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Date:   Fri, 3 May 2019 15:28:27 +0000
From:   "Singh, Brijesh" <>
To:     Dave Hansen <>,
        "" <>
CC:     "Singh, Brijesh" <>,
        "" <>,
        Peter Zijlstra <>,
        Dan Williams <>,
        "Kirill A . Shutemov" <>,
        Andy Lutomirski <>,
        Borislav Petkov <>,
        "H . Peter Anvin" <>,
        Thomas Gleixner <>,
        "Lendacky, Thomas" <>
Subject: Re: [PATCH v3] x86: mm: Do not use set_{pud,pmd}_safe when splitting
 the large page

Hi Boris,

On 4/17/19 12:24 PM, Dave Hansen wrote:

> The comment here is missing one key point:
> kernel_physical_mapping_init() can only be used to populate non-present
> entries.  It kinda infers that from "Create...", but I really think we
> need to be explicit.
> Anyway, it's better than it was, and it does fix a bug, so:
> Reviewed-by: Dave Hansen <>
> But please flesh out that comment if you do another version for some reason.

Can you please pick this patch? Or do you want me to resend it ?
It's fixing a bug seen in SEV guest.


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