Re: [RFC 2/2] Make x86 calibrate_delay run in parallel.

From: Ingo Molnar
Date: Thu Mar 31 2011 - 07:13:47 EST



* Avi Kivity <avi@xxxxxxxxxx> wrote:

> How important is udelay() for hardware timing these days, btw?

Seems popular enough:

earth4:~/tip> git grep -w udelay drivers/ | wc -l
4843

And while it's probably less important than it used to be, we cannot really
know for sure. This is one of the rare occasions where some modest amount of
fear, uncertainty and doubt is justified.

Thanks,

Ingo
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