linux-kernel - Re: [PATCH] x86/mm/pat: Fix L1TF stable backport for CPA

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Message-ID: <20180906202749.siuw4hlnafzq4o23@two.firstfloor.org>
Date:   Thu, 6 Sep 2018 13:27:49 -0700
From:   Andi Kleen <andi@...stfloor.org>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     Andi Kleen <andi@...stfloor.org>, stable@...r.kernel.org,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        bernhard.kaindl@...lesgroup.com, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] x86/mm/pat: Fix L1TF stable backport for CPA

> And what about populate_pud?
>                 set_pud(pud, pud_mkhuge(pfn_pud(cpa->pfn,
>                                    canon_pgprot(pud_pgprot))));
> 
>                 start     += PUD_SIZE;
>                 cpa->pfn  += PUD_SIZE;

Yes you're right. That case needs to be fixed too.

Are you sending a patch, or should I?

-Andi