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

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Date:   Mon, 17 Sep 2018 14:20:53 +0200
From:   Greg KH <gregkh@...uxfoundation.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

On Mon, Sep 17, 2018 at 02:16:33PM +0200, Jiri Slaby wrote:
> On 09/17/2018, 01:51 PM, Greg KH wrote:
> > On Thu, Sep 06, 2018 at 01:27:49PM -0700, Andi Kleen wrote:
> >>> 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?
> > 
> > Someone needs to.  Please?
> 
> You already released 4.4.x with the patch :):
> 
> commit 15898df477269c981dc1ae5afa39e1bb65e1db0a
> Author: Jiri Slaby <jslaby@...e.cz>
> Date:   Fri Sep 7 11:13:07 2018 +0200
> 
>     x86/mm/pat: Fix L1TF stable backport for CPA, 2nd call
> 

Ugh, nevermind, sorry for the noise :)

greg k-h