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Subject: Re: [RFC, PATCHv1 00/28] 5-level paging
From: hpa@zytor.com
Date: Thu, 08 Dec 2016 10:26:38 -0800
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To: Linus Torvalds <torvalds@linux-foundation.org>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, the arch/x86 maintainers <x86@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Arnd Bergmann <arnd@arndb.de>, Andi Kleen <ak@linux.intel.com>, Dave Hansen <dave.hansen@intel.com>, Andy Lutomirski <luto@amacapital.net>, "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Message-ID: <20161208182638.4HTYRDUkL4mg44ZlGdd8XXYWjxrY75P1TT3ZsE4QrK4@z>

On December 8, 2016 10:16:07 AM PST, Linus Torvalds <torvalds@linux-foundation.org> wrote:
>On Thu, Dec 8, 2016 at 8:21 AM, Kirill A. Shutemov
><kirill.shutemov@linux.intel.com> wrote:
>>
>> This patchset is still very early. There are a number of things
>missing
>> that we have to do before asking anyone to merge it (listed below).
>> It would be great if folks can start testing applications now (in
>QEMU) to
>> look for breakage.
>> Any early comments on the design or the patches would be appreciated
>as
>> well.
>
>Looks ok to me. Starting off with a compile-time config option seems
>fine.
>
>I do think that the x86 cpuid part should (patch 15) should be the
>first patch, so that we see "la57" as a capability in /proc/cpuinfo
>whether it's being enabled or not? We should merge that part
>regardless of any mm patches, I think.
>
>               Linus

Definitely.
-- 
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