From: Mike Galbraith <efault@gmx.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Olof Johansson <olof@lixom.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [GIT pull] x86/timers for 4.10
Date: Thu, 09 Feb 2017 16:16:37 +0100 [thread overview]
Message-ID: <1486653397.3787.12.camel@gmx.de> (raw)
In-Reply-To: <alpine.DEB.2.20.1702091606530.3604@nanos>
On Thu, 2017-02-09 at 16:07 +0100, Thomas Gleixner wrote:
> On Wed, 8 Feb 2017, Mike Galbraith wrote:
> > 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.
>
> Can you share your cheatery ?
I didn't keep it, it was just a bandaid for a fleeting use, dirt simple
ignore microscopic delta.
-Mike
next prev parent reply other threads:[~2017-02-09 15:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-18 20:06 [GIT pull] x86/timers for 4.10 Thomas Gleixner
2017-02-07 1:31 ` Olof Johansson
2017-02-08 11:44 ` Thomas Gleixner
2017-02-08 13:04 ` Mike Galbraith
2017-02-09 15:07 ` Thomas Gleixner
2017-02-09 15:16 ` Mike Galbraith [this message]
2017-02-09 15:21 ` Thomas Gleixner
2017-02-09 15:25 ` Mike Galbraith
2017-02-09 15:39 ` Thomas Gleixner
2017-02-23 8:20 ` Mike Galbraith
2017-02-23 9:17 ` Peter Zijlstra
2017-02-23 10:26 ` Borislav Petkov
2017-02-23 13:29 ` Mike Galbraith
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