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Date: Mon, 8 Jan 2018 22:10:49 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@kernel.org>
cc: Linus Torvalds <torvalds@linux-foundation.org>,
        David Woodhouse <dwmw@amazon.co.uk>,
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        One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH v6 00/10] Retpoline: Avoid speculative indirect calls in
 kernel
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On Mon, 8 Jan 2018, Ingo Molnar wrote:
> * Linus Torvalds <torvalds@linux-foundation.org> wrote:
> 
> > On Sun, Jan 7, 2018 at 2:11 PM, David Woodhouse <dwmw@amazon.co.uk> wrote:
> > > This is a mitigation for the 'variant 2' attack described in
> > > https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html
> > 
> > Ok, I don't love the patches, but I see nothing horribly wrong here
> > either, and I assume the performance impact of this is pretty minimal.
> > 
> > Thomas? I'm obviously doing rc7 today without these, but I assume the
> > x86 maintainers are resigned to this all. And yes, we'll have at least
> > an rc8 this release..
> 
> I'm definitely resigned to them, and with these patches being disclosed so late
> we don't have any good choices left, so a tentative:
> 
> Acked-by: Ingo Molnar <mingo@kernel.org>

Just doing the last polishing on that. I'll add your ack