Patch 12/23 - Bitmaps, Cpumasks and Nodemasks

[Paul Jackson <pj@sgi.com>]

P12.cpumask_i386_simplify - Optimize i386 cpumask macro usage.
        Optimize a bit of cpumask code for asm-i386/mach-es7000
        Code untested, unreviewed.  Feedback welcome.

Index: 2.6.5.bitmap/include/asm-i386/mach-es7000/mach_ipi.h
===================================================================
--- 2.6.5.bitmap.orig/include/asm-i386/mach-es7000/mach_ipi.h	2004-04-08 04:19:28.000000000 -0700
+++ 2.6.5.bitmap/include/asm-i386/mach-es7000/mach_ipi.h	2004-04-08 04:19:34.000000000 -0700
@@ -10,9 +10,8 @@
 
 static inline void send_IPI_allbutself(int vector)
 {
-	cpumask_t mask = cpumask_of_cpu(smp_processor_id());
-	cpus_complement(mask);
-	cpus_and(mask, mask, cpu_online_map);
+	cpumask_t mask = cpu_online_map;
+	cpu_clear(smp_processor_id(), mask);
 	if (!cpus_empty(mask))
 		send_IPI_mask(mask, vector);
 }


-- 
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                          Paul Jackson <pj@sgi.com> 1.650.933.1373