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-rw-r--r--kernel/panic.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index d2a5f4ecc6dd..e1b2822fff97 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -75,6 +75,14 @@ void panic(const char *fmt, ...)
75 int state = 0; 75 int state = 0;
76 76
77 /* 77 /*
78 * Disable local interrupts. This will prevent panic_smp_self_stop
79 * from deadlocking the first cpu that invokes the panic, since
80 * there is nothing to prevent an interrupt handler (that runs
81 * after the panic_lock is acquired) from invoking panic again.
82 */
83 local_irq_disable();
84
85 /*
78 * It's possible to come here directly from a panic-assertion and 86 * It's possible to come here directly from a panic-assertion and
79 * not have preempt disabled. Some functions called from here want 87 * not have preempt disabled. Some functions called from here want
80 * preempt to be disabled. No point enabling it later though... 88 * preempt to be disabled. No point enabling it later though...