lkml.org 
[lkml]   [2004]   [Mar]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] nodemask_t x86_64 changes [5/7]
Date
On Tue, 23 Mar 2004 20:11:01 -0800, 
Paul Jackson <pj@sgi.com> wrote:
>I still don't know how I will fix the CPU_MASK_ALL static initializor in
>the multi-word case - since I can't put runtime code in it.

#define NR_CPUS_WORDS ((NR_CPUS+BITS_PER_LONG-1)/BITS_PER_LONG)
#define NR_CPUS_UNDEF (NR_CPUS_WORDS*BITS_PER_LONG-NR_CPUS)

#if NR_CPUS_UNDEF == 0
#define CPU_MASK_ALL { [0 ... NR_CPUS_WORDS-1] = ~0UL }
#else
#define CPU_MASK_ALL { [0 ... NR_CPUS_WORDS-2] = ~0UL, ~0UL << NR_CPUS_UNDEF }
#endif
-
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 14:01    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site