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authorThomas Gleixner <tglx@linutronix.de>2011-03-25 20:25:06 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-03-29 14:48:03 +0200
commit459960d831d14924eb4bcccadeb03ec81a1f524c (patch)
tree21441eae0e25989df570a45c36e14d911fd208f9
parenta2178334e9e7bb0fc11c9706114b43dbdd612ce4 (diff)
ia64: iosapic: Remove redundant mask from ack()
The core code calls mask_ack() which calls irq_ack() and irq_mask() for the case where an interrupt is disabled and marked pending. That seems to be a leftover from the old __do_IRQ() mode. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/ia64/kernel/iosapic.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 858a995f3d3..920983545ad 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -450,18 +450,9 @@ static void
iosapic_ack_edge_irq (struct irq_data *data)
{
unsigned int irq = data->irq;
- struct irq_desc *idesc = irq_desc + irq;
irq_complete_move(irq);
move_native_irq(irq);
- /*
- * Once we have recorded IRQ_PENDING already, we can mask the
- * interrupt for real. This prevents IRQ storms from unhandled
- * devices.
- */
- if ((idesc->status & (IRQ_PENDING|IRQ_DISABLED)) ==
- (IRQ_PENDING|IRQ_DISABLED))
- mask_irq(data);
}
#define iosapic_enable_edge_irq unmask_irq