Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1676925pxj; Wed, 19 May 2021 11:14:01 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxM2/BODhyN9I/WHBsiDToPwipfX25FoJAt19ler0kTKVzWIoN74O7U1VRFQZX0uXhVFNE6 X-Received: by 2002:aa7:d2d4:: with SMTP id k20mr344476edr.384.1621448041469; Wed, 19 May 2021 11:14:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621448041; cv=none; d=google.com; s=arc-20160816; b=x6PTSIV72FQ/W+TYf+1Dlae4NC3/pYvII7yRiuvStWWxN9DHu/9f8VDTE6+JmK5ijW KnutdX88zsqjvEN/9PgkFAOHLBHDRn5MpjcuTSIcoqn2mFMB8ENLykSg5/shuhduSHcH fZmSieP3C2sZs5GiPGrMZVxD9Q6D3wy1VlX26R2JN6MT/AC/EhtXWexppWeJ1mBdwIpi OJknbw3qHNgganT9R4D6jtz4japSxgXjvdcK5n1IETj20xZZs/advTpQ16Ag2M+GRwKF k8hqI8WFXNvhxNxvKTeWWwlbbF79Upa42npcZJd8bpX71pIJgWebJ5PG+i21m/TJySZv 4U4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=u4eUluMRW6ql/XQGfzXi2XvOmvNCHQYvmwNvCKSF5go=; b=SGVBcikvES1WlYqXvdFk/SVKcMxJ3sDeWNqV7Zxzhm44xTx5V/3lrWQ5QSiF0NQ1+N 8XhQejwZDCZ6ACDC579Ph9XSy8iUp6EFCku/sXceC2V6vFFSiZPD5I/CoEPrmkFuGAWm l/TbrLsIOjr0AmAPPhl47Qi73i+I6Im7Ap3HxkwomOhaAfzB3kV16O+TUaZnWNpZZmpU 6va2YHdHH5N8W9UHQjbBJSsLSZ4mKbWm7HGCpblelTAclf9JGc+z1xthge376n2NEpUk QuYVAKYKDSaqdGJHOEG03sazIU3lcant1SvO7jKxELsKBXaAxpRo0apOTfW6uMB6lCUY Xrjg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=e4A7xV00; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u10si304692ejk.397.2021.05.19.11.13.37; Wed, 19 May 2021 11:14:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=e4A7xV00; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245725AbhERNz6 (ORCPT + 99 others); Tue, 18 May 2021 09:55:58 -0400 Received: from mail.skyhub.de ([5.9.137.197]:34604 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244964AbhERNzz (ORCPT ); Tue, 18 May 2021 09:55:55 -0400 Received: from zn.tnic (p200300ec2f0ae2009a42d70f2967689e.dip0.t-ipconnect.de [IPv6:2003:ec:2f0a:e200:9a42:d70f:2967:689e]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 029101EC050D; Tue, 18 May 2021 15:54:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1621346075; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=u4eUluMRW6ql/XQGfzXi2XvOmvNCHQYvmwNvCKSF5go=; b=e4A7xV00ipPerZAZZnidO8rIuXqQAptdKeIWdGsdBGFlbifHKflSDj18yhEkxz5tzO+PDh 4JCIEWF9hMQr7Ebg7T+hLJoF1fiWWp2E5XBV16Yf7wJdzih/Y46+1BBVmcE5SKS6PhaTm2 DnZf9es6K4iwVxQ/NKStQkq1+QF5TBk= Date: Tue, 18 May 2021 15:54:29 +0200 From: Borislav Petkov To: Brijesh Singh Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, tglx@linutronix.de, jroedel@suse.de, thomas.lendacky@amd.com, pbonzini@redhat.com, mingo@redhat.com, dave.hansen@intel.com, rientjes@google.com, seanjc@google.com, peterz@infradead.org, hpa@zytor.com, tony.luck@intel.com Subject: Re: [PATCH Part1 RFC v2 06/20] x86/sev: Define SNP guest request NAE events Message-ID: References: <20210430121616.2295-1-brijesh.singh@amd.com> <20210430121616.2295-7-brijesh.singh@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 18, 2021 at 08:42:44AM -0500, Brijesh Singh wrote: > This VMGEXIT is optional and is available only when the SNP feature is > advertised through HV_FEATURE VMGEXIT. The GHCB specification spells it > with the "SNP" prefix" to distinguish it from others. The other > "VMGEXIT's" defined in this file are available for both the SNP and ES > guests, so we don't need any prefixes. Sure but are there any other VMGEXIT guest requests besides those two? If not, then they're unique so we can just as well drop the SNP prefix. Bottom line is, I'd like the code to be short and readable at a glance. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette