Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1714736

[tip:irq/core] irqchip/hip04: Report that effective affinity is a single target

Show all headers | View raw

Commit-ID:  79a0d4d8f1ae9568a952c8e5928ee81b30c8df11
Gitweb:     http://git.kernel.org/tip/79a0d4d8f1ae9568a952c8e5928ee81b30c8df11
Author:     Marc Zyngier <marc.zyngier@arm.com>
AuthorDate: Fri, 18 Aug 2017 09:39:23 +0100
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 18 Aug 2017 10:54:42 +0200

irqchip/hip04: Report that effective affinity is a single target

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>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: http://lkml.kernel.org/r/20170818083925.10108-11-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 a3b091a..65a048f 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 c1b4ee9..5b4fd2f 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;

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[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

csiph-web