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Diffstat (limited to 'arch/ia64/kernel/iosapic.c')
-rw-r--r--arch/ia64/kernel/iosapic.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index cf27cfb4d165..e647254c2707 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -354,6 +354,8 @@ iosapic_set_affinity (unsigned int irq, cpumask_t mask)
irq &= (~IA64_IRQ_REDIRECTED);
+ /* IRQ migration across domain is not supported yet */
+ cpus_and(mask, mask, irq_to_domain(irq));
if (cpus_empty(mask))
return;
@@ -663,6 +665,7 @@ get_target_cpu (unsigned int gsi, int irq)
#ifdef CONFIG_SMP
static int cpu = -1;
extern int cpe_vector;
+ cpumask_t domain = irq_to_domain(irq);
/*
* In case of vector shared by multiple RTEs, all RTEs that
@@ -701,7 +704,7 @@ get_target_cpu (unsigned int gsi, int irq)
goto skip_numa_setup;
cpu_mask = node_to_cpumask(iosapic_lists[iosapic_index].node);
-
+ cpus_and(cpu_mask, cpu_mask, domain);
for_each_cpu_mask(numa_cpu, cpu_mask) {
if (!cpu_online(numa_cpu))
cpu_clear(numa_cpu, cpu_mask);
@@ -731,7 +734,7 @@ skip_numa_setup:
do {
if (++cpu >= NR_CPUS)
cpu = 0;
- } while (!cpu_online(cpu));
+ } while (!cpu_online(cpu) || !cpu_isset(cpu, domain));
return cpu_physical_id(cpu);
#else /* CONFIG_SMP */
@@ -900,7 +903,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
switch (int_type) {
case ACPI_INTERRUPT_PMI:
irq = vector = iosapic_vector;
- bind_irq_vector(irq, vector);
+ bind_irq_vector(irq, vector, CPU_MASK_ALL);
/*
* since PMI vector is alloc'd by FW(ACPI) not by kernel,
* we need to make sure the vector is available
@@ -917,7 +920,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
break;
case ACPI_INTERRUPT_CPEI:
irq = vector = IA64_CPE_VECTOR;
- BUG_ON(bind_irq_vector(irq, vector));
+ BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
delivery = IOSAPIC_LOWEST_PRIORITY;
mask = 1;
break;
@@ -953,7 +956,7 @@ iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
unsigned int dest = cpu_physical_id(smp_processor_id());
irq = vector = isa_irq_to_vector(isa_irq);
- BUG_ON(bind_irq_vector(irq, vector));
+ BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY, polarity, trigger);
DBG("ISA: IRQ %u -> GSI %u (%s,%s) -> CPU %d (0x%04x) vector %d\n",