From patchwork Fri Aug 30 10:09:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 11123663 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0A656112C for ; Fri, 30 Aug 2019 10:15:59 +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 DF70A21721 for ; Fri, 30 Aug 2019 10:15:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF70A21721 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:57714 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i3dwj-0001Xz-VJ for patchwork-qemu-devel@patchwork.kernel.org; Fri, 30 Aug 2019 06:15:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58115) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i3drK-0006fY-7q for qemu-devel@nongnu.org; Fri, 30 Aug 2019 06:10:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i3drA-0005gO-QD for qemu-devel@nongnu.org; Fri, 30 Aug 2019 06:10:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42668) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i3drA-0005Kx-Co; Fri, 30 Aug 2019 06:10:12 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B0DD5307D868; Fri, 30 Aug 2019 10:10:07 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-243.ams2.redhat.com [10.36.117.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id AD060600F8; Fri, 30 Aug 2019 10:10:00 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 30 Aug 2019 12:09:57 +0200 Message-Id: <20190830100959.26615-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Fri, 30 Aug 2019 10:10:07 +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 v2 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+patchwork-qemu-devel=patchwork.kernel.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. v1 -> v2: - Rebased to tcg-next - "tcg: Make probe_write() return a pointer to the host page" -- Rephrase documentation - "tcg: Factor out probe_write() logic into probe_access()" -- Don't check the MMU index 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 | 28 ++++++++++++++----- include/exec/exec-all.h | 9 +++++-- 3 files changed, 75 insertions(+), 22 deletions(-)