From 4994be1b3fe9120c88022ff5c0c33f6312b17adb Mon Sep 17 00:00:00 2001 From: Yasuaki Ishimatsu Date: Tue, 17 Jul 2007 21:22:33 +0900 Subject: [IA64] Add support for vector domain Add fundamental support for multiple vector domain. There still exists only one vector domain even with this patch. IRQ migration across domain is not supported yet by this patch. Signed-off-by: Kenji Kaneshige Signed-off-by: Yasuaki Ishimatsu Signed-off-by: Tony Luck --- arch/ia64/kernel/iosapic.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'arch/ia64/kernel/iosapic.c') diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index cf27cfb4d16..e647254c270 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", -- cgit v1.2.3