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[23.128.96.36]) by mx.google.com with ESMTPS id p4-20020a635b04000000b0056546b5fef4si10986691pgb.232.2023.10.10.03.22.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 03:22:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) client-ip=23.128.96.36; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=zKbw8sin; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id 401B08022C3B; Tue, 10 Oct 2023 03:22:28 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230447AbjJJKWT (ORCPT + 99 others); Tue, 10 Oct 2023 06:22:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230483AbjJJKWR (ORCPT ); Tue, 10 Oct 2023 06:22:17 -0400 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 166729F for ; Tue, 10 Oct 2023 03:22:16 -0700 (PDT) Received: by mail-wm1-x330.google.com with SMTP id 5b1f17b1804b1-4060b623e64so33204035e9.0 for ; Tue, 10 Oct 2023 03:22:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1696933334; x=1697538134; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dOnXO7EKaf0EOokobQtVAAu2tx5uKFd7+PWdPbsHLfU=; b=zKbw8sinNvKnLQtOkwNul7+frWAb22hD3P5ancgXxP1d/Q8Vh7EgsVsgVd+EOU3PIo guceTDCCzCyfEiQU/P/n8H57WX6fULqveOHpz2CoC8eM8C7hhvCecvvh5tJW1d9+MdT3 LcBAUGzeD7yqctvIigExM4JT37Zhj+ZUHBglFIsjxEaALGG1s+JJMFFT1lLvPhAzcPWp mhbyNVxOKlao/y8pVlRtoPzvh7hw73PoMJeMSYk5eMIYDa5xzCMof/FeK4BjbzR4PkAE tRI/MRPe1/JtjeQDI5uI7UL7/ZTIj8fED6jGK5ZzqO7fieBrVk+efa/OEL5vOuIIN0aX 9iYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696933334; x=1697538134; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dOnXO7EKaf0EOokobQtVAAu2tx5uKFd7+PWdPbsHLfU=; b=We+VMk7XMeG8iW5tvXmaiDpkL5klYfemHtV/9U1rn+6lOBX1+l6HTMfH8mjDzrYzL+ QlsIu6AD8CNtIxuQzyezcQAo+Gu36OVRKn/eofjHtbhX/tiqQDPLKhNSXDbSU/jBeVo2 4mFBjncKBOanbqPwQeshlLLelqhTG5OaRCsfdp5BrSAV2DJICEMXWx15GMh5+H33WC+L bjyhQnfMlNHHYTvJT9T9dlbRa/83ur8mtBlpKOWNP1YqnSQvC8pnMR1rbkCIJI5DoYaX CUDvkr7A4QcciF1XryP3ClS2KKtjVaSiTQjuPuOSRMW4oXE7zQfbN6qwrxcEQxtSW+km IyMQ== X-Gm-Message-State: AOJu0Yz2dcty1Oh7po8y9XGbdlArg+Py1+IlHzYMceHK5dgkwhDRJk0A fi8t+lx8sGhY/PGgPYvYGWYrqg== X-Received: by 2002:a05:600c:5189:b0:406:5a14:5c1e with SMTP id fa9-20020a05600c518900b004065a145c1emr12038758wmb.1.1696933334375; Tue, 10 Oct 2023 03:22:14 -0700 (PDT) Received: from srini-hackbase.lan ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id l34-20020a05600c1d2200b003fef5e76f2csm8004398wms.0.2023.10.10.03.22.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 03:22:13 -0700 (PDT) From: Srinivas Kandagatla To: linux-arm-msm@vger.kernel.org, Ekansh Gupta Cc: ekangupt@qti.qualcomm.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, fastrpc.upstream@qti.qualcomm.com, stable In-Reply-To: <1696916367-3131-1-git-send-email-quic_ekangupt@quicinc.com> References: <1696916367-3131-1-git-send-email-quic_ekangupt@quicinc.com> Subject: Re: [PATCH v1] misc: fastrpc: Unmap only if buffer is unmapped from DSP Message-Id: <169693333362.116551.3621782633535162294.b4-ty@linaro.org> Date: Tue, 10 Oct 2023 11:22:13 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.12.2 X-Spam-Status: No, score=2.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Tue, 10 Oct 2023 03:22:28 -0700 (PDT) On Tue, 10 Oct 2023 11:09:27 +0530, Ekansh Gupta wrote: > For unmapping any buffer from kernel, it should first be unmapped > from DSP. In case unmap from DSP request fails, the map should not > be removed from kernel as it might lead to SMMU faults and other > memory issues. > > Applied, thanks! [1/1] misc: fastrpc: Unmap only if buffer is unmapped from DSP commit: d4ed3ed0086f03f210a6e171a581c332dde9e961 Best regards, -- Srinivas Kandagatla