From patchwork Wed Jun 17 10:42:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 485327 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 65401140290 for ; Wed, 17 Jun 2015 20:46:05 +1000 (AEST) Received: from localhost ([::1]:45552 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5Ar5-0000ok-J9 for incoming@patchwork.ozlabs.org; Wed, 17 Jun 2015 06:46:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55482) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5AoN-0004a4-0X for qemu-devel@nongnu.org; Wed, 17 Jun 2015 06:43:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z5AoK-0005Vj-8x for qemu-devel@nongnu.org; Wed, 17 Jun 2015 06:43:14 -0400 Received: from cantor2.suse.de ([195.135.220.15]:52298 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5AoK-0005VJ-30 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 relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7CD937501A; Wed, 17 Jun 2015 10:43:10 +0000 (UTC) From: Alexander Graf To: qemu-devel@nongnu.org Date: Wed, 17 Jun 2015 12:42:49 +0200 Message-Id: <1434537789-63782-7-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 06/26] target-s390x: initialize I/O interrupt queue 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 env->io_index[] should be set to -1 during CPU reset to mark the I/O interrupt queue as empty. Signed-off-by: Aurelien Jarno Signed-off-by: Alexander Graf --- target-s390x/cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c index c4e8a87..cc9cc37 100644 --- a/target-s390x/cpu.c +++ b/target-s390x/cpu.c @@ -106,6 +106,7 @@ static void s390_cpu_initial_reset(CPUState *s) { S390CPU *cpu = S390_CPU(s); CPUS390XState *env = &cpu->env; + int i; s390_cpu_reset(s); /* initial reset does not touch regs,fregs and aregs */ @@ -118,6 +119,9 @@ static void s390_cpu_initial_reset(CPUState *s) env->pfault_token = -1UL; env->ext_index = -1; + for (i = 0; i < ARRAY_SIZE(env->io_index); i++) { + env->io_index[i] = -1; + } /* tininess for underflow is detected before rounding */ set_float_detect_tininess(float_tininess_before_rounding, @@ -135,6 +139,7 @@ static void s390_cpu_full_reset(CPUState *s) S390CPU *cpu = S390_CPU(s); S390CPUClass *scc = S390_CPU_GET_CLASS(cpu); CPUS390XState *env = &cpu->env; + int i; scc->parent_reset(s); cpu->env.sigp_order = 0; @@ -148,6 +153,9 @@ static void s390_cpu_full_reset(CPUState *s) env->pfault_token = -1UL; env->ext_index = -1; + for (i = 0; i < ARRAY_SIZE(env->io_index); i++) { + env->io_index[i] = -1; + } /* tininess for underflow is detected before rounding */ set_float_detect_tininess(float_tininess_before_rounding,