linux-kernel - Re: [Patch] Fix the possibility of insane return value of hpet

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Message-Id: <20090318094346.7BA9.E1E9C6FF@jp.fujitsu.com>
Date:	Wed, 18 Mar 2009 09:45:02 +0900
From:	Yasunori Goto <y-goto@...fujitsu.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	Clemens Ladisch <clemens@...isch.de>,
	Linux Kernel ML <linux-kernel@...r.kernel.org>,
	robert.picco@...com, venkatesh.pallipadi@...el.com,
	vojtech@...e.cz, mingo@...hat.com
Subject: Re: [Patch] Fix the possibility of insane return value of hpet_calibrate() against SMI.


> >>> Each calibration of this has 1 milli second.
> >>> Do you think 5 msec is too long?
> >>>       
> >> This shouldn't matter when booting.  Anyway, I think it's possible to
> >> increase TICK_CALIBRATE without losing too much accuracy.
> >>     
> >
> > Hmm. If the person who is trying to reduce boot time for fastboot dislikes this impact,
> > then I'll try Vojtech-san's way.
> >   
> 
> That probably makes sense -- if it is extremely rare, and if you get two
> values that are the same (within some small delta) then you probably
> are 99.99% confident that you have the right data.

Ok. I'll make it.

Thanks for your comment.


-- 
Yasunori Goto 


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