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MULTIPROCESSOR: if the cache flush functions are no-ops on a single 

processor, they can be no-ops in the MP case as well.
This commit is contained in:
pk 2000-09-19 13:44:35 +00:00
parent bd11504cb2
commit d5fe063129
1 changed files with 15 additions and 7 deletions
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22
sys/arch/sparc/sparc/cpu.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.107 2000/09/10 11:32:04 pk Exp $ */
/* $NetBSD: cpu.c,v 1.108 2000/09/19 13:44:35 pk Exp $ */
/*
* Copyright (c) 1996
@ -362,12 +362,20 @@ static int cpu_instance;
cache_print(sc);
if (cpu_instance == ncpu) {
/* Install MP cache flush functions on boot cpu */
cpuinfo.cache_flush = smp_cache_flush;
cpuinfo.vcache_flush_page = smp_vcache_flush_page;
cpuinfo.vcache_flush_segment = smp_vcache_flush_segment;
cpuinfo.vcache_flush_region = smp_vcache_flush_region;
cpuinfo.vcache_flush_context = smp_vcache_flush_context;
/*
* Install MP cache flush functions on boot cpu, unless
* the single-processor versions are no-ops.
*/
if (cpuinfo.cache_flush != noop_cache_flush)
cpuinfo.cache_flush = smp_cache_flush;
if (cpuinfo.vcache_flush_page != noop_vcache_flush_page)
cpuinfo.vcache_flush_page = smp_vcache_flush_page;
if (cpuinfo.vcache_flush_segment != noop_vcache_flush_segment)
cpuinfo.vcache_flush_segment = smp_vcache_flush_segment;
if (cpuinfo.vcache_flush_region != noop_vcache_flush_region)
cpuinfo.vcache_flush_region = smp_vcache_flush_region;
if (cpuinfo.vcache_flush_context != noop_vcache_flush_context)
cpuinfo.vcache_flush_context = smp_vcache_flush_context;
}
#endif /* MULTIPROCESSOR */
}