From patchwork Mon Apr 15 22:21:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nadav Amit X-Patchwork-Id: 10901651 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B0246139A for ; Mon, 15 Apr 2019 22:21:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 95DED28517 for ; Mon, 15 Apr 2019 22:21:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 868B328893; Mon, 15 Apr 2019 22:21:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E6ED28517 for ; Mon, 15 Apr 2019 22:21:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727437AbfDOWVI (ORCPT ); Mon, 15 Apr 2019 18:21:08 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:33239 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726609AbfDOWVI (ORCPT ); Mon, 15 Apr 2019 18:21:08 -0400 Received: by mail-pg1-f196.google.com with SMTP id k19so9285007pgh.0 for ; Mon, 15 Apr 2019 15:21:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=R7o/HxXcrSf1dUo+93q7ZbQq6cPsJsXuEsenie7hfRU=; b=Y72Cpd8DzdV1ccpXJv/apk15EhXYs4gSBIl9wZV735MvYpofhBYiDLeIHW0sHMLrRW oKJCVundQ8Wyy/2obNMsdrOLvFAKtYf5KcD4ufuYK6f72MKR2Ej7vUxtaYseb1pKeuh6 ouVdxccS8BWMyiWUGa5yaSTkSKT4R5sVkPIqiwhrHWph+u6ethXvx8S87+K2i9SRk8Vv sdmdgXPVDdyzBA9pEyaKnNR/qCOP8XHO9zagNmMIuw3VAp0fMTuAoWcIACXUYVYpPhKa yz7QpiGPKqDDva8ybwtjfCoWuG0dzc2aoQh29ns0lXujjeIEo0gGAFRK8wRmMCicdAbb FqnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=R7o/HxXcrSf1dUo+93q7ZbQq6cPsJsXuEsenie7hfRU=; b=QXdwZ4W96LFcepHQMTQU/K9IdmL5FQjzk1ycZmDHaf8JNInq4cDNO+9mIuOA4GHE0D 4pjaPstNz7pvUzLcJve1E/HG/sVkxPUAsOAEkXaTyb5adeogbbI5lEvnm4VB8AMKLYSj BUWKQPOgVHNkIL1924Il9ZZrvcN2A/0ah83+2qHeqxVqOuBxUTarokji5tsIQxkjF4ke 9hpyli+H040em6wH35WGA0FXtGJgjmOHnycdfkXY7MyHugSb7+tP+qeQvE//g7xbAH/s 06UlUaRD9TzmpECqwG9Sv4LYCTQes8fwll/ylK6KZOhzNUnKp5+4YXlvbMgtFhzQWzqz tKig== X-Gm-Message-State: APjAAAVObREzFIeAIitNiiZKl3xtVGPthNorU9N+7DCRjAmPRedD43Ii dU2rnQuHU9OwmTQGacT5V2A= X-Google-Smtp-Source: APXvYqydQpHgOTJtxQ/z81BbRkOB/OsX2dSs+7MdlfoB6TmTgvGFGERJfxEpI0wRkaIfYHJFXlWl+Q== X-Received: by 2002:a63:d304:: with SMTP id b4mr72745471pgg.300.1555366866653; Mon, 15 Apr 2019 15:21:06 -0700 (PDT) Received: from htb-2n-eng-dhcp405.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id o5sm149346074pfa.135.2019.04.15.15.21.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Apr 2019 15:21:05 -0700 (PDT) From: nadav.amit@gmail.com To: Paolo Bonzini Cc: kvm@vger.kernel.org, Nadav Amit Subject: [PATCH] x86: Fix allowed IA32_VMX_VMCS_ENUM values Date: Mon, 15 Apr 2019 15:21:04 -0700 Message-Id: <20190415222104.21367-1-nadav.amit@gmail.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Nadav Amit According to the SDM, IA32_VMX_VMCS_ENUM indicates to software the highest index value used in the encoding of any field supported by the processor: Bits 9:1 contain the highest index value used for any VMCS encoding. Signed-off-by: Nadav Amit Reviewed-by: Sean Christopherson --- x86/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/x86/vmx.c b/x86/vmx.c index 6ba56bc..f713ada 100644 --- a/x86/vmx.c +++ b/x86/vmx.c @@ -1470,7 +1470,7 @@ static void test_vmx_caps(void) val = rdmsr(MSR_IA32_VMX_VMCS_ENUM); report("MSR_IA32_VMX_VMCS_ENUM", - (val & 0x3e) >= 0x2a && + (val & 0x1fe) >= 0x2a && (val & 0xfffffffffffffc01Ull) == 0); val = rdmsr(MSR_IA32_VMX_EPT_VPID_CAP);