From patchwork Mon Jun 20 16:08:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 12887882 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 4E64CCCA47C for ; Mon, 20 Jun 2022 16:12:04 +0000 (UTC) Received: from localhost ([::1]:43410 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3K0R-00005F-4h for qemu-devel@archiver.kernel.org; Mon, 20 Jun 2022 12:12:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45806) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o3JxE-0004uL-KB; Mon, 20 Jun 2022 12:08:44 -0400 Received: from mail.csgraf.de ([85.25.223.15]:48660 helo=zulu616.server4you.de) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3JxC-0001it-7t; Mon, 20 Jun 2022 12:08:44 -0400 Received: from localhost.localdomain (dynamic-077-007-106-140.77.7.pool.telefonica.de [77.7.106.140]) by csgraf.de (Postfix) with ESMTPSA id 097ED6080263; Mon, 20 Jun 2022 18:08:21 +0200 (CEST) From: Alexander Graf To: Peter Maydell Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH] target/arm: Catch invalid kvm state also for hvf Date: Mon, 20 Jun 2022 18:08:19 +0200 Message-Id: <20220620160819.65191-1-agraf@csgraf.de> X-Mailer: git-send-email 2.32.1 (Apple Git-133) 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Some features such as running in EL3 or running M profile code are incompatible with virtualization as QEMU implements it today. To prevent users from picking invalid configurations on Hvf as well, let's run the same checks there as well. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1073 Signed-off-by: Alexander Graf --- target/arm/cpu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 1b5d535788..03510f29f9 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1490,7 +1490,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) } } - if (kvm_enabled()) { + if (kvm_enabled() || hvf_enabled()) { /* * Catch all the cases which might cause us to create more than one * address space for the CPU (otherwise we will assert() later in @@ -1498,17 +1498,17 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) */ if (arm_feature(env, ARM_FEATURE_M)) { error_setg(errp, - "Cannot enable KVM when using an M-profile guest CPU"); + "Cannot enable KVM or HVF when using an M-profile guest CPU"); return; } if (cpu->has_el3) { error_setg(errp, - "Cannot enable KVM when guest CPU has EL3 enabled"); + "Cannot enable KVM or HVF when guest CPU has EL3 enabled"); return; } if (cpu->tag_memory) { error_setg(errp, - "Cannot enable KVM when guest CPUs has MTE enabled"); + "Cannot enable KVM or HVF when guest CPUs has MTE enabled"); return; } }