From patchwork Wed Aug 28 11:10:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 1154346 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=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com 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 ozlabs.org (Postfix) with ESMTPS id 46JNMt5jDMz9sDB for ; Wed, 28 Aug 2019 21:11:04 +1000 (AEST) Received: from localhost ([::1]:34860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i2vqv-0002Ma-Je for incoming@patchwork.ozlabs.org; Wed, 28 Aug 2019 07:11:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34706) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i2vq5-0002Jx-VB for qemu-devel@nongnu.org; Wed, 28 Aug 2019 07:10:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i2vq3-0004vr-Qi for qemu-devel@nongnu.org; Wed, 28 Aug 2019 07:10:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42936) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i2vq3-0004tM-M2; Wed, 28 Aug 2019 07:10:07 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AD5E881DE8; Wed, 28 Aug 2019 11:10:06 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-166.ams2.redhat.com [10.36.117.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id DFA6119D7A; Wed, 28 Aug 2019 11:10:04 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Wed, 28 Aug 2019 13:10:02 +0200 Message-Id: <20190828111004.28013-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 28 Aug 2019 11:10:06 +0000 (UTC) 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 v1 0/2] tcg: Introduce probe_access() and return a host pointer 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: Thomas Huth , Riku Voipio , David Hildenbrand , Cornelia Huck , qemu-s390x@nongnu.org, Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Let's return a host pointer from probe_access() if possible and provide probe_access(). s390x will soon make use of probe_access() and use the provided host pointer. Based on tcg-next and "tcg: probe_write() refactorings". Cc: Paolo Bonzini Cc: Riku Voipio David Hildenbrand (2): tcg: Make probe_write() return a pointer to the host page tcg: Factor out probe_write() logic into probe_access() accel/tcg/cputlb.c | 60 +++++++++++++++++++++++++++++++---------- accel/tcg/user-exec.c | 27 +++++++++++++++---- include/exec/exec-all.h | 9 +++++-- 3 files changed, 75 insertions(+), 21 deletions(-)