From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9366C43331 for ; Fri, 6 Sep 2019 07:59:57 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A7BB32070C for ; Fri, 6 Sep 2019 07:59:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7BB32070C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53170 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i699w-00053G-3T for qemu-devel@archiver.kernel.org; Fri, 06 Sep 2019 03:59:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41869) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i6984-0003Ji-Mj for qemu-devel@nongnu.org; Fri, 06 Sep 2019 03:58:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i6983-0002av-JC for qemu-devel@nongnu.org; Fri, 06 Sep 2019 03:58:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51812) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i6983-0002aG-Cp; Fri, 06 Sep 2019 03:57:59 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B110F3175284; Fri, 6 Sep 2019 07:57:58 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-162.ams2.redhat.com [10.36.117.162]) by smtp.corp.redhat.com (Postfix) with ESMTP id EC61E1001955; Fri, 6 Sep 2019 07:57:55 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 6 Sep 2019 09:57:23 +0200 Message-Id: <20190906075750.14791-2-david@redhat.com> In-Reply-To: <20190906075750.14791-1-david@redhat.com> References: <20190906075750.14791-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Fri, 06 Sep 2019 07:57:58 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 01/28] s390x/tcg: Reset exception_index to -1 instead of 0 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Florian Weimer , Thomas Huth , David Hildenbrand , Cornelia Huck , Stefano Brivio , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We use the marker "-1" for "no exception". s390_cpu_do_interrupt() might get confused by that. Signed-off-by: David Hildenbrand --- target/s390x/mem_helper.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 29fcce426e..39ee9b3175 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1747,7 +1747,7 @@ uint32_t HELPER(tprot)(CPUS390XState *env, uint64_t= a1, uint64_t a2) =20 if (env->int_pgm_code =3D=3D PGM_PROTECTION) { /* retry if reading is possible */ - cs->exception_index =3D 0; + cs->exception_index =3D -1; if (!s390_cpu_virt_mem_check_read(cpu, a1, 0, 1)) { /* Fetching permitted; storing not permitted */ return 1; @@ -1757,7 +1757,7 @@ uint32_t HELPER(tprot)(CPUS390XState *env, uint64_t= a1, uint64_t a2) switch (env->int_pgm_code) { case PGM_PROTECTION: /* Fetching not permitted; storing not permitted */ - cs->exception_index =3D 0; + cs->exception_index =3D -1; return 2; case PGM_ADDRESSING: case PGM_TRANS_SPEC: @@ -1767,7 +1767,7 @@ uint32_t HELPER(tprot)(CPUS390XState *env, uint64_t= a1, uint64_t a2) } =20 /* Translation not available */ - cs->exception_index =3D 0; + cs->exception_index =3D -1; return 3; } =20 --=20 2.21.0