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SubjectRe: IOAPIC and 8254
David Woodhouse wrote:
>
> cw@f00f.org said:
> > I think most modern Intel CPUs could handle 1024 without any effort
> > whatsoever -- but we need a way to export the HZ value to userland and
> > a period of time for the userland applications to get fixed.

> If we're going to do that, we {sh,c}ould start to export HZ to userspace right
> now so that userspace can have some extra time to catch up.

yep.

> Alternatively we could just stop exporting timing information to userland in
> units of HZ.

there is the (valid) argument that raw unscaled values are very useful for
debugging.


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