cvs commit: src/sys/i386/isa clock.c

Bruce Evans bde at zeta.org.au
Sun May 2 04:20:52 PDT 2004


On Sat, 1 May 2004, Mike Silbersack wrote:

> On Sat, 1 May 2004, Bruce Evans wrote:
> > HZ=1000 instead of the default of HZ=10 increases the chance of the
> > timer wrapping while DELAY() is interrupted.  This shouldn't be a
> > problem for TSC calibration.
>
> Apparently it is a problem, somehow. :)

I checked that CPU interruptes are disabled here.  They still are.  So
the calibration can't be interrupted by a maskable interrupt.

Bruce


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