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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-07-16 12:49:40 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-16 13:05:32 +0200 |
| commit | e0204409df29fe1b7d18f81dfc3ae6f9d90e7a63 (patch) | |
| tree | 66f670c0f182d02185f2f3ea6bb7bb97c165ff3b /arch/sparc64/kernel/irq.c | |
| parent | [SERIAL]: Fix console write locking in sparc drivers. (diff) | |
| download | linux-e0204409df29fe1b7d18f81dfc3ae6f9d90e7a63.tar.xz linux-e0204409df29fe1b7d18f81dfc3ae6f9d90e7a63.zip | |
[SPARC64]: dr-cpu unconfigure support.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
| -rw-r--r-- | arch/sparc64/kernel/irq.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index a1c916f35baa..8cb3358674f5 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -803,6 +803,26 @@ void handler_irq(int irq, struct pt_regs *regs) set_irq_regs(old_regs); } +#ifdef CONFIG_HOTPLUG_CPU +void fixup_irqs(void) +{ + unsigned int irq; + + for (irq = 0; irq < NR_IRQS; irq++) { + unsigned long flags; + + spin_lock_irqsave(&irq_desc[irq].lock, flags); + if (irq_desc[irq].action && + !(irq_desc[irq].status & IRQ_PER_CPU)) { + if (irq_desc[irq].chip->set_affinity) + irq_desc[irq].chip->set_affinity(irq, + irq_desc[irq].affinity); + } + spin_unlock_irqrestore(&irq_desc[irq].lock, flags); + } +} +#endif + struct sun5_timer { u64 count0; u64 limit0; |