linux-kernel - Re: [PATCH 4.4 00/37] 4.4.110-stable review

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Message-ID: <alpine.DEB.2.20.1801120903190.1927@nanos>
Date:   Fri, 12 Jan 2018 09:03:34 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Hugh Dickins <hughd@...gle.com>, Thomas Voegtle <tv@...96.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Shuah Khan <shuahkh@....samsung.com>, patches@...nelci.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        lkft-triage@...ts.linaro.org, stable <stable@...r.kernel.org>,
        Steve Sistare <steven.sistare@...cle.com>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH 4.4 00/37] 4.4.110-stable review

On Fri, 12 Jan 2018, Greg Kroah-Hartman wrote:
> On Fri, Jan 12, 2018 at 12:03:10AM +0100, Thomas Gleixner wrote:
> > So the transition to long mode for secondaries uses the trampoline pgd for
> > long mode transition and then jumping to secondary_startup_64 where CR3 is
> > set to the real kernel page tables.
> 
> Ok, so the summary is that this patch is only needed for the 4.4 and 4.9
> kernels, and _NOT_ for Linus's tree and 4.14, right?

Correct.