From patchwork Thu Jun 27 18:12:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 1953545 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=itHxsj8Z; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W96C86dYpz20Xm for ; Fri, 28 Jun 2024 04:13:56 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMtcK-0005Os-CV; Thu, 27 Jun 2024 14:13:08 -0400 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 1sMtcJ-0005OL-Gx for qemu-devel@nongnu.org; Thu, 27 Jun 2024 14:13:07 -0400 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 1sMtcI-0006fX-1h for qemu-devel@nongnu.org; Thu, 27 Jun 2024 14:13:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719511985; 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; bh=Pwo/fBkuaL9XPlLtX2AnthhquWCyCxI1SEdOhNqbKqU=; b=itHxsj8ZN6bh2h1MDUoTY3DlPgWIfT+gX+tuKeBVcJXDt+TswaGBoG7NXKg6kiNWwtRcZH 4LpcXVPNn4B3yamW9KSSsRzNZiYYLw1B6874MYA04XzRsphRMJ7kQe9aE8YzP4rUHlWJ4Z /tiR+ohPSsJLRoJ6OKeRKi/2DZ1ZT4c= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-260-xUnxET_QPbGP3CKttNDvIw-1; Thu, 27 Jun 2024 14:13:03 -0400 X-MC-Unique: xUnxET_QPbGP3CKttNDvIw-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (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 mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9C7AC19560AB; Thu, 27 Jun 2024 18:13:02 +0000 (UTC) Received: from merkur.redhat.com (unknown [10.39.192.213]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6EF2E1955BD4; Thu, 27 Jun 2024 18:13:00 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, stefanha@redhat.com, eblake@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org Subject: [PATCH 0/2] block/graph-lock: Make WITH_GRAPH_RDLOCK_GUARD() fully checked Date: Thu, 27 Jun 2024 20:12:43 +0200 Message-ID: <20240627181245.281403-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.212, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Newer clang versions allow us to check scoped guards more thoroughly. Surprisingly, we only seem to have missed one instance with the old incomplete checks. Kevin Wolf (2): block-copy: Fix missing graph lock block/graph-lock: Make WITH_GRAPH_RDLOCK_GUARD() fully checked include/block/graph-lock.h | 21 ++++++++++++++------- block/block-copy.c | 4 +++- meson.build | 14 +++++++++++++- 3 files changed, 30 insertions(+), 9 deletions(-) Reviewed-by: Stefan Hajnoczi