Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 23 Apr 2010 19:57:30 -0700 | From | Saravana Kannan <> | Subject | Re: CPUfreq - udelay() interaction issues |
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Arjan van de Ven wrote: > so in reality, all hardware that does coordination between cores/etc > like this also has a tsc that is invariant of the actual P state. > If there are exceptions, those have a problem, but I can't think of any > right now. > Once the TSC is invariant of P state, udelay() is fine, since that goes > of the tsc, not of some delay loop kind of thing....
I assume you are talking specifically about x86. I want x86 to be correct, but also want ARM to be correct. So, at this point I might as well try to put in an arch independent fix.
Thanks, Saravana
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