linux-kernel - Re: [PATCH 25/43] x86/mm/kaiser: Unmap kernel from userspace page tables (core patch)

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Message-ID: <20171124121345.6fbpf26qmmkho4ba@hirez.programming.kicks-ass.net>
Date:   Fri, 24 Nov 2017 13:13:45 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...capital.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H . Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 25/43] x86/mm/kaiser: Unmap kernel from userspace page
 tables (core patch)

On Fri, Nov 24, 2017 at 10:14:30AM +0100, Ingo Molnar wrote:
> Note: The original KAISER authors signed-off on their patch.  Some of
> their code has been broken out into other patches in this series, but
> their SoB was only retained here.

This is not in fact the case anymore..

> Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: Andy Lutomirski <luto@...nel.org>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Brian Gerst <brgerst@...il.com>
> Cc: Daniel Gruss <daniel.gruss@...k.tugraz.at>
> Cc: Denys Vlasenko <dvlasenk@...hat.com>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Hugh Dickins <hughd@...gle.com>
> Cc: Josh Poimboeuf <jpoimboe@...hat.com>
> Cc: Kees Cook <keescook@...gle.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Michael Schwarz <michael.schwarz@...k.tugraz.at>
> Cc: Moritz Lipp <moritz.lipp@...k.tugraz.at>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Richard Fellner <richard.fellner@...dent.tugraz.at>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: linux-mm@...ck.org
> Link: http://lkml.kernel.org/r/20171123003447.1DB395E3@viggo.jf.intel.com
> Signed-off-by: Ingo Molnar <mingo@...nel.org>