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Groups > linux.kernel > #1714718
| From | Marc Zyngier <marc.zyngier@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 06/12] irqchip/armada-370-xp: Report that effective affinity is a single target |
| Date | 2017-08-18 10:50 +0200 |
| Message-ID | <ufL8D-13v-39@gated-at.bofh.it> (permalink) |
| References | <ufKYV-Zv-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The Armada 370 XP 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-armada-370-xp.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index ce99c1ee6c7d..cd688777553c 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -66,6 +66,7 @@ config ARMADA_370_XP_IRQ
bool
select GENERIC_IRQ_CHIP
select PCI_MSI if PCI
+ select GENERIC_IRQ_EFFECTIVE_AFF_MASK
config ALPINE_MSI
bool
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index b207b2c3aa55..eb815676c088 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -330,6 +330,8 @@ static int armada_xp_set_affinity(struct irq_data *d,
writel(reg, main_int_base + ARMADA_370_XP_INT_SOURCE_CTL(hwirq));
raw_spin_unlock(&irq_controller_lock);
+ irq_data_update_effective_affinity(d, cpumask_of(cpu));
+
return IRQ_SET_MASK_OK;
}
#endif
@@ -363,6 +365,7 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
} else {
irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
handle_level_irq);
+ irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
}
irq_set_probe(virq);
--
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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