diff options
| -rw-r--r-- | arch/x86/include/asm/apic.h | 8 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/apic_noop.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_cluster.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/vsmp_64.c | 3 |
5 files changed, 14 insertions, 18 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index eec240e..8bebeb8 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -306,7 +306,7 @@ struct apic { unsigned long (*check_apicid_used)(physid_mask_t *map, int apicid); unsigned long (*check_apicid_present)(int apicid); - bool (*vector_allocation_domain)(int cpu, struct cpumask *retmask); + void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); void (*init_apic_ldr)(void); void (*ioapic_phys_id_map)(physid_mask_t *phys_map, physid_mask_t *retmap); @@ -614,7 +614,7 @@ default_cpu_mask_to_apicid_and(const struct cpumask *cpumask, const struct cpumask *andmask, unsigned int *apicid); -static inline bool +static inline void flat_vector_allocation_domain(int cpu, struct cpumask *retmask) { /* Careful. Some cpus do not strictly honor the set of cpus @@ -627,14 +627,12 @@ flat_vector_allocation_domain(int cpu, struct cpumask *retmask) */ cpumask_clear(retmask); cpumask_bits(retmask)[0] = APIC_ALL_CPUS; - return false; } -static inline bool +static inline void default_vector_allocation_domain(int cpu, struct cpumask *retmask) { cpumask_copy(retmask, cpumask_of(cpu)); - return true; } static inline unsigned long default_check_apicid_used(physid_mask_t *map, int apicid) diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index 65c07fc..08c337b 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -100,12 +100,11 @@ static unsigned long noop_check_apicid_present(int bit) return physid_isset(bit, phys_cpu_present_map); } -static bool noop_vector_allocation_domain(int cpu, struct cpumask *retmask) +static void noop_vector_allocation_domain(int cpu, struct cpumask *retmask) { if (cpu != 0) pr_warning("APIC: Vector allocated for non-BSP cpu\n"); cpumask_copy(retmask, cpumask_of(cpu)); - return true; } static u32 noop_apic_read(u32 reg) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index a951ef7..8a08f09 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1134,12 +1134,13 @@ __assign_irq_vector(int irq, struct irq_cfg *cfg, const struct cpumask *mask) /* Only try and allocate irqs on cpus that are present */ err = -ENOSPC; - for_each_cpu_and(cpu, mask, cpu_online_mask) { + cpumask_clear(cfg->old_domain); + cpu = cpumask_first_and(mask, cpu_online_mask); + while (cpu < nr_cpu_ids) { int new_cpu; int vector, offset; - bool more_domains; - more_domains = apic->vector_allocation_domain(cpu, tmp_mask); + apic->vector_allocation_domain(cpu, tmp_mask); if (cpumask_subset(tmp_mask, cfg->domain)) { free_cpumask_var(tmp_mask); @@ -1156,10 +1157,10 @@ next: } if (unlikely(current_vector == vector)) { - if (more_domains) - continue; - else - break; + cpumask_or(cfg->old_domain, cfg->old_domain, tmp_mask); + cpumask_andnot(tmp_mask, mask, cfg->old_domain); + cpu = cpumask_first_and(tmp_mask, cpu_online_mask); + continue; } if (test_bit(vector, used_vectors)) diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 943d03f..b5d889b 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -212,11 +212,10 @@ static int x2apic_cluster_probe(void) /* * Each x2apic cluster is an allocation domain. */ -static bool cluster_vector_allocation_domain(int cpu, struct cpumask *retmask) +static void cluster_vector_allocation_domain(int cpu, struct cpumask *retmask) { cpumask_clear(retmask); cpumask_copy(retmask, per_cpu(cpus_in_cluster, cpu)); - return true; } static struct apic apic_x2apic_cluster = { diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index fa5adb7..3f0285a 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -208,10 +208,9 @@ static int apicid_phys_pkg_id(int initial_apic_id, int index_msb) * In vSMP, all cpus should be capable of handling interrupts, regardless of * the APIC used. */ -static bool fill_vector_allocation_domain(int cpu, struct cpumask *retmask) +static void fill_vector_allocation_domain(int cpu, struct cpumask *retmask) { cpumask_setall(retmask); - return false; } static void vsmp_apic_post_init(void) |
