![]() | |||||||||||||
Messages in this thread |
Matthew wrote:
> a better way to do this for UP.
> +#define cpu_online_map \
> +({ \
> + cpumask_t m = MASK_ALL1(NR_CPUS); \
> + m; \
> +})
This only helps cpu_online_map and cpu_possible_map, and only on UP's.
My controversial patch 24/23 helps all MASK_ALL based initializations,
and all mask_of_bit based initializations, for all systems up to 32 CPUs
(or 64, depending on sizeof(long)).
In particular, grep for 'cpumask_of_cpu(0)' in the kernel. You will find
many hits. This should be efficient for all 'normal' sized systems.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.650.933.1373
-
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/
| ||||||||||||
| Last update: 2005-03-22 14:02 [from the cache] ©2003-2008 | |||||||||||||