Date: Tue, 15 Nov 2016 13:14:56 +0100
From: Borislav Petkov <bp@alien8.de>
To: Joerg Roedel <joro@8bytes.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>, linux-arch@vger.kernel.org,
        linux-efi@vger.kernel.org, kvm@vger.kernel.org,
        linux-doc@vger.kernel.org, x86@kernel.org,
        linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
        linux-mm@kvack.org, iommu@lists.linux-foundation.org,
        Rik van Riel <riel@redhat.com>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        Arnd Bergmann <arnd@arndb.de>, Jonathan Corbet <corbet@lwn.net>,
        Matt Fleming <matt@codeblueprint.co.uk>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Larry Woodman <lwoodman@redhat.com>, Ingo Molnar <mingo@redhat.com>,
        Andy Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [RFC PATCH v3 04/20] x86: Handle reduction in physical address
 size with SME
Message-ID: <20161115121456.f4slpk4i2jl3e2ke@pd.tnic>
References: <20161110003426.3280.2999.stgit@tlendack-t1.amdoffice.net>
 <20161110003513.3280.12104.stgit@tlendack-t1.amdoffice.net>
 <20161115121035.GD24857@8bytes.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20161115121035.GD24857@8bytes.org>
User-Agent: NeoMutt/20161014 (1.7.1)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 493
Lines: 14

On Tue, Nov 15, 2016 at 01:10:35PM +0100, Joerg Roedel wrote:
> Maybe add a comment here why you can't use cpu_has (yet).

So that could be alleviated by moving this function *after*
init_scattered_cpuid_features(). Then you can simply do *cpu_has().

Also, I'm not sure why we're checking CPUID for the SME feature when we
have sme_get_me_mask() et al which have been setup much earlier...

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.