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-rw-r--r--arch/powerpc/platforms/powermac/setup.c13
-rw-r--r--arch/powerpc/platforms/powermac/smp.c1
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 07b1c4ec428..956571526a5 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -363,8 +363,19 @@ static void __init pmac_setup_arch(void)
smp_ops = &core99_smp_ops;
}
#ifdef CONFIG_PPC32
- else
+ else {
+ /*
+ * We have to set bits in cpu_possible_map here since the
+ * secondary CPU(s) aren't in the device tree, and
+ * setup_per_cpu_areas only allocates per-cpu data for
+ * CPUs in the cpu_possible_map.
+ */
+ int cpu;
+
+ for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
+ cpu_set(cpu, cpu_possible_map);
smp_ops = &psurge_smp_ops;
+ }
#endif
#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 686ed82bde7..cb2d894541c 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -317,7 +317,6 @@ static int __init smp_psurge_probe(void)
ncpus = NR_CPUS;
for (i = 1; i < ncpus ; ++i) {
cpu_set(i, cpu_present_map);
- cpu_set(i, cpu_possible_map);
set_hard_smp_processor_id(i, i);
}