From patchwork Wed Nov 29 20:26:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 842743 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 3ynC0l0LYGz9s4s for ; Thu, 30 Nov 2017 07:33:24 +1100 (AEDT) Received: from localhost ([::1]:45075 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eK92m-0002io-7e for incoming@patchwork.ozlabs.org; Wed, 29 Nov 2017 15:33:20 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46514) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eK8xF-0006TD-49 for qemu-devel@nongnu.org; Wed, 29 Nov 2017 15:27:38 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eK8xE-00082Y-BX for qemu-devel@nongnu.org; Wed, 29 Nov 2017 15:27:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33962) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eK8xE-00082I-6O; Wed, 29 Nov 2017 15:27:36 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 427876A7D6; Wed, 29 Nov 2017 20:27:35 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-29.ams2.redhat.com [10.36.116.29]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5F9665D964; Wed, 29 Nov 2017 20:27:33 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Date: Wed, 29 Nov 2017 21:26:55 +0100 Message-Id: <20171129202701.16117-11-david@redhat.com> In-Reply-To: <20171129202701.16117-1-david@redhat.com> References: <20171129202701.16117-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 29 Nov 2017 20:27:35 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 for-2.12 10/16] s390x/tcg: use s390_program_interrupt() in SCLP Service Call 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: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , Christian Borntraeger , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Now we can drop potential_page_fault(). While at it, move the unlock further up, looks cleaner. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson Reviewed-by: Thomas Huth --- target/s390x/misc_helper.c | 5 ++--- target/s390x/translate.c | 1 - 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c index 556340756c..02654617b3 100644 --- a/target/s390x/misc_helper.c +++ b/target/s390x/misc_helper.c @@ -62,11 +62,10 @@ uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, uint64_t r2) { qemu_mutex_lock_iothread(); int r = sclp_service_call(env, r1, r2); + qemu_mutex_unlock_iothread(); if (r < 0) { - program_interrupt(env, -r, 4); - r = 0; + s390_program_interrupt(env, -r, 4, GETPC()); } - qemu_mutex_unlock_iothread(); return r; } diff --git a/target/s390x/translate.c b/target/s390x/translate.c index d0859c4bc7..76b222b0ce 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3704,7 +3704,6 @@ static ExitStatus op_sqxb(DisasContext *s, DisasOps *o) static ExitStatus op_servc(DisasContext *s, DisasOps *o) { check_privileged(s); - potential_page_fault(s); gen_helper_servc(cc_op, cpu_env, o->in2, o->in1); set_cc_static(s); return NO_EXIT;