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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 14:50:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 21:20:20 +0100 |
| commit | 80c5520811d3805adcb15c570ea5e2d489fa5d0b (patch) | |
| tree | ae797a7f4af39f80e77526533d06ac23b439f0ab /kernel/irq/numa_migrate.c | |
| parent | Merge branches 'irq/sparseirq' and 'linus' into irq/core (diff) | |
| parent | cpumask: remove cpumask allocation from idle_balance, fix (diff) | |
| download | linux-80c5520811d3805adcb15c570ea5e2d489fa5d0b.tar.xz linux-80c5520811d3805adcb15c570ea5e2d489fa5d0b.zip | |
Merge branch 'cpus4096' into irq/threaded
Conflicts:
arch/parisc/kernel/irq.c
kernel/irq/handle.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq/numa_migrate.c')
| -rw-r--r-- | kernel/irq/numa_migrate.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c index aef18ab6b75b..243d6121e50e 100644 --- a/kernel/irq/numa_migrate.c +++ b/kernel/irq/numa_migrate.c @@ -33,15 +33,22 @@ static void free_kstat_irqs(struct irq_desc *old_desc, struct irq_desc *desc) old_desc->kstat_irqs = NULL; } -static void init_copy_one_irq_desc(int irq, struct irq_desc *old_desc, +static bool init_copy_one_irq_desc(int irq, struct irq_desc *old_desc, struct irq_desc *desc, int cpu) { memcpy(desc, old_desc, sizeof(struct irq_desc)); + if (!init_alloc_desc_masks(desc, cpu, false)) { + printk(KERN_ERR "irq %d: can not get new irq_desc cpumask " + "for migration.\n", irq); + return false; + } spin_lock_init(&desc->lock); desc->cpu = cpu; lockdep_set_class(&desc->lock, &irq_desc_lock_class); init_copy_kstat_irqs(old_desc, desc, cpu, nr_cpu_ids); + init_copy_desc_masks(old_desc, desc); arch_init_copy_chip_data(old_desc, desc, cpu); + return true; } static void free_one_irq_desc(struct irq_desc *old_desc, struct irq_desc *desc) @@ -71,12 +78,18 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc, node = cpu_to_node(cpu); desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node); if (!desc) { - printk(KERN_ERR "irq %d: can not get new irq_desc for migration.\n", irq); + printk(KERN_ERR "irq %d: can not get new irq_desc " + "for migration.\n", irq); + /* still use old one */ + desc = old_desc; + goto out_unlock; + } + if (!init_copy_one_irq_desc(irq, old_desc, desc, cpu)) { /* still use old one */ + kfree(desc); desc = old_desc; goto out_unlock; } - init_copy_one_irq_desc(irq, old_desc, desc, cpu); irq_desc_ptrs[irq] = desc; spin_unlock_irqrestore(&sparse_irq_lock, flags); |