From patchwork Sun Sep 12 23:07:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 12487703 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 901AFC433F5 for ; Sun, 12 Sep 2021 23:09:21 +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 312D1610A3 for ; Sun, 12 Sep 2021 23:09:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 312D1610A3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgraf.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:57070 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mPYbA-00051B-CB for qemu-devel@archiver.kernel.org; Sun, 12 Sep 2021 19:09:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34114) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mPYZx-0002Bz-7F; Sun, 12 Sep 2021 19:08:05 -0400 Received: from mail.csgraf.de ([85.25.223.15]:43500 helo=zulu616.server4you.de) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mPYZt-0003ES-Va; Sun, 12 Sep 2021 19:08:05 -0400 Received: from localhost.localdomain (dynamic-095-117-028-179.95.117.pool.telefonica.de [95.117.28.179]) by csgraf.de (Postfix) with ESMTPSA id 9809560805EC; Mon, 13 Sep 2021 01:07:59 +0200 (CEST) From: Alexander Graf To: QEMU Developers Subject: [PATCH v9 02/11] hvf: Add execute to dirty log permission bitmap Date: Mon, 13 Sep 2021 01:07:48 +0200 Message-Id: <20210912230757.41096-3-agraf@csgraf.de> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20210912230757.41096-1-agraf@csgraf.de> References: <20210912230757.41096-1-agraf@csgraf.de> MIME-Version: 1.0 Received-SPF: pass client-ip=85.25.223.15; envelope-from=agraf@csgraf.de; helo=zulu616.server4you.de X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Peter Maydell , Eduardo Habkost , Sergio Lopez , Peter Collingbourne , Richard Henderson , Cameron Esfahani , Roman Bolshakov , qemu-arm , Frank Yang , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hvf's permission bitmap during and after dirty logging does not include the HV_MEMORY_EXEC permission. At least on Apple Silicon, this leads to instruction faults once dirty logging was enabled. Add the bit to make it work properly. Signed-off-by: Alexander Graf --- accel/hvf/hvf-accel-ops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/accel/hvf/hvf-accel-ops.c b/accel/hvf/hvf-accel-ops.c index d1691be989..71cc2fa70f 100644 --- a/accel/hvf/hvf-accel-ops.c +++ b/accel/hvf/hvf-accel-ops.c @@ -239,12 +239,12 @@ static void hvf_set_dirty_tracking(MemoryRegionSection *section, bool on) if (on) { slot->flags |= HVF_SLOT_LOG; hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size, - HV_MEMORY_READ); + HV_MEMORY_READ | HV_MEMORY_EXEC); /* stop tracking region*/ } else { slot->flags &= ~HVF_SLOT_LOG; hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size, - HV_MEMORY_READ | HV_MEMORY_WRITE); + HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC); } }