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[23.128.96.35]) by mx.google.com with ESMTPS id q8-20020aa78428000000b006b43657e872si1594148pfn.184.2023.10.17.06.21.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:21:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) client-ip=23.128.96.35; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=ock2JMUf; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 55B1B80B289B; Tue, 17 Oct 2023 06:21:14 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235016AbjJQNVH (ORCPT + 99 others); Tue, 17 Oct 2023 09:21:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343861AbjJQNU7 (ORCPT ); Tue, 17 Oct 2023 09:20:59 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BE68FB; Tue, 17 Oct 2023 06:20:58 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50275C433C7; Tue, 17 Oct 2023 13:20:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1697548857; bh=DEkqNmzds8Ci2deusV9ND8pFusPHgNOReVI/jawew0Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ock2JMUfJwdoHyb/39iHGSKBLqXiz1VSRyQXb7dbPCxRFUudSIzbkzLcm1gZrDi9s +OPWx4xWe2WhwHh63Ajg9RmvchBzCxurREEF1nMcMvsaVUmrgkpYbFy6PHod1qzQT2 v9krwUa9+xz6XJqVGms5qmzq3Owv5ZZVu4bFw1Wk= Date: Tue, 17 Oct 2023 15:20:48 +0200 From: Greg KH To: Ekansh Gupta Cc: srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org, ekangupt@qti.qualcomm.com, linux-kernel@vger.kernel.org, fastrpc.upstream@qti.qualcomm.com Subject: Re: [PATCH v4 4/5] misc: fastrpc: Add support to save and restore interrupted Message-ID: <2023101739-heftiness-reproach-ef96@gregkh> References: <1697534799-5124-1-git-send-email-quic_ekangupt@quicinc.com> <1697534799-5124-5-git-send-email-quic_ekangupt@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1697534799-5124-5-git-send-email-quic_ekangupt@quicinc.com> X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.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 (groat.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:21:14 -0700 (PDT) On Tue, Oct 17, 2023 at 02:56:38PM +0530, Ekansh Gupta wrote: > For any remote call, driver sends a message to DSP using RPMSG > framework. After message is sent, there is a wait on a completion > object at driver which is completed when DSP response is received. > > There is a possibility that a signal is received while waiting > causing the wait function to return -ERESTARTSYS. In this case > the context should be saved and it should get restored for the > next invocation for the thread. > > Adding changes to support saving and restoring of interrupted > fastrpc contexts. > > Signed-off-by: Ekansh Gupta > Change-Id: Ia101acf7c1bf6018635536082bf7ea009093c948 > --- > Changes in v2: > - Fixed missing definition > - Fixes compile time issue You forgot to run checkpatch.pl :(