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-rw-r--r--arch/parisc/kernel/process.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index b76f503eee4a..4516a5b53f38 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -143,6 +143,8 @@ void machine_power_off(void)
printk(KERN_EMERG "System shut down completed.\n"
"Please power this system off now.");
+ /* prevent soft lockup/stalled CPU messages for endless loop. */
+ rcu_sysrq_start();
for (;;);
}