From patchwork Sat Mar 9 06:48:49 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 226309 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 48F052C0366 for ; Sat, 9 Mar 2013 17:50:12 +1100 (EST) Received: from localhost ([::1]:39375 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UEDbe-0006mi-I8 for incoming@patchwork.ozlabs.org; Sat, 09 Mar 2013 01:50:10 -0500 Received: from eggs.gnu.org ([208.118.235.92]:40536) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UEDad-0005rR-Iu for qemu-devel@nongnu.org; Sat, 09 Mar 2013 01:49:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UEDaV-0005oe-KN for qemu-devel@nongnu.org; Sat, 09 Mar 2013 01:49:07 -0500 Received: from mail-ee0-f48.google.com ([74.125.83.48]:33959) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UEDaV-0005oM-EA for qemu-devel@nongnu.org; Sat, 09 Mar 2013 01:48:59 -0500 Received: by mail-ee0-f48.google.com with SMTP id t10so1371360eei.7 for ; Fri, 08 Mar 2013 22:48:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=f2NYOTvRcYGpsvqAAQMV36Sp/7vpxz6PfY4h4s2fdSU=; b=tQM+pbv2a0Lcoy4Xfz2tcI5myedOgdcPoH3lmDGrbpeCVu4qqUfYqGZU2Zr98xZDSG J1X/XX2riXsucS0jg1x2Z+BYnArc9/WNUlPCpBswn2nNyrpn6RNjh9FqDSqEGYbqhqiO VvWhm4RgfJt4BnWO/3o/bXD6dHQjwocyQTCSV0Td3sJm4Db6YuWoqwaohOUvIp5n0GwL mWwzCMibH8hu5m5rcpieaD1iZLKJXc36OAtqt896eY/EqJgVUvwz+uw6pCw65H/GAdFW UFnI7o8l803w9XOs4KwAqxz6thdN1FQiFJu8Q3uSPxqY30zZBjWW/mQAoqwkPZq/tIaM do8g== X-Received: by 10.14.219.7 with SMTP id l7mr3972196eep.12.1362811738655; Fri, 08 Mar 2013 22:48:58 -0800 (PST) Received: from yakj.lan (93-34-176-20.ip50.fastwebnet.it. [93.34.176.20]) by mx.google.com with ESMTPS id 44sm11727906eek.5.2013.03.08.22.48.57 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 08 Mar 2013 22:48:57 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Sat, 9 Mar 2013 07:48:49 +0100 Message-Id: <1362811730-6716-2-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1362811730-6716-1-git-send-email-pbonzini@redhat.com> References: <1362811730-6716-1-git-send-email-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 74.125.83.48 Cc: jan.kiszka@siemens.com, gnatapov@redhat.com, mtosatti@redhat.com, kvm@vger.kernel.org Subject: [Qemu-devel] [PATCH uq/master 1/2] kvm: detect errors from kvm_arch_process_async_events X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 The next patch will call a ioctl from kvm_arch_process_async_events. Trap errors and abort the program if one comes. Signed-off-by: Paolo Bonzini --- kvm-all.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/kvm-all.c b/kvm-all.c index 4decfdc..bc1534c 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1536,7 +1536,13 @@ int kvm_cpu_exec(CPUArchState *env) DPRINTF("kvm_cpu_exec()\n"); - if (kvm_arch_process_async_events(cpu)) { + ret = kvm_arch_process_async_events(cpu); + if (ret) { + if (ret < 0) { + fprintf(stderr, "error: kvm process events failed %s\n", + strerror(-ret)); + abort(); + } cpu->exit_request = 0; return EXCP_HLT; }