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[SPARC64]: Clear cpu_{core,sibling}_map[] in smp_fill_in_sib_core_maps()

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When we hot-plug in new cpus, the core_id and proc_id of existing
cpus can change.  So in order to set the cpu groups correctly we
need to clear the maps out completely first.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-07-15 01:29:24 -07:00
parent b37d40d175
commit 39dd992aee
1 changed files with 2 additions and 0 deletions
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2
arch/sparc64/kernel/smp.c
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@ -1244,6 +1244,7 @@ void __devinit smp_fill_in_sib_core_maps(void)
for_each_possible_cpu(i) {
unsigned int j;
cpus_clear(cpu_core_map[i]);
if (cpu_data(i).core_id == 0) {
cpu_set(i, cpu_core_map[i]);
continue;
@ -1259,6 +1260,7 @@ void __devinit smp_fill_in_sib_core_maps(void)
for_each_possible_cpu(i) {
unsigned int j;
cpus_clear(cpu_sibling_map[i]);
if (cpu_data(i).proc_id == -1) {
cpu_set(i, cpu_sibling_map[i]);
continue;