From patchwork Wed Jun 17 10:42:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 485337 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)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 5CAA11401DA for ; Wed, 17 Jun 2015 20:52:17 +1000 (AEST) Received: from localhost ([::1]:45611 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5Ax5-0002zy-HU for incoming@patchwork.ozlabs.org; Wed, 17 Jun 2015 06:52:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55511) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5AoN-0004aE-Mf for qemu-devel@nongnu.org; Wed, 17 Jun 2015 06:43:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z5AoK-0005WI-DI for qemu-devel@nongnu.org; Wed, 17 Jun 2015 06:43:15 -0400 Received: from cantor2.suse.de ([195.135.220.15]:52300 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5AoK-0005VM-4X for qemu-devel@nongnu.org; Wed, 17 Jun 2015 06:43:12 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 951CB7501B; Wed, 17 Jun 2015 10:43:10 +0000 (UTC) From: Alexander Graf To: qemu-devel@nongnu.org Date: Wed, 17 Jun 2015 12:42:50 +0200 Message-Id: <1434537789-63782-8-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1434537789-63782-1-git-send-email-agraf@suse.de> References: <1434537789-63782-1-git-send-email-agraf@suse.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-Received-From: 195.135.220.15 Cc: peter.maydell@linaro.org, Aurelien Jarno Subject: [Qemu-devel] [PULL 07/26] target-s390x: fix s390_cpu_initial_reset 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 From: Aurelien Jarno The s390_cpu_initial_reset function zeroes a big part of the CPU state structure, including CPU_COMMON, and thus the QEMU TLB structure. As they should not be initialized with zeroes only, we need to call the tlb_flush to initialize it correctly. Signed-off-by: Aurelien Jarno Signed-off-by: Alexander Graf --- target-s390x/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c index cc9cc37..ba7a887 100644 --- a/target-s390x/cpu.c +++ b/target-s390x/cpu.c @@ -131,6 +131,7 @@ static void s390_cpu_initial_reset(CPUState *s) if (kvm_enabled()) { kvm_s390_reset_vcpu(cpu); } + tlb_flush(s, 1); } /* CPUClass:reset() */