| Message ID | 1430709339-29083-3-git-send-email-jiang.liu@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
Hi Gerry, On 2015/5/4 11:15, Jiang Liu wrote: > NUMA node information is per-irq instead of per-irqchip, so move it into > struct irq_common_data. > > Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> > --- > arch/sh/kernel/irq.c | 2 +- > arch/x86/kernel/apic/vector.c | 8 ++++---- > arch/x86/platform/uv/uv_irq.c | 2 +- > include/linux/irq.h | 20 ++++++++++++++++++-- > kernel/irq/internals.h | 5 +++++ > kernel/irq/irqdesc.c | 10 ++-------- > kernel/irq/irqdomain.c | 4 ++-- > kernel/irq/manage.c | 2 +- > kernel/irq/proc.c | 2 +- > 9 files changed, 35 insertions(+), 20 deletions(-) > > diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c > index eb10ff84015c..8dc677cc136b 100644 > --- a/arch/sh/kernel/irq.c > +++ b/arch/sh/kernel/irq.c > @@ -227,7 +227,7 @@ void migrate_irqs(void) > for_each_active_irq(irq) { > struct irq_data *data = irq_get_irq_data(irq); > > - if (data->node == cpu) { > + if (irq_data_get_node(data) == cpu) { > unsigned int newcpu = cpumask_any_and(data->affinity, > cpu_online_mask); > if (newcpu >= nr_cpu_ids) { > diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c > index 96ce5068a926..983bea2a09ce 100644 > --- a/arch/x86/kernel/apic/vector.c > +++ b/arch/x86/kernel/apic/vector.c > @@ -345,7 +345,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, > struct irq_alloc_info *info = arg; > struct apic_chip_data *data; > struct irq_data *irq_data; > - int i, err; > + int i, err, node; > > if (disable_apic) > return -ENXIO; > @@ -357,12 +357,13 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, > for (i = 0; i < nr_irqs; i++) { > irq_data = irq_domain_get_irq_data(domain, virq + i); > BUG_ON(!irq_data); > + node = irq_data_get_node(irq_data); > #ifdef CONFIG_X86_IO_APIC > if (virq + i < nr_legacy_irqs() && legacy_irq_data[virq + i]) > data = legacy_irq_data[virq + i]; > else > #endif > - data = alloc_apic_chip_data(irq_data->node); > + data = alloc_apic_chip_data(node); > if (!data) { > err = -ENOMEM; > goto error; > @@ -371,8 +372,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, > irq_data->chip = &lapic_controller; > irq_data->chip_data = data; > irq_data->hwirq = virq + i; > - err = assign_irq_vector_policy(virq, irq_data->node, data, > - info); > + err = assign_irq_vector_policy(virq, node, data, info); > if (err) > goto error; > } > diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c > index cdf86cd3fd97..bc992b7b041f 100644 > --- a/arch/x86/platform/uv/uv_irq.c > +++ b/arch/x86/platform/uv/uv_irq.c > @@ -89,7 +89,7 @@ static int uv_domain_alloc(struct irq_domain *domain, unsigned int virq, > return -EINVAL; > > chip_data = kmalloc_node(sizeof(*chip_data), GFP_KERNEL, > - irq_data->node); > + irq_data_get_node(irq_data)); > if (!chip_data) > return -ENOMEM; > > diff --git a/include/linux/irq.h b/include/linux/irq.h > index 3b6e0def7f5c..3f999a0af713 100644 > --- a/include/linux/irq.h > +++ b/include/linux/irq.h > @@ -129,9 +129,13 @@ struct irq_domain; > * struct irq_common_data - per irq data shared by all irqchips > * @state_use_accessors: status information for irq chip functions. > * Use accessor functions to deal with it > + * @node: node index useful for balancing > */ > struct irq_common_data { > unsigned int state_use_accessors; > +#ifdef CONFIG_SMP Would CONFIG_NUMA be a little more appropriate? Or even let @node be always compiled? Thanks, Abel > + unsigned int node; > +#endif > }; > > /** > @@ -139,7 +143,6 @@ struct irq_common_data { > * @mask: precomputed bitmask for accessing the chip registers > * @irq: interrupt number > * @hwirq: hardware interrupt number, local to the interrupt domain > - * @node: node index useful for balancing > * @common: point to data shared by all irqchips > * @chip: low level interrupt hardware access > * @domain: Interrupt translation domain; responsible for mapping > @@ -160,7 +163,6 @@ struct irq_data { > u32 mask; > unsigned int irq; > unsigned long hwirq; > - unsigned int node; > struct