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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-21 14:51:13 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-21 15:00:27 +0100 |
| commit | 2ef75701d1711a1feee2a82b42a2597ddc05f88b (patch) | |
| tree | 376c474932009c459975c9d3865003834f021ad8 /arch/arm | |
| parent | Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff) | |
| download | linux-dev-2ef75701d1711a1feee2a82b42a2597ddc05f88b.tar.xz linux-dev-2ef75701d1711a1feee2a82b42a2597ddc05f88b.zip | |
ARM: CPU hotplug: fix abuse of irqdesc->node
irqdesc's node member is supposed to mark the numa node number for the
interrupt. Our use of it is non-standard. Remove this, replacing the
functionality with a test of the affinity mask.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/common/gic.c | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/irq.c | 10 |
2 files changed, 2 insertions, 9 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 4ddd0a6ac7ff..635d9857b07a 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -189,7 +189,6 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, bit = 1 << (cpu + shift); spin_lock(&irq_controller_lock); - d->node = cpu; val = readl_relaxed(reg) & ~mask; writel_relaxed(val | bit, reg); spin_unlock(&irq_controller_lock); diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 83bbad03fcc6..d7aa5c97877c 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -166,15 +166,9 @@ void migrate_irqs(void) bool affinity_broken = false; raw_spin_lock(&desc->lock); - do { - if (desc->action == NULL) - break; - - if (d->node != cpu) - break; - + if (desc->action != NULL && + cpumask_test_cpu(smp_processor_id(), d->affinity)) affinity_broken = migrate_one_irq(d); - } while (0); raw_spin_unlock(&desc->lock); if (affinity_broken && printk_ratelimit()) |