linux-kernel - Re: [GIT pull] x86/timers for 4.10

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Message-ID: <1486559080.4488.23.camel@gmx.de>
Date:   Wed, 08 Feb 2017 14:04:40 +0100
From:   Mike Galbraith <efault@....de>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Olof Johansson <olof@...om.net>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [GIT pull] x86/timers for 4.10

On Wed, 2017-02-08 at 12:44 +0100, Thomas Gleixner wrote:
> On Mon, 6 Feb 2017, Olof Johansson wrote:
> > [    0.177102] [Firmware Bug]: TSC ADJUST differs: Reference CPU0:
> > -6495898515190607 CPU1: -6495898517158354
> 
> Yay, another "clever" BIOS ....

Oh yeah, that reminds me...

I met one such box, and the adjustment code did salvage it, but I had
to cheat a little for it to do so reliably, as it would sometimes still
see a delta of 1 or 2 whole cycles, and hand me a useless wreck instead
quick like bunny big box.

	-Mike