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    SubjectRe: [Patch 6/23] mask v2 - Replace cpumask_t with one using mask
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    On Thu, 2004-04-01 at 13:11, Paul Jackson wrote:
    > Patch_6_of_23 - Rework cpumasks to use new mask ADT
    > Removes many old include/asm-<arch> and asm-generic cpumask files
    > Add intersects, subset, xor and andnot operators.
    > Provides temporary emulators for obsolete const, promote, coerce
    > Presents entire cpumask API clearly in single cpumask.h file

    <snip>

    > +#else /* !CONFIG_SMP */
    > +
    > +#define cpu_online_map cpumask_of_cpu(0)
    > +#define cpu_possible_map cpumask_of_cpu(0)

    I mentioned earlier that there's probably a better way to do this for
    UP... What do you think about this?

    -Matt
    diff -Nurp --exclude-from=/home/mcd/.dontdiff linux-2.6.4-pj_mask_v2/include/linux/cpumask.h linux-2.6.4-UP_online_map/include/linux/cpumask.h
    --- linux-2.6.4-pj_mask_v2/include/linux/cpumask.h Fri Apr 2 14:03:21 2004
    +++ linux-2.6.4-UP_online_map/include/linux/cpumask.h Fri Apr 2 14:13:54 2004
    @@ -134,8 +134,12 @@ extern cpumask_t cpu_possible_map;

    #else /* !CONFIG_SMP */

    -#define cpu_online_map cpumask_of_cpu(0)
    -#define cpu_possible_map cpumask_of_cpu(0)
    +#define cpu_online_map \
    +({ \
    + cpumask_t m = MASK_ALL1(NR_CPUS); \
    + m; \
    +})
    +#define cpu_possible_map cpu_online_map

    #define num_online_cpus() 1
    #define num_possible_cpus() 1
    \
     
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