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Message-ID: <532128F0.7090709@zytor.com>
Date: Wed, 12 Mar 2014 20:41:36 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Thomas Gleixner <tglx@...utronix.de>,
"Rafael J. Wysocki" <rjw@...ysocki.net>
CC: joeyli <jlee@...e.com>, Julian Wollrath <jwollrath@....de>,
x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
John Stultz <john.stultz@...aro.org>,
"Ted Ts'o" <tytso@....edu>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RESEND] Fast TSC calibration fails with v3.14-rc1 and later
On 03/12/2014 05:54 PM, Thomas Gleixner wrote:
>
> From the timekeeping POV there is absolutely no need to set the wall
> clock time early. The kernel boot phase does not care about wall time
> at all. We should have it done before we hit userspace, but not even
> that is a hard requirement.
>
This is a key observation, I believe.
-hpa
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