diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-10-14 16:05:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-14 16:05:18 +0200 |
| commit | c7d77a7980e434c3af17de19e3348157f9b9ccce (patch) | |
| tree | b32c5988ce8239b80c83e94c22d68f5eb0fb84da /arch/parisc/kernel/irq.c | |
| parent | 0ce423b6492a02be11662bfaa837dd16945aad3e (diff) | |
| parent | 8a53554e12e98d1759205afd7b8e9e2ea0936f48 (diff) | |
Merge branch 'x86/urgent' into core/efi, to pick up a pending EFI fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/parisc/kernel/irq.c')
| -rw-r--r-- | arch/parisc/kernel/irq.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index f3191db6e2e9..ba5e1c7b1f17 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -131,7 +131,7 @@ static int cpu_set_affinity_irq(struct irq_data *d, const struct cpumask *dest, if (cpu_dest < 0) return -1; - cpumask_copy(d->affinity, dest); + cpumask_copy(irq_data_get_affinity_mask(d), dest); return 0; } @@ -339,7 +339,7 @@ unsigned long txn_affinity_addr(unsigned int irq, int cpu) { #ifdef CONFIG_SMP struct irq_data *d = irq_get_irq_data(irq); - cpumask_copy(d->affinity, cpumask_of(cpu)); + cpumask_copy(irq_data_get_affinity_mask(d), cpumask_of(cpu)); #endif return per_cpu(cpu_data, cpu).txn_addr; @@ -507,8 +507,8 @@ void do_cpu_irq_mask(struct pt_regs *regs) struct pt_regs *old_regs; unsigned long eirr_val; int irq, cpu = smp_processor_id(); + struct irq_data *irq_data; #ifdef CONFIG_SMP - struct irq_desc *desc; cpumask_t dest; #endif @@ -521,10 +521,15 @@ void do_cpu_irq_mask(struct pt_regs *regs) goto set_out; irq = eirr_to_irq(eirr_val); + irq_data = irq_get_irq_data(irq); + + /* Filter out spurious interrupts, mostly from serial port at bootup */ + if (unlikely(!irq_desc_has_action(irq_data_to_desc(irq_data)))) + goto set_out; + #ifdef CONFIG_SMP - desc = irq_to_desc(irq); - cpumask_copy(&dest, desc->irq_data.affinity); - if (irqd_is_per_cpu(&desc->irq_data) && + cpumask_copy(&dest, irq_data_get_affinity_mask(irq_data)); + if (irqd_is_per_cpu(irq_data) && !cpumask_test_cpu(smp_processor_id(), &dest)) { int cpu = cpumask_first(&dest); |