From patchwork Thu Sep 16 15:53:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 1528980 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) 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=) 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 4H9Mj85D4jz9t0p for ; Fri, 17 Sep 2021 02:19:08 +1000 (AEST) Received: from localhost ([::1]:36048 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mQu6M-0005HT-G2 for incoming@patchwork.ozlabs.org; Thu, 16 Sep 2021 12:19:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46574) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQtiH-0002wR-Ge; Thu, 16 Sep 2021 11:54:15 -0400 Received: from mail.csgraf.de ([85.25.223.15]:51322 helo=zulu616.server4you.de) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mQtiD-00054W-1f; Thu, 16 Sep 2021 11:54:13 -0400 Received: from localhost.localdomain (dynamic-077-009-016-098.77.9.pool.telefonica.de [77.9.16.98]) by csgraf.de (Postfix) with ESMTPSA id 23A70608068E; Thu, 16 Sep 2021 17:54:06 +0200 (CEST) From: Alexander Graf To: QEMU Developers Subject: [PATCH v12 02/10] hvf: Add execute to dirty log permission bitmap Date: Thu, 16 Sep 2021 17:53:56 +0200 Message-Id: <20210916155404.86958-3-agraf@csgraf.de> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20210916155404.86958-1-agraf@csgraf.de> References: <20210916155404.86958-1-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: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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+incoming=patchwork.ozlabs.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 Reviewed-by: Peter Maydell --- 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); } }