| | Date | Thu, 24 Apr 2008 23:01:57 +0100 | | From | Russell King <> | | Subject | Re: [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:
|