From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 8C523C43381 for ; Mon, 4 Mar 2019 08:35:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CD8A21019 for ; Mon, 4 Mar 2019 08:35:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551688513; bh=NFYK4QflxG6hUn/W+pV0q6EzVFrcpnYki1aNStLrfF8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lncnl3sqF/639pITTYec7r80TOyB+xWjOD16Dyj3MAt7ylbd6Gph4XC1SD1Ofuz/6 gx7frRNS4htZh97Y4Z9OOIlC/uQ9JG1rFO672sg+ixbTjIAgTKLG0umO3m/vsW7uEN 6lgEqnxuJjWMriCfxZZtXwCWovX6Bp10fS2jTSkE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728413AbfCDIfL (ORCPT ); Mon, 4 Mar 2019 03:35:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:42732 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728408AbfCDIfI (ORCPT ); Mon, 4 Mar 2019 03:35:08 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 134D920836; Mon, 4 Mar 2019 08:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551688507; bh=NFYK4QflxG6hUn/W+pV0q6EzVFrcpnYki1aNStLrfF8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GunDyYsqNgrlbDs/NEHYf/p3PSBF9LAg2u2aJouK6bs3Ev0K9pkLdZjIwBJTXU5BJ 6s8mtU1ck2H2fdjWYk2k1OHpqAjr7u7Q7OH8H9OLrjTNexTRonArRp515hvc1rlfyT 4ZNMC7qlIrjQd0tTfqLLAWax/ggeCo1tWM+TCURw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vitaly Kuznetsov , Paolo Bonzini , Sasha Levin Subject: [PATCH 4.20 67/88] KVM: selftests: check returned evmcs version range Date: Mon, 4 Mar 2019 09:22:50 +0100 Message-Id: <20190304081633.235146201@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190304081630.610632175@linuxfoundation.org> References: <20190304081630.610632175@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 35b531a1e7fc30ac8c62e5ac1794eb1460da614e ] Check that KVM_CAP_HYPERV_ENLIGHTENED_VMCS returns correct version range. Signed-off-by: Vitaly Kuznetsov Signed-off-by: Paolo Bonzini Signed-off-by: Sasha Levin --- tools/testing/selftests/kvm/x86_64/evmcs_test.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c index ea3c73e8f4f6e..c49c2a28b0eb2 100644 --- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c +++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c @@ -103,6 +103,12 @@ int main(int argc, char *argv[]) vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap); + /* KVM should return supported EVMCS version range */ + TEST_ASSERT(((evmcs_ver >> 8) >= (evmcs_ver & 0xff)) && + (evmcs_ver & 0xff) > 0, + "Incorrect EVMCS version range: %x:%x\n", + evmcs_ver & 0xff, evmcs_ver >> 8); + run = vcpu_state(vm, VCPU_ID); vcpu_regs_get(vm, VCPU_ID, ®s1); -- 2.19.1