linux-kernel - Re: [patch 00/60] x86/kpti: Kernel Page Table Isolation (was KAISER)

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Message-ID: <CA+55aFwhhvy5b5Y6FL2mQ6cLbwcv0okp+DYv2Pbwb3XQM8=fmg@mail.gmail.com>
Date:   Mon, 4 Dec 2017 10:02:49 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Andy Lutomirsky <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Borislav Petkov <bpetkov@...e.de>,
        Greg KH <gregkh@...uxfoundation.org>,
        Kees Cook <keescook@...gle.com>,
        Hugh Dickins <hughd@...gle.com>,
        Brian Gerst <brgerst@...il.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        Rik van Riel <riel@...hat.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        David Laight <David.Laight@...lab.com>,
        Eduardo Valentin <eduval@...zon.com>,
        "Liguori, Anthony" <aliguori@...zon.com>,
        Will Deacon <will.deacon@....com>,
        Daniel Gruss <daniel.gruss@...k.tugraz.at>
Subject: Re: [patch 00/60] x86/kpti: Kernel Page Table Isolation (was KAISER)

On Mon, Dec 4, 2017 at 6:07 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
>
>     Kernel Page Table Isolation, prefix kpti_
>
>    Linus, your call :)

I think you probably chose the right name here. The alternatives sound
intriguing, but probably not the right thing to do.

How much of this is considered worth trying to integrate early?
Clearly I'm not taking all of it.

                    Linus