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| author | David S. Miller <davem@davemloft.net> | 2008-09-09 02:21:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-09 02:21:07 +0200 |
| commit | 2eb2f77900d62796934bcd43c4089e444cf1179e (patch) | |
| tree | 98607df5b7d540c4182d171a8d7d1aff550a081f /arch | |
| parent | sparc64: Prevent sparc64 from invoking irq handlers on offline CPUs (diff) | |
| download | linux-2eb2f77900d62796934bcd43c4089e444cf1179e.tar.xz linux-2eb2f77900d62796934bcd43c4089e444cf1179e.zip | |
sparc64: Disable timer interrupts in fixup_irqs().
When a CPU is offlined, we leave the timer interrupts disabled
because fixup_irqs() does not explicitly take care of that case.
Fix this by invoking tick_ops->disable_irq().
Based upon analysis done by Paul E. McKenney.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc64/kernel/irq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index 9b6689d9d570..23963882bc18 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -792,6 +792,8 @@ void fixup_irqs(void) } spin_unlock_irqrestore(&irq_desc[irq].lock, flags); } + + tick_ops->disable_irq(); } #endif |