Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=39dd992aee381ff5077536853051fc69e58cc4a9
Commit: 39dd992aee381ff5077536853051fc69e58cc4a9
Parent: b37d40d1759a383208ef47be8af94ebe59031691
Author: David S. Miller <[EMAIL PROTECTED]>
AuthorDate: Sun Jul 15 01:29:24 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jul 16 04:05:19 2007 -0700
[SPARC64]: Clear cpu_{core,sibling}_map[] in smp_fill_in_sib_core_maps()
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 <[EMAIL PROTECTED]>
---
arch/sparc64/kernel/smp.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 6956845..e038ae6 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -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;
-
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