path: root/arch/powerpc/kernel/smp.c
diff options
authorLinus Torvalds <>2007-08-03 15:16:33 -0700
committerLinus Torvalds <>2007-08-03 15:16:33 -0700
commit22da317629bad23816f3fa26d657fb46e7af21c7 (patch)
treeea9e97afd3aca46c16b77468ef91e5e39d36ed7f /arch/powerpc/kernel/smp.c
parent3e847423bf029c2170692c75580a856debed617b (diff)
parent67439b76f29cb278bb3412fc873b980fc65110c9 (diff)
Merge branch 'merge' of git://
* 'merge' of git:// [POWERPC] Fixes for the SLB shadow buffer code [POWERPC] Fix a compile warning in powermac/feature.c [POWERPC] Fix a compile warning in pci_32.c [POWERPC] Fix parse_drconf_memory() for 64-bit start addresses [POWERPC] Fix num_cpus calculation in smp_call_function_map() [POWERPC] ps3: Fix section mismatch in ps3/setup.c [POWERPC] spufs: Fix affinity after introduction of node_allowed() calls [POWERPC] Fix special PTE code for secondary hash bucket [POWERPC] Expand RPN field to 34 bits when using 64k pages
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 087c92f2a3eb..1ea43160f543 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -212,11 +212,6 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic,
atomic_set(&data.finished, 0);
- /* Must grab online cpu count with preempt disabled, otherwise
- * it can change. */
- num_cpus = num_online_cpus() - 1;
- if (!num_cpus)
- goto done;
/* remove 'self' from the map */
if (cpu_isset(smp_processor_id(), map))
@@ -224,7 +219,9 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic,
/* sanity check the map, remove any non-online processors. */
cpus_and(map, map, cpu_online_map);
- if (cpus_empty(map))
+ num_cpus = cpus_weight(map);
+ if (!num_cpus)
goto done;
call_data = &data;