irq_common_data *common; > struct irq_chip *chip; > struct irq_domain *domain; > @@ -634,6 +636,20 @@ static inline u32 irq_get_trigger_type(unsigned int irq) > return d ? irqd_get_trigger_type(d) : 0; > } > > +static inline int irq_common_data_get_node(struct irq_common_data *d) > +{ > +#ifdef CONFIG_SMP > + return d->node; > +#else > + return 0; > +#endif > +} > + > +static inline int irq_data_get_node(struct irq_data *d) > +{ > + return irq_common_data_get_node(d->common); > +} > + > unsigned int arch_dynirq_lower_bound(unsigned int from); > > int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, > diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h > index ed84299788b3..d82a77d39aeb 100644 > --- a/kernel/irq/internals.h > +++ b/kernel/irq/internals.h > @@ -199,6 +199,11 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq, struct irq_desc *d > __this_cpu_inc(kstat.irqs_sum); > } > > +static inline int irq_desc_get_node(struct irq_desc *desc) > +{ > + return irq_common_data_get_node(&desc->irq_common_data); > +} > + > #ifdef CONFIG_PM_SLEEP > bool irq_pm_check_wakeup(struct irq_desc *desc); > void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action); > diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c > index eac1aac906ea..20773f073e24 100644 > --- a/kernel/irq/irqdesc.c > +++ b/kernel/irq/irqdesc.c > @@ -52,23 +52,17 @@ static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) > > static void desc_smp_init(struct irq_desc *desc, int node) > { > - desc->irq_data.node = node; > + desc->irq_common_data.node = node; > cpumask_copy(desc->irq_data.affinity, irq_default_affinity); > #ifdef CONFIG_GENERIC_PENDING_IRQ > cpumask_clear(desc->pending_mask); > #endif > } > > -static inline int desc_node(struct irq_desc *desc) > -{ > - return desc->irq_data.node; > -} > - > #else > static inline int > alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) { return 0; } > static inline void desc_smp_init(struct irq_desc *desc, int node) { } > -static inline int desc_node(struct irq_desc *desc) { return 0; } > #endif > > static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node, > @@ -300,7 +294,7 @@ static void free_desc(unsigned int irq) > unsigned long flags; > > raw_spin_lock_irqsave(&desc->lock, flags); > - desc_set_defaults(irq, desc, desc_node(desc), NULL); > + desc_set_defaults(irq, desc, irq_desc_get_node(desc), NULL); > raw_spin_unlock_irqrestore(&desc->lock, flags); > } > > diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c > index 3552b8750efd..93ef89059022 100644 > --- a/kernel/irq/irqdomain.c > +++ b/kernel/irq/irqdomain.c > @@ -830,12 +830,12 @@ static struct irq_data *irq_domain_insert_irq_data(struct irq_domain *domain, > { > struct irq_data *irq_data; > > - irq_data = kzalloc_node(sizeof(*irq_data), GFP_KERNEL, child->node); > + irq_data = kzalloc_node(sizeof(*irq_data), GFP_KERNEL, > + irq_data_get_node(child)); > if (irq_data) { > child->parent_data = irq_data; > irq_data->irq = child->irq; > irq_data->common = child->common; > - irq_data->node = child->node; > irq_data->domain = domain; > } > > diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c > index e68932bb308e..d206aa2c3378 100644 > --- a/kernel/irq/manage.c > +++ b/kernel/irq/manage.c > @@ -332,7 +332,7 @@ static int > setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask) > { > struct cpumask *set = irq_default_affinity; > - int node = desc->irq_data.node; > + int node = irq_desc_get_node(desc); > > /* Excludes PER_CPU and NO_BALANCE interrupts */ > if (!irq_can_set_affinity(irq)) > diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c > index df2f4642d1e7..0e97c142ce40 100644 > --- a/kernel/irq/proc.c > +++ b/kernel/irq/proc.c > @@ -241,7 +241,7 @@ static int irq_node_proc_show(struct seq_file *m, void *v) > { > struct irq_desc *desc = irq_to_desc((long) m->private); > > - seq_printf(m, "%d\n", desc->irq_data.node); > + seq_printf(m, "%d\n", irq_desc_get_node(desc)); > return 0; > } > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 2015/5/8 10:29, Yun Wu (Abel) wrote: > Hi Gerry, > On 2015/5/4 11:15, Jiang Liu wrote: > >> NUMA node information is per-irq instead of per-irqchip, so move it into >> struct irq_common_data. >> >> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> >> --- >> arch/sh/kernel/irq.c | 2 +- >> arch/x86/kernel/apic/vector.c | 8 ++++---- >> arch/x86/platform/uv/uv_irq.c | 2 +- >> include/linux/irq.h | 20 ++++++++++++++++++-- >> kernel/irq/internals.h | 5 +++++ >> kernel/irq/irqdesc.c | 10 ++-------- >> kernel/irq/irqdomain.c | 4 ++-- >> kernel/irq/manage.c | 2 +- >> kernel/irq/proc.c | 2 +- >> 9 files changed, 35 insertions(+), 20 deletions(-) >> >> diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c >> index eb10ff84015c..8dc677cc136b 100644 >> --- a/arch/sh/kernel/irq.c >> +++ b/arch/sh/kernel/irq.c >> @@ -227,7 +227,7 @@ void migrate_irqs(void) >> for_each_active_irq(irq) { >> struct irq_data *data = irq_get_irq_data(irq); >> >> - if (data->node == cpu) { >> + if (irq_data_get_node(data) == cpu) { >> unsigned int newcpu = cpumask_any_and(data->affinity, >> cpu_online_mask); >> if (newcpu >= nr_cpu_ids) { >> diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c >> index 96ce5068a926..983bea2a09ce 100644 >> --- a/arch/x86/kernel/apic/vector.c >> +++ b/arch/x86/kernel/apic/vector.c >> @@ -345,7 +345,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, >> struct irq_alloc_info *info = arg; >> struct apic_chip_data *data; >> struct irq_data *irq_data; >> - int i, err; >> + int i, err, node; >> >> if (disable_apic) >> return -ENXIO; >> @@ -357,12 +357,13 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, >> for (i = 0; i < nr_irqs; i++) { >> irq_data = irq_domain_get_irq_data(domain, virq + i); >> BUG_ON(!irq_data); >> + node = irq_data_get_node(irq_data); >> #ifdef CONFIG_X86_IO_APIC >> if (virq + i < nr_legacy_irqs() && legacy_irq_data[virq + i]) >> data = legacy_irq_data[virq + i]; >> else >> #endif >> - data = alloc_apic_chip_data(irq_data->node); >> + data = alloc_apic_chip_data(node); >> if (!data) { >> err = -ENOMEM; >> goto error; >> @@ -371,8 +372,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, >> irq_data->chip = &lapic_controller; >> irq_data->chip_data = data; >> irq_data->hwirq = virq + i; >> - err = assign_irq_vector_policy(virq, irq_data->node, data, >> - info); >> + err = assign_irq_vector_policy(virq, node, data, info); >> if (err) >> goto error; >> } >> diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c >> index cdf86cd3fd97..bc992b7b041f 100644 >> --- a/arch/x86/platform/uv/uv_irq.c >> +++ b/arch/x86/platform/uv/uv_irq.c >> @@ -89,7 +89,7 @@ static int uv_domain_alloc(struct irq_domain *domain, unsigned int virq, >> return -EINVAL; >> >> chip_data = kmalloc_node(sizeof(*chip_data), GFP_KERNEL, >> - irq_data->node); >> + irq_data_get_node(irq_data)); >> if (!chip_data) >> return -ENOMEM; >> >> diff --git a/include/linux/irq.h b/include/linux/irq.h >> index 3b6e0def7f5c..3f999a0af713 100644 >> --- a/include/linux/irq.h >> +++ b/include/linux/irq.h >> @@ -129,9 +129,13 @@ struct irq_domain; >> * struct irq_common_data - per irq data shared by all irqchips >> * @state_use_accessors: status information for irq chip functions. >> * Use accessor functions to deal with it >> + * @node: node index useful for balancing >> */ >> struct irq_common_data { >> unsigned int state_use_accessors; >> +#ifdef CONFIG_SMP > > Would CONFIG_NUMA be a little more appropriate? > Or even let @node be always compiled? Sorry for comment before reading your next patch in which you replaced CONFIG_SMP with CONFIG_NUMA. And letting @node be under CONFIG_NUMA makes sense, because it's useless in non-NUMA scenario. Thanks, Abel > > >> + unsigned int node; >> +#endif >> }; >> >> /** >> @@ -139,7 +143,6 @@ struct irq_common_data { >> * @mask: precomputed bitmask for accessing the chip registers >> * @irq: interrupt number >> * @hwirq: hardware interrupt number, local to the interrupt domain >> - * @node: node index useful for balancing >> * @common: point to data shared by all irqchips >> * @chip: low level interrupt