From nobody Mon Feb 9 09:51:55 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1487362235972614.2319022943533; Fri, 17 Feb 2017 12:10:35 -0800 (PST) Received: from localhost ([::1]:55617 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ceorR-0001E0-Kl for importer@patchew.org; Fri, 17 Feb 2017 15:10:33 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44144) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ceobp-000438-0H for qemu-devel@nongnu.org; Fri, 17 Feb 2017 14:54:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ceobm-0005Un-7U for qemu-devel@nongnu.org; Fri, 17 Feb 2017 14:54:25 -0500 Received: from mail.kernel.org ([198.145.29.136]:34332) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ceobm-0005UJ-0d for qemu-devel@nongnu.org; Fri, 17 Feb 2017 14:54:22 -0500 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1B4AD20131; Fri, 17 Feb 2017 19:54:20 +0000 (UTC) Received: from redhat.com (pool-96-237-235-121.bstnma.fios.verizon.net [96.237.235.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8AB9B20204; Fri, 17 Feb 2017 19:54:18 +0000 (UTC) Date: Fri, 17 Feb 2017 21:54:17 +0200 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <1487361200-29966-8-git-send-email-mst@redhat.com> References: <1487361200-29966-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1487361200-29966-1-git-send-email-mst@redhat.com> X-Mailer: git-send-email 2.8.0.287.g0deeb61 X-Mutt-Fcc: =sent X-Virus-Scanned: ClamAV using ClamSMTP Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 198.145.29.136 Subject: [Qemu-devel] [PULL 07/23] exec: make address_space_cache_destroy idempotent X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Peter Crosthwaite , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Stefan Hajnoczi , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Paolo Bonzini Clear cache->mr so that address_space_cache_destroy does nothing the second time it is called. Reviewed-by: Stefan Hajnoczi Signed-off-by: Paolo Bonzini Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- exec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/exec.c b/exec.c index 6fa337b..865a1e8 100644 --- a/exec.c +++ b/exec.c @@ -3166,6 +3166,7 @@ void address_space_cache_destroy(MemoryRegionCache *c= ache) xen_invalidate_map_cache_entry(cache->ptr); } memory_region_unref(cache->mr); + cache->mr =3D NULL; } =20 /* Called from RCU critical section. This function has the same --=20 MST