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Merge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86/irq: mark NUMA_MIGRATE_IRQ_DESC broken
  x86, irq: Remove IRQ_DISABLED check in process context IRQ move
This commit is contained in:
Linus Torvalds 2009-04-26 10:29:18 -07:00
commit fc2e3180a7
3 changed files with 5 additions and 3 deletions
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1
arch/x86/Kconfig
View File

@ -277,6 +277,7 @@ config SPARSE_IRQ
config NUMA_MIGRATE_IRQ_DESC
bool "Move irq desc when changing irq smp_affinity"
depends on SPARSE_IRQ && NUMA
depends on BROKEN
default n
---help---
This enables moving irq_desc to cpu/node that irq will use handled.

2
arch/x86/kernel/apic/io_apic.c
View File

@ -3670,12 +3670,14 @@ int arch_setup_hpet_msi(unsigned int irq)
{
int ret;
struct msi_msg msg;
struct irq_desc *desc = irq_to_desc(irq);
ret = msi_compose_msg(NULL, irq, &msg);
if (ret < 0)
return ret;
hpet_msi_write(irq, &msg);
desc->status |= IRQ_MOVE_PCNTXT;
set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq,
"edge");

5
kernel/irq/manage.c
View File

@ -109,10 +109,9 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
spin_lock_irqsave(&desc->lock, flags);
#ifdef CONFIG_GENERIC_PENDING_IRQ
if (desc->status & IRQ_MOVE_PCNTXT || desc->status & IRQ_DISABLED) {
cpumask_copy(desc->affinity, cpumask);
if (desc->status & IRQ_MOVE_PCNTXT)
desc->chip->set_affinity(irq, cpumask);
} else {
else {
desc->status |= IRQ_MOVE_PENDING;
cpumask_copy(desc->pending_mask, cpumask);
}