linux-kernel - Re: [patch 00/15] x86/tlb: Unexport per-CPU tlbstate

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Message-ID: <20200420102535.GB20696@hirez.programming.kicks-ass.net>
Date:   Mon, 20 Apr 2020 12:25:35 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Kees Cook <keescook@...omium.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Thomas Lendacky <Thomas.Lendacky@....com>,
        Juergen Gross <jgross@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [patch 00/15] x86/tlb: Unexport per-CPU tlbstate

On Sun, Apr 19, 2020 at 10:31:37PM +0200, Thomas Gleixner wrote:
> The per-CPU tlbstate contains sensitive information which should be really
> only accessible in core code. It is exported to modules because some inline
> functions which are required by KVM need access to it.
> 
> The following series creates regular exported functions for the few things
> which are needed by KVM and hides the struct definition and some low level
> helpers from modules.
> 
> The series is also available from git:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel x86/tlb
> 

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>