The console_cpu_notify( function runs with interrupts disabled in
the CPU_DEAD case. It therefore cannot block, for example, as will
happen when it calls console_lock(). Therefore, remove the CPU_DEAD
leg of the switch statement to avoid this problem.
Signed-off-by: Paul E. McKenney <paul.mcken...@linaro.org>
diff --git a/kernel/printk.c b/kernel/printk.c
index 66a2ea3..8e23a14 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1889,7 +1889,6 @@ static int __cpuinit console_cpu_notify(struct
notifier_block *self,
{
switch (action) {
case CPU_ONLINE:
- case CPU_DEAD:
case CPU_DYING:
case CPU_DOWN_FAILED:
case CPU_UP_CANCELED:
--
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