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

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Date:   Sun, 26 Aug 2018 07:55:31 +0200
From:   Greg KH <greg@...ah.com>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Andi Kleen <andi@...stfloor.org>, stable@...r.kernel.org,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        bernhard.kaindl@...lesgroup.com
Subject: Re: [PATCH] x86/mm/pat: Fix L1TF stable backport for CPA

On Sat, Aug 25, 2018 at 10:06:41PM -0700, Andi Kleen wrote:
> > > Cc: stable@...r.kernel.org # 4.4 and 4.9
> > 
> > LGTM for v4.4.y but ... are you sure that this patch applies to v4.9.y ?
> > Commit edc3b9129cec is 'native' in v4.9.y and has not been reverted there.
> 
> You're right. I thought it was needed for 4.9 too, but yes it has the CPA pfn
> patch. So for 4.9 the patch is not needed and in fact incorrect.
> 
> The original report was for 4.4.
> 
> Greg can you please revert/remove it again for 4.9?

Now dropped, thanks.

greg k-h