kernel-hardening - Re: [PATCH v6 11/13] kvm, x86: update spectre-v1 mitigation

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Message-ID: <alpine.DEB.2.21.1801311641420.9911@nanos.tec.linutronix.de>
Date: Wed, 31 Jan 2018 16:42:05 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: Paolo Bonzini <pbonzini@...hat.com>
cc: Dan Williams <dan.j.williams@...el.com>, Ingo Molnar <mingo@...nel.org>, 
    linux-arch <linux-arch@...r.kernel.org>, 
    Kernel Hardening <kernel-hardening@...ts.openwall.com>, 
    Andrew Honig <ahonig@...gle.com>, 
    Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, 
    Greg KH <gregkh@...uxfoundation.org>, Alan Cox <alan@...ux.intel.com>, 
    Linus Torvalds <torvalds@...ux-foundation.org>, 
    Jim Mattson <jmattson@...gle.com>
Subject: Re: [PATCH v6 11/13] kvm, x86: update spectre-v1 mitigation

On Wed, 31 Jan 2018, Paolo Bonzini wrote:

> On 31/01/2018 03:07, Thomas Gleixner wrote:
> >> Hi Thomas,
> >>
> >> I notice this one missing from -tip, I suspect because of the
> >> collision with the raw 'lfence' that is in current mainline? No
> >> worries, I'll send a rebased fixup to Paolo directly once
> >> array_idx_nospec() goes upstream.
> 
> Fine by me.  Also, now that x86/pti has been rebased, a version that
> replaces the lfence with array_idx_nospec() would apply to both tip and
> 4.14.

I'm happy to take it.

Thanks,

	tglx

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