mpic_physmask was looping NR_CPUS times over a mask that was passed as
a u32. Since mpic is architecturaly limited to 32 physical cpus, clamp
the logical cpus to 32 when compiling (we could also clamp at runtime
to nr_cpu_ids).
Signed-off-by: Milton Miller <milt...@bga.com>
---
arch/powerpc/sysdev/mpic.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 824a94f..a93da80 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -631,7 +631,7 @@ static inline u32 mpic_physmask(u32 cpumask)
int i;
u32 mask = 0;
- for (i = 0; i < NR_CPUS; ++i, cpumask >>= 1)
+ for (i = 0; i < min(32, NR_CPUS); ++i, cpumask >>= 1)
mask |= (cpumask & 1) << get_hard_smp_processor_id(i);
return mask;
}
--
1.7.0.4
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