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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CB49C433EF for ; Wed, 23 Mar 2022 14:24:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244751AbiCWOZz (ORCPT ); Wed, 23 Mar 2022 10:25:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244678AbiCWOZy (ORCPT ); Wed, 23 Mar 2022 10:25:54 -0400 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5CCEDEDF; Wed, 23 Mar 2022 07:24:21 -0700 (PDT) Received: by mail-ej1-x62d.google.com with SMTP id r22so3138975ejs.11; Wed, 23 Mar 2022 07:24:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=xxM/CCiZqmy9dWayhpcsnysAin++6OStfr44+GkTcw0=; b=LdcFoB1uCbYp/KQmdXmuKc4HRQNzV99UWZs93wZEeI4BwrG7d+a2NKtTwJLVNU5x0z rtb2kfUl9rmjBqMvdGi7b95HGL7kwZPmqpkwDwd0UJ5rQCk5i5+bjId909aT7jsyZrtl sW6W+shCkt7wEOSsfGi+IDHxf4dYwUk1rNfA0JJyEkYcXg/wrpzy234LWQJjgGSjwSAV e8tBwUx6MnYyTVo7xIz/43wsgZdc+FJNM/EmCYHVQ62KGVfTspitO1ykd3VI2Yl4Ka1Y w/dVSOQWk7EPJ2rjCmaErI9advMUOH7eT3giTfotfcBcy6IwtlXe+T2pIVzP5fc4+hzq 7o3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:message-id:date:mime-version:user-agent :subject:content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=xxM/CCiZqmy9dWayhpcsnysAin++6OStfr44+GkTcw0=; b=l+N10lrLDSNttkUV5uaWdBLIiSpvjGybwEsNsdxZepxNVpP04viaHJ2go8Zw/Z6nyt 56fLSm4nPMOKNIybSmXBAQyRUMhmaX5nXXpGLGjaQTYqdPtOwrK0DZAgos5ZN8kUyGGT AvnuEVNbULuXvsdouPqkrKKeKOGFKs7/PlumrpMPVQU4eqlGxiWPtgW6WsOHFhKj7uNw vzo33b+psQFqwJuwnAEyczCGRs0k2iGb7VaYrgep/TWqC1jYEyke1pp21z7jDjdBI/4q 4+BxKI19sYoGyFtZGzPLKsG4ehY6xIBP4vdB4k9zgZrSb/lPjJiRvkq4xozmiRjJCqkY EN6A== X-Gm-Message-State: AOAM533R/wbnNjKjb0ht8nfEUr3KYUxlIkVFLO1Rue8iwn6tnAeanvbJ TC9fai3gYY8jeQ32DEInSOI= X-Google-Smtp-Source: ABdhPJykBB6DNurIzRR5b4gOQQyE2jIBjMtPp159C7bzAKeSXaAF6aLqtptppOrRQKTnhQoxuzBqog== X-Received: by 2002:a17:906:3a55:b0:6ce:c2ee:3e10 with SMTP id a21-20020a1709063a5500b006cec2ee3e10mr214494ejf.210.1648045460145; Wed, 23 Mar 2022 07:24:20 -0700 (PDT) Received: from ?IPV6:2001:b07:6468:f312:1c09:f536:3de6:228c? ([2001:b07:6468:f312:1c09:f536:3de6:228c]) by smtp.googlemail.com with ESMTPSA id jg22-20020a170907971600b006df9ff416ccsm7839ejc.137.2022.03.23.07.24.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Mar 2022 07:24:19 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <01c86f82-0c61-94c1-602c-f62d176c9ad7@gnu.org> Date: Wed, 23 Mar 2022 15:24:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: ping Re: [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test Content-Language: en-US To: Thomas Gleixner , dave.hansen@linux.intel.com Cc: yang.zhong@intel.com, ravi.v.shankar@intel.com, mingo@redhat.com, "Chang S. Bae" , bp@alien8.de, x86@kernel.org, linux-kernel@vger.kernel.org, KVM list References: <20220129173647.27981-1-chang.seok.bae@intel.com> <87a6dgam7b.ffs@tglx> <877d8kakwg.ffs@tglx> From: Paolo Bonzini In-Reply-To: <877d8kakwg.ffs@tglx> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/23/22 13:55, Thomas Gleixner wrote: > --- a/arch/x86/kernel/fpu/xstate.c > +++ b/arch/x86/kernel/fpu/xstate.c > @@ -1625,6 +1625,8 @@ static int __xstate_request_perm(u64 per > > /* Calculate the resulting kernel state size */ > mask = permitted | requested; > + /* Take supervisor states into account */ > + mask |= xfeatures_mask_supervisor(); > ksize = xstate_calculate_size(mask, compacted); > This should be only added in for the !guest case. Paolo