Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1712099
| From | Marc Zyngier <marc.zyngier@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target |
| Date | 2017-08-15 13:40 +0200 |
| Message-ID | <ueImu-Il-23@gated-at.bofh.it> (permalink) |
| References | <ueImt-Il-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The MIPS GIC driver only targets a single CPU at a time, even if the notional affinity is wider. Let's inform the core code about this. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- drivers/irqchip/Kconfig | 1 + drivers/irqchip/irq-mips-gic.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 39bfa5b25b54..bca9a88012f0 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -141,6 +141,7 @@ config IRQ_MIPS_CPU select GENERIC_IRQ_IPI if SYS_SUPPORTS_MULTITHREADING select IRQ_DOMAIN select IRQ_DOMAIN_HIERARCHY if GENERIC_IRQ_IPI + select GENERIC_IRQ_EFFECTIVE_AFF_MASK config CLPS711X_IRQCHIP bool diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 6ab1d3afec02..e075cb25fad6 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -463,6 +463,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask); cpumask_copy(irq_data_get_affinity_mask(d), cpumask); + irq_data_update_effective_affinity(d, cpumask); spin_unlock_irqrestore(&gic_lock, flags); return IRQ_SET_MASK_OK_NOCOPY; @@ -716,6 +717,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, if (err) return err; + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq))); return gic_shared_irq_domain_map(d, virq, hwirq, 0); } -- 2.11.0
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 00/12] genirq/irqchip: Effective affinity fixups Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
[PATCH 02/12] genirq/proc: Use the the accessor to report the effective affinity Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
[PATCH 01/12] genirq: Restrict effective affinity to single-target interrupts Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
Re: [PATCH 01/12] genirq: Restrict effective affinity to single-target interrupts Thomas Gleixner <tglx@linutronix.de> - 2017-08-15 14:10 +0200
Re: [PATCH 01/12] genirq: Restrict effective affinity to single-target interrupts Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 14:20 +0200
[PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
Re: [PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target Paul Burton <paul.burton@imgtec.com> - 2017-08-15 18:30 +0200
Re: [PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target Paul Burton <paul.burton@imgtec.com> - 2017-08-15 18:50 +0200
Re: [PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 18:50 +0200
[PATCH 08/12] irqchip/bcm-7038-l1: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
[PATCH 04/12] irqchip/gic-v3: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
[PATCH 12/12] irqchip/xtensa-mx: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
[PATCH 07/12] irqchip/bcm-6345-l1: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
[PATCH 03/12] irqchip/gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
csiph-web