From nobody Sun May 11 12:51:20 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1701800611; cv=none; d=zohomail.com; s=zohoarc; b=J78sSiO7xDJv8LDDswE6x0fyToUtCDjeTyKQKeSRseLLqq3WvgSgZrM4kOqyKbbtZOV3lsNgGY1/YRZsrNwWOsF0pLq2eub9AAu8AIwuQSG0U2kFMp+7e7IQYuMsEwfauifEavflqAI3A9bXwDyOcFKEgnTvyGD6cURQzs6oIqo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1701800611; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=H+WxIOWX4SMnf2UESX0n+F/AkXzvUVoPbzHBDgPUzKs=; b=e7VjYGQpuYURaQlG9C301dz3dUOYEPRu8JeVmE7hNofqzOjqjHaZcSWAxiTEEyp8z4DMpUSWga16CNAfro6zM9X4CYqXSkTAR1OCmCOyV/tK6as2lz3wfSOYzJIWkmLxwYPWywdGLMcExUzjwbUlX+1LdJ/yz7ARmfm6m5MpJ8c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1701800611672439.06133933311844; Tue, 5 Dec 2023 10:23:31 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rAa3T-00019q-6D; Tue, 05 Dec 2023 13:22:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rAa2a-0000HC-6w for qemu-devel@nongnu.org; Tue, 05 Dec 2023 13:21:05 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rAa2N-0002oA-HX for qemu-devel@nongnu.org; Tue, 05 Dec 2023 13:21:03 -0500 Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-342-31YqxZDJOkGkEymZe14SUA-1; Tue, 05 Dec 2023 13:20:49 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1234A29ABA04; Tue, 5 Dec 2023 18:20:48 +0000 (UTC) Received: from localhost (unknown [10.39.194.111]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6B81D40C6EB9; Tue, 5 Dec 2023 18:20:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1701800450; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=H+WxIOWX4SMnf2UESX0n+F/AkXzvUVoPbzHBDgPUzKs=; b=ZMYVVjI4NtXSCh351Nq3U7u77fpElpHhzan3ONo8ahKi60y3Z5gKhy39VJ3/cHVrFnHJJj PxsJ7GIAu+Fm9lNpcxBd4S4tZH50HjdSKAvnmGlepc+zfUUMmqDd5CnAMfU5+U+SwRLaMu +UydyesCU0yGAKR8xqkWKR/JHyaGAJo= X-MC-Unique: 31YqxZDJOkGkEymZe14SUA-1 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Stefan Hajnoczi , Vladimir Sementsov-Ogievskiy , Cleber Rosa , Xie Changlong , Paul Durrant , Ari Sundholm , Jason Wang , Eric Blake , John Snow , Eduardo Habkost , Wen Congyang , Alberto Garcia , Anthony Perard , "Michael S. Tsirkin" , Stefano Stabellini , qemu-block@nongnu.org, Juan Quintela , Paolo Bonzini , Kevin Wolf , Coiby Xu , Fabiano Rosas , Hanna Reitz , Zhang Chen , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Pavel Dovgalyuk , Peter Xu , Emanuele Giuseppe Esposito , Fam Zheng , Leonardo Bras , David Hildenbrand , Li Zhijian , xen-devel@lists.xenproject.org Subject: [PATCH v2 12/14] scsi: remove outdated AioContext lock comment Date: Tue, 5 Dec 2023 13:20:09 -0500 Message-ID: <20231205182011.1976568-13-stefanha@redhat.com> In-Reply-To: <20231205182011.1976568-1-stefanha@redhat.com> References: <20231205182011.1976568-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1701800612537100003 Content-Type: text/plain; charset="utf-8" The SCSI subsystem no longer uses the AioContext lock. Request processing runs exclusively in the BlockBackend's AioContext since "scsi: only access SCSIDevice->requests from one thread" and hence the lock is unnecessary. Signed-off-by: Stefan Hajnoczi Reviewed-by: Eric Blake --- hw/scsi/scsi-disk.c | 1 - 1 file changed, 1 deletion(-) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 61be3d395a..2e7e1e9a1c 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -355,7 +355,6 @@ done: scsi_req_unref(&r->req); } =20 -/* Called with AioContext lock held */ static void scsi_dma_complete(void *opaque, int ret) { SCSIDiskReq *r =3D (SCSIDiskReq *)opaque; --=20 2.43.0