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SubjectRe: [PATCH][2.5][8/14] smp_call_function_on_cpu - s390
Zwane Mwaikambo wrote:

> On Sat, 15 Feb 2003, Ulrich Weigand wrote:
> > That's still '&&' instead of '&'.
> *sigh*

Hmm. I think this code still has a problem. If the caller
passes in a mask containing bits for offline CPUs, those will
be counted here

> + num_cpus = hweight32(mask);

but there will be no external interrupt generated for those,
and thus this loop

> + while (atomic_read(&data.started) != num_cpus)

will never terminate ...


Dr. Ulrich Weigand
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