Messages in this thread | | | Date | Thu, 31 Mar 2011 13:13:23 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC 2/2] Make x86 calibrate_delay run in parallel. |
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* Avi Kivity <avi@redhat.com> 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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