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-rw-r--r--arch/sparc64/kernel/smp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 5d90ee9aebf..8aca4b1dc04 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -168,6 +168,9 @@ void __init smp_callin(void)
rmb();
cpu_set(cpuid, cpu_online_map);
+
+ /* idle thread is expected to have preempt disabled */
+ preempt_disable();
}
void cpu_panic(void)