linux-kernel - Re: [PATCHv2 1/2] x86/mm: Move LDT remap out of KASLR region on 5-level paging

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Message-ID: <20181024131230.GF25444@bombadil.infradead.org>
Date:   Wed, 24 Oct 2018 06:12:30 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
        boris.ostrovsky@...cle.com, jgross@...e.com, bhe@...hat.com,
        x86@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 1/2] x86/mm: Move LDT remap out of KASLR region on
 5-level paging

On Wed, Oct 24, 2018 at 03:51:11PM +0300, Kirill A. Shutemov wrote:
> +++ b/Documentation/x86/x86_64/mm.txt
> @@ -34,23 +34,24 @@ __________________|____________|__________________|_________|___________________
>  ____________________________________________________________|___________________________________________________________
>                    |            |                  |         |
>   ffff800000000000 | -128    TB | ffff87ffffffffff |    8 TB | ... guard hole, also reserved for hypervisor

Oh good, it's been rewritten for people with 200-column screens.  It's
too painful to review now.

This is how it looks for me, Ingo:

> @@ -34,23 +34,24 @@ __________________|____________|__________________|_______
__|___________________
>  ____________________________________________________________|________________
___________________________________________
>                    |            |                  |         |
>   ffff800000000000 | -128    TB | ffff87ffffffffff |    8 TB | ... guard hole,
 also reserved for hypervisor

If it were being formatted in rst so we could get a nice html view out
of the conversion, I'd understand.  But I don't see what we get from
this hilariously verbose reformatting.