Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1712091
| Path | csiph.com!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Marc Zyngier <marc.zyngier@arm.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 09/12] irqchip/metag-ext: Report that effective affinity is a single target |
| Date | Tue, 15 Aug 2017 13:40:01 +0200 |
| Message-ID | <ueImt-Il-9@gated-at.bofh.it> (permalink) |
| References | <ueImt-Il-11@gated-at.bofh.it> |
| X-Original-To | linux-kernel@vger.kernel.org |
| 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 | 46 |
| 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 12:34:44 +0100 |
| X-Original-Message-ID | <20170815113447.14507-10-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:1712091 |
Show key headers only | View raw
The metag-ext 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/metag/Kconfig | 1 + drivers/irqchip/irq-metag-ext.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig index 5b7a45d99cfb..7d8b322e5101 100644 --- a/arch/metag/Kconfig +++ b/arch/metag/Kconfig @@ -26,6 +26,7 @@ config METAG select HAVE_SYSCALL_TRACEPOINTS select HAVE_UNDERSCORE_SYMBOL_PREFIX select IRQ_DOMAIN + select GENERIC_IRQ_EFFECTIVE_AFF_MASK select MODULES_USE_ELF_RELA select OF select OF_EARLY_FLATTREE diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c index 0cdd923d1535..be7216bfb8dd 100644 --- a/drivers/irqchip/irq-metag-ext.c +++ b/drivers/irqchip/irq-metag-ext.c @@ -518,6 +518,8 @@ static int meta_intc_set_affinity(struct irq_data *data, metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr); + irq