ORCPT + 99 others); Tue, 18 Jul 2023 04:25:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230006AbjGRIZy (ORCPT ); Tue, 18 Jul 2023 04:25:54 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F084A188; Tue, 18 Jul 2023 01:25:53 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id ffacd0b85a97d-31427ddd3fbso5076480f8f.0; Tue, 18 Jul 2023 01:25:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689668752; x=1692260752; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=CrCUDL1/u3mCyL3fGovIg+T0/y0vvq0Eia4n2zK2lnk=; b=Xh1x7hUKw28NMEYrDzAaVRcudSvnpr6lasTNRdoaWUAXgwI7KB5bT+Wxva/xMdid1S HhYAD5Oz1YtyuXF1BEKl8jR08NqP9pd9ewCvW0UHgOakDTWZDGjl8KWwRXNnyO7FJyNt eGPX5Rai+9fifzuMRctpSvXoy4T6CvdZDHyF7/ltGTMyQBZNRTZ5t+VXLYZmpnAp65UH VQbnx33fQ41PK2HNoVLn84XhsGwvxwt8TlSwsPjxmcu63jFaBIP/YYyq3PrOk2pKUvTC QA4xTFHe3tUP7sqsMRujqv3NPQ0JYhX7c1zDrcVgHvtHVEg9YzCjEyEsNds4oL68chfd 3GWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689668752; x=1692260752; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=CrCUDL1/u3mCyL3fGovIg+T0/y0vvq0Eia4n2zK2lnk=; b=P8M4jDrZQPZAFuECwgrMRr9DIxG/xwmEK6zRbmzlFNcUI0b3cBy1gakPBZnXmFvlBy P0ynP0JlIUmOn0+z3v+ro/QN6f/yTlFiIxEyjxAbtdQvPXjqBMOLBq2rK7w/HU4JF3Jb C7TGPsQ0jYGTCJqu0Ky6Yi7/rKP8YdewQx8cXxnFSaa/UQvwH3Sc9kMR84s6AuZb2+O+ kMQe+H8CI3uHXB6JDMf4w//+PUtwZJwVDKbq8uyQuVaEQD3wFupMc8crEWxeX1UOpbd/ c5WJoJdk+Cgem4bNotgvGAALQfLPYsXAHsqlC7AzdJZS8xwbyJJE0vt+NdICuZ7lYtGS Epqg== X-Gm-Message-State: ABy/qLbSPnu595m+09iSZMstANlY3ffW4w+5IB0QsiSF8xBNbVMPZwGb CMI6/YlUz/4COB3lkyMV1/YsCXT195wGhnXJqA0= X-Received: by 2002:a5d:4c41:0:b0:316:d887:624a with SMTP id n1-20020a5d4c41000000b00316d887624amr11762324wrt.15.1689668752364; Tue, 18 Jul 2023 01:25:52 -0700 (PDT) MIME-Version: 1.0 References: <20230627164309.59922-1-dg573847474@gmail.com> In-Reply-To: <20230627164309.59922-1-dg573847474@gmail.com> From: Chengfeng Ye Date: Tue, 18 Jul 2023 16:25:41 +0800 Message-ID: Subject: Re: [PATCH] dmaengine: mediatek: mtk-hsdma: fix potential deadlock on &vc->lock To: sean.wang@mediatek.com, vkoul@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear Maintainers, I hope this message finds you well. The patch was submitted during last merged windows and I think maybe it is buried under other patches. If you've had a chance to look at it and have any feedback, I would be very appreciative. Best regards, Chengfeng