tree c7b6a9334bf9f56c361537c8273a12f4b0549e0b
parent 75fa29c7000924060677e0591368045576daad93
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1350362159 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1350436664 -0700

printk: Fix scheduling-while-atomic problem in console_cpu_notify()

The console_cpu_notify() function runs with interrupts disabled in the
CPU_DYING case.  It therefore cannot block, for example, as will happen
when it calls console_lock().  Therefore, remove the CPU_DYING leg of
the switch statement to avoid this problem.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>