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Date: Wed, 31 Jan 2018 08:49:16 -0500
From: Paolo Bonzini <pbonzini@...hat.com>
To: Thomas Gleixner <tglx@...utronix.de>,
 Dan Williams <dan.j.williams@...el.com>
Cc: 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 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.

Paolo

> It did not apply for that reason and I'm still trying to keep x86/pti as
> clean as it goes to keep GregKHs backporting hell somehow under control.

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