Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1712092
| Path | csiph.com!xmission!news.neodome.net!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Marc Zyngier <marc.zyngier@arm.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 06/12] irqchip/armada-370-xp: Report that effective affinity is a single target |
| Date | Tue, 15 Aug 2017 13:40:02 +0200 |
| Message-ID | <ueImu-Il-19@gated-at.bofh.it> (permalink) |
| References | <ueImt-Il-11@gated-at.bofh.it> |
| X-Mailer | git-send-email 2.11.0 |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 45 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Wei Xu <xuwei5@hisilicon.com>, James Hogan <james.hogan@imgtec.com>, Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>, Gregory Clement <gregory.clement@free-electrons.com>, Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>, Kevin Cernekee <cernekee@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, Paul Burton <paul.burton@imgtec.com>, Matt Redfearn <matt.redfearn@imgtec.com> |
| X-Original-Date | Tue, 15 Aug 2017 12:34:41 +0100 |
| X-Original-Message-ID | <20170815113447.14507-7-marc.zyngier@arm.com> |
| X-Original-References | <20170815113447.14507-1-marc.zyngier@arm.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1712092 |
Show key headers only | View raw
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
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH 06/12] irqchip/armada-370-xp: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
csiph-web