linux-kernel - Re: [RESEND] Fast TSC calibration fails with v3.14-rc1 and later

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Message-ID: <532121D2.40805@zytor.com>
Date:	Wed, 12 Mar 2014 20:11:14 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	joeyli <jlee@...e.com>, Thomas Gleixner <tglx@...utronix.de>
CC:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	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 07:38 PM, joeyli wrote:
> 
> I sent rtc-acpitad driver for RTC subsystem on last month, I will send
> second version.
> 
> For using TAD to set wall clock is because in ACPI 5.0 spec, there have
> a "CMOS RTC Not Present" flag in FADT to indicate OSPM should use TAD
> when this flag set:
> 
> CMOS RTC Not Present
> 

Bullsh*t.  The TAD should be used if it is present, it has nothing to do
with this flag.

	-hpa

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