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

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Date:	Thu, 13 Mar 2014 12:12:38 +0800
From:	joeyli <jlee@...e.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"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

於 三，2014-03-12 於 20:59 -0700，H. Peter Anvin 提到：
> On 03/12/2014 08:55 PM, joeyli wrote:
> > 
> > So do not care "CMOS RTC Not Present", if TAD is present then we use it
> > instead of CMOS RTC in all kernel code? or we still can use CMOS RTC?
> > 
> 
> Why would we use *both*!?  How would that possibly make sense?
> 
> 	-hpa
> 

Yes, it does not make sense for using both.

I switched the code in get_rtc_time() set_rtc_time() to TAD when it
present, just make sure I'm on the right path.


Thanks a lot!
Joey Lee

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