MIME-Version: 1.0
In-Reply-To: <20161201055350.GH3092@twins.programming.kicks-ass.net>
References: <cover.1480536936.git.luto@kernel.org> <56690623af05784f41a4efbe1b25b1e2c43fdefb.1480536936.git.luto@kernel.org>
 <20161201055350.GH3092@twins.programming.kicks-ass.net>
From: Andy Lutomirski <luto@amacapital.net>
Date: Thu, 1 Dec 2016 09:00:51 -0800
Message-ID: <CALCETrWvHga_AFBmF5zu+RbcLjqmqABCRFToN9uNezN2Tq59yQ@mail.gmail.com>
Subject: Re: [PATCH 2/4] Revert "x86/boot: Fail the boot if !M486 and CPUID is missing"
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>,
        One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
        Borislav Petkov <bp@alien8.de>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Brian Gerst <brgerst@gmail.com>,
        Matthew Whitehead <tedheadster@gmail.com>,
        Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
        Denys Vlasenko <dvlasenk@redhat.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>
Content-Type: text/plain; charset=UTF-8
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 582
Lines: 14

On Wed, Nov 30, 2016 at 9:53 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Wed, Nov 30, 2016 at 12:34:53PM -0800, Andy Lutomirski wrote:
>> This reverts commit ed68d7e9b9cfb64f3045ffbcb108df03c09a0f98.
>>
>> The patch wasn't quite correct -- there are non-Intel (and hence
>> non-486) CPUs that we support that don't have CPUID.  Since we no
>> longer require CPUID for sync_core(), just revert the patch.
>
> Might be useful to enumerate which special parts these are.

Alan thought it was Geode and Elan, right?  I can add that to the
commit message if I do a v2.

--Andy