linux-kernel - Re: [tip:x86/pti] x86/cpu/AMD: Use LFENCE_RDTSC instead of MFENCE

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Message-ID: <1515407015.7317.24.camel@amazon.co.uk>
Date:   Mon, 8 Jan 2018 10:23:35 +0000
From:   "Woodhouse, David" <dwmw@...zon.co.uk>
To:     Thomas Gleixner <tglx@...utronix.de>, <bp@...en8.de>,
        <gregkh@...ux-foundation.org>, <thomas.lendacky@....com>,
        <pjt@...gle.com>, <mingo@...nel.org>,
        <linux-kernel@...r.kernel.org>, <hpa@...or.com>,
        <tim.c.chen@...ux.intel.com>, <torvalds@...ux-foundation.org>,
        <peterz@...radead.org>, <dave.hansen@...el.com>
CC:     <linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:x86/pti] x86/cpu/AMD: Use LFENCE_RDTSC instead of
 MFENCE_RDTSC

On Mon, 2018-01-08 at 11:08 +0100, Thomas Gleixner wrote:
> I'm dropping these patches until this question is answered.

I've rebased my retpoline tree on top of tip/x86/pti from before those
patches (from my BUG_SPECTRE_Vx patch).
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