Messages in this thread | | | Date | Fri, 14 Feb 2003 12:09:19 -0500 (EST) | From | Zwane Mwaikambo <> | Subject | Re: [PATCH][2.5][14/14] smp_call_function_on_cpu - x86_64 |
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On Fri, 14 Feb 2003, Andi Kleen wrote:
> On Fri, Feb 14, 2003 at 07:52:15AM -0500, Zwane Mwaikambo wrote: > > One liner to fix num_cpus == 0 on SMP kernel w/ UP box > > Shouldn't num_cpus be 1 in that case ?
We mask out current cpu first like so;
mask &= ~(1UL << smp_processor_id()); num_cpus = hweight(mask); if (num_cpus == ) return 0;
So really it's number of eligible IPI cpus
Zwane -- function.linuxpower.ca - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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