hardware access >> * @domain: Interrupt translation domain; responsible for mapping >> @@ -160,7 +163,6 @@ struct irq_data { >> u32 mask; >> unsigned int irq; >> unsigned long hwirq; >> - unsigned int node; >> struct irq_common_data *common; >> struct irq_chip *chip; >> struct irq_domain *domain; >> @@ -634,6 +636,20 @@ static inline u32 irq_get_trigger_type(unsigned int irq) >> return d ? irqd_get_trigger_type(d) : 0; >> } >> >> +static inline int irq_common_data_get_node(struct irq_common_data *d) >> +{ >> +#ifdef CONFIG_SMP >> + return d->node; >> +#else >> + return 0; >> +#endif >> +} >> + >> +static inline int irq_data_get_node(struct irq_data *d) >> +{ >> + return irq_common_data_get_node(d->common); >> +} >> + >> unsigned int arch_dynirq_lower_bound(unsigned int from); >> >> int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, >> diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h >> index ed84299788b3..d82a77d39aeb 100644 >> --- a/kernel/irq/internals.h >> +++ b/kernel/irq/internals.h >> @@ -199,6 +199,11 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq, struct irq_desc *d >> __this_cpu_inc(kstat.irqs_sum); >> } >> >> +static inline int irq_desc_get_node(struct irq_desc *desc) >> +{ >> + return irq_common_data_get_node(&desc->irq_common_data); >> +} >> + >> #ifdef CONFIG_PM_SLEEP >> bool irq_pm_check_wakeup(struct irq_desc *desc); >> void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action); >> diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c >> index eac1aac906ea..20773f073e24 100644 >> --- a/kernel/irq/irqdesc.c >> +++ b/kernel/irq/irqdesc.c >> @@ -52,23 +52,17 @@ static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) >> >> static void desc_smp_init(struct irq_desc *desc, int node) >> { >> - desc->irq_data.node = node; >> + desc->irq_common_data.node = node; >> cpumask_copy(desc->irq_data.affinity, irq_default_affinity); >> #ifdef CONFIG_GENERIC_PENDING_IRQ >> cpumask_clear(desc->pending_mask); >> #endif >> } >> >> -static inline int desc_node(struct irq_desc *desc) >> -{ >> - return desc->irq_data.node; >> -} >> - >> #else >> static inline int >> alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) { return 0; } >> static inline void desc_smp_init(struct irq_desc *desc, int node) { } >> -static inline int desc_node(struct irq_desc *desc) { return 0; } >> #endif >> >> static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node, >> @@ -300,7 +294,7 @@ static void free_desc(unsigned int irq) >> unsigned long flags; >> >> raw_spin_lock_irqsave(&desc->lock, flags); >> - desc_set_defaults(irq, desc, desc_node(desc), NULL); >> + desc_set_defaults(irq, desc, irq_desc_get_node(desc), NULL); >> raw_spin_unlock_irqrestore(&desc->lock, flags); >> } >> >> diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c >> index 3552b8750efd..93ef89059022 100644 >> --- a/kernel/irq/irqdomain.c >> +++ b/kernel/irq/irqdomain.c >> @@ -830,12 +830,12 @@ static struct irq_data *irq_domain_insert_irq_data(struct irq_domain *domain, >> { >> struct irq_data *irq_data; >> >> - irq_data = kzalloc_node(sizeof(*irq_data), GFP_KERNEL, child->node); >> + irq_data = kzalloc_node(sizeof(*irq_data), GFP_KERNEL, >> + irq_data_get_node(child)); >> if (irq_data) { >> child->parent_data = irq_data; >> irq_data->irq = child->irq; >> irq_data->common = child->common; >> - irq_data->node = child->node; >> irq_data->domain = domain; >> } >> >> diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c >> index e68932bb308e..d206aa2c3378 100644 >> --- a/kernel/irq/manage.c >> +++ b/kernel/irq/manage.c >> @@ -332,7 +332,7 @@ static int >> setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask) >> { >> struct cpumask *set = irq_default_affinity; >> - int node = desc->irq_data.node; >> + int node = irq_desc_get_node(desc); >> >> /* Excludes PER_CPU and NO_BALANCE interrupts */ >> if (!irq_can_set_affinity(irq)) >> diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c >> index df2f4642d1e7..0e97c142ce40 100644 >> --- a/kernel/irq/proc.c >> +++ b/kernel/irq/proc.c >> @@ -241,7 +241,7 @@ static int irq_node_proc_show(struct seq_file *m, void *v) >> { >> struct irq_desc *desc = irq_to_desc((long) m->private); >> >> - seq_printf(m, "%d\n", desc->irq_data.node); >> + seq_printf(m, "%d\n", irq_desc_get_node(desc)); >> return 0; >> } >> > > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, 4 May 2015, Jiang Liu wrote: > NUMA node information is per-irq instead of per-irqchip, so move it into > struct irq_common_data. > > Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> > --- > arch/sh/kernel/irq.c | 2 +- > arch/x86/kernel/apic/vector.c | 8 ++++---- > arch/x86/platform/uv/uv_irq.c | 2 +- > include/linux/irq.h | 20 ++++++++++++++++++-- > kernel/irq/internals.h | 5 +++++ > kernel/irq/irqdesc.c | 10 ++-------- > kernel/irq/irqdomain.c | 4 ++-- > kernel/irq/manage.c | 2 +- > kernel/irq/proc.c | 2 +- Can you please split this into several patches for review and bisection sake? 1) Do the cleanup of s/data->node/irq_data_get_node(data)/ 1 a) core code 1 b) arch/sh 1 c) arch/x86 2) Do the actual move of node to common_data Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index eb10ff84015c..8dc677cc136b 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -227,7 +227,7 @@ void migrate_irqs(void) for_each_active_irq(irq) { struct irq_data *data = irq_get_irq_data(irq); - if (data->node == cpu) { + if (irq_data_get_node(data) == cpu) { unsigned int newcpu = cpumask_any_and(data->affinity, cpu_online_mask); if (newcpu >= nr_cpu_ids) { diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 96ce5068a926..983bea2a09ce 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -345,7 +345,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, struct irq_alloc_info *info = arg; struct apic_chip_data *data; struct irq_data *irq_data; - int i, err; + int i, err, node; if (disable_apic) return -ENXIO; @@ -357,12 +357,13 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, for (i = 0; i < nr_irqs; i++) { irq_data = irq_domain_get_irq_data(domain, virq + i); BUG_ON(!irq_data); + node = irq_data_get_node(irq_data); #ifdef CONFIG_X86_IO_APIC if (virq + i < nr_legacy_irqs() && legacy_irq_data[virq + i]) data = legacy_irq_data[virq + i]; else #endif - data = alloc_apic_chip_data(irq_data->node); + data = alloc_apic_chip_data(node); if (!data) { err = -ENOMEM; goto error; @@ -371,8 +372,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, irq_data->chip = &lapic_controller; irq_data->chip_data = data; irq_data->hwirq = virq + i; - err = assign_irq_vector_policy(virq, irq_data->node, data, - info); + err = assign_irq_vector_policy(virq, node, data, info); if (err) goto error; } diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c index cdf86cd3fd97..bc992b7b041f 100644 --- a/arch/x86/platform/uv/uv_irq.c +++ b/arch/x86/platform/uv/uv_irq.c @@ -89,7 +89,7 @@ static int uv_domain_alloc(struct irq_domain *domain, unsigned int virq, return -EINVAL; chip_data = kmalloc_node(sizeof(*chip_data), GFP_KERNEL, - irq_data->node); + irq_data_get_node(irq_data)); if (!chip_data) return -ENOMEM; diff --git a/include/linux/irq.h b/include/linux/irq.h index 3b6e0def7f5c..3f999a0af713 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -129,9 +129,13 @@ struct irq_domain; * struct irq_common_data - per irq data shared by all irqchips * @state_use_accessors: status information for irq chip functions. * Use accessor functions to deal with it + * @node: node index useful for balancing */ struct irq_common_data { unsigned int state_use_accessors; +#ifdef CONFIG_SMP + unsigned int node; +#endif }; /** @@ -139,7 +143,6 @@ struct irq_common_data { * @mask: precomputed bitmask for accessing the chip registers * @irq: interrupt number * @hwirq: hardware interrupt number, local to the interrupt domain - * @node: node index useful for balancing * @common: point to data shared by all irqchips * @chip: low level interrupt hardware access * @domain: Interrupt translation domain; responsible for mapping @@ -160,7 +163,6 @@ struct irq_data { u32 mask; unsigned int irq; unsigned long hwirq; - unsigned int node; struct irq_common_data *common; struct irq_chip *chip; struct irq_domain *domain; @@ -634,6 +636,20 @@ static inline u32 irq_get_trigger_type(unsigned int irq) return d ? irqd_get_trigger_type(d) : 0; } +static inline int irq_common_data_get_node(struct irq_common_data *d) +{ +#ifdef CONFIG_SMP + return d->node; +#else + return 0; +#endif +} + +static inline int irq_data_get_node(struct irq_data *d) +{ + return irq_common_data_get_node(d->common); +} + unsigned int arch_dynirq_lower_bound(unsigned int from); int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index ed84299788b3..d82a77d39aeb 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -199,6 +199,11 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq, struct irq_desc *d __this_cpu_inc(kstat.irqs_sum); } +static inline int irq_desc_get_node(struct irq_desc *desc) +{ + return irq_common_data_get_node(&desc->irq_common_data); +} + #ifdef CONFIG_PM_SLEEP bool irq_pm_check_wakeup(struct irq_desc *desc); void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index eac1aac906ea..20773f073e24 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -52,23 +52,17 @@ static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) static void desc_smp_init(struct irq_desc *desc, int node) { - desc->irq_data.node = node; + desc->irq_common_data.node = node; cpumask_copy(desc->irq_data.affinity, irq_default_affinity); #ifdef CONFIG_GENERIC_PENDING_IRQ cpumask_clear(desc->pending_mask); #endif } -static inline int desc_node(struct irq_desc *desc) -{ - return desc->irq_data.node; -} - #else static inline int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) { return 0; } static inline void desc_smp_init(struct irq_desc *desc, int node) { } -static inline int desc_node(struct irq_desc *desc) { return 0; } #endif static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node, @@ -300,7 +294,7 @@ static void free_desc(unsigned int irq) unsigned long flags; raw_spin_lock_irqsave(&desc->lock, flags); - desc_set_defaults(irq, desc, desc_node(desc), NULL); + desc_set_defaults(irq, desc, irq_desc_get_node(desc), NULL); raw_spin_unlock_irqrestore(&desc->lock, flags); } diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 3552b8750efd..93ef89059022 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -830,12 +830,12 @@ static struct irq_data *irq_domain_insert_irq_data(struct irq_domain *domain, { struct irq_data *irq_data; - irq_data = kzalloc_node(sizeof(*irq_data), GFP_KERNEL, child->node); + irq_data = kzalloc_node(sizeof(*irq_data), GFP_KERNEL, + irq_data_get_node(child)); if (irq_data) { child->parent_data = irq_data; irq_data->irq = child->irq; irq_data->common = child->common; - irq_data->node = child->node; irq_data->domain = domain; } diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index e68932bb308e..d206aa2c3378 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -332,7 +332,7 @@ static int setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask) { struct cpumask *set = irq_default_affinity; - int node = desc->irq_data.node; + int node = irq_desc_get_node(desc); /* Excludes PER_CPU and NO_BALANCE interrupts */ if (!irq_can_set_affinity(irq)) diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index df2f4642d1e7..0e97c142ce40 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -241,7 +241,7 @@ static int irq_node_proc_show(struct seq_file *m, void *v) { struct irq_desc *desc = irq_to_desc((long) m->private); - seq_printf(m, "%d\n", desc->irq_data.node); + seq_printf(m, "%d\n", irq_desc_get_node(desc)); return 0; }
NUMA node information is per-irq instead of per-irqchip, so move it into struct irq_common_data. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> --- arch/sh/kernel/irq.c | 2 +- arch/x86/kernel/apic/vector.c | 8 ++++---- arch/x86/platform/uv/uv_irq.c | 2 +- include/linux/irq.h | 20 ++++++++++++++++++-- kernel/irq/internals.h | 5 +++++ kernel/irq/irqdesc.c | 10 ++-------- kernel/irq/irqdomain.c | 4 ++-- kernel/irq/manage.c | 2 +- kernel/irq/proc.c | 2 +- 9 files changed, 35 insertions(+), 20 deletions(-)