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SubjectRe: [PATCH 1/11] Add generic helpers for arch IPI function calls
On Tue, Apr 22, 2008 at 08:50:17PM +0200, Jens Axboe wrote:
> + data->csd.func(data->csd.info);
> +
> + spin_lock(&data->lock);
> + cpu_clear(cpu, data->cpumask);
> + WARN_ON(data->refs == 0);
> + data->refs--;
> + refs = data->refs;

Probably a silly question, but what does data->refs do that
cpus_empty(data->cpumask) wouldn't do? (as indeed ARM presently does.)

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:


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