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Groups > linux.kernel > #1714713
| From | Marc Zyngier <marc.zyngier@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 10/12] irqchip/hip04: Report that effective affinity is a single target |
| Date | 2017-08-18 10:50 +0200 |
| Message-ID | <ufL8D-13v-29@gated-at.bofh.it> (permalink) |
| References | <ufKYV-Zv-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The HIP04 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> --- arch/arm/mach-hisi/Kconfig | 1 + drivers/irqchip/irq-hip04.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/arch/arm/mach-hisi/Kconfig b/arch/arm/mach-hisi/Kconfig index a3b091a4d344..65a048fa08ec 100644 --- a/arch/arm/mach-hisi/Kconfig +++ b/arch/arm/mach-hisi/Kconfig @@ -39,6 +39,7 @@ config ARCH_HIP04 select HAVE_ARM_ARCH_TIMER select MCPM if SMP select MCPM_QUAD_CLUSTER if SMP + select GENERIC_IRQ_EFFECTIVE_AFF_MASK help Support for Hisilicon HiP04 SoC family diff --git a/drivers/irqchip/irq-hip04.c b/drivers/irqchip/irq-hip04.c index c1b4ee955dbe..5b4fd2f4e5f8 100644 --- a/drivers/irqchip/irq-hip04.c +++ b/drivers/irqchip/irq-hip04.c @@ -165,6 +165,8 @@ static int hip04_irq_set_affinity(struct irq_data *d, writel_relaxed(val | bit, reg); raw_spin_unlock(&irq_controller_lock); + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK; } #endif @@ -312,6 +314,7 @@ static int hip04_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_set_chip_and_handler(irq, &hip04_irq_chip, handle_fasteoi_irq); irq_set_probe(irq); + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq))); } irq_set_chip_data(irq, d->host_data); return 0; -- 2.11.0
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[PATCH v2 00/12] genirq/irqchip: Effective affinity fixups Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
[PATCH v2 05/12] irqchip/gic-v3-its: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
[tip:irq/core] irqchip/gic-v3-its: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 04/12] irqchip/gic-v3: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
[tip:irq/core] irqchip/gic-v3: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 02/12] genirq/proc: Use the the accessor to report the effective affinity Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
[tip:irq/core] genirq/proc: Use the the accessor to report the effective affinity tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 11/12] irqchip/mips-gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/mips-gic: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 09/12] irqchip/metag-ext: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/metag-ext: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 07/12] irqchip/bcm-6345-l1: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/bcm-6345-l1: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 01/12] genirq: Restrict effective affinity to interrupts actually using it Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] genirq: Restrict effective affinity to interrupts actually using it tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 03/12] irqchip/gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/gic: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 10/12] irqchip/hip04: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/hip04: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 12/12] irqchip/xtensa-mx: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/xtensa-mx: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 08/12] irqchip/bcm-7038-l1: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/bcm-7038-l1: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
[PATCH v2 06/12] irqchip/armada-370-xp: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
[tip:irq/core] irqchip/armada-370-xp: Report that effective affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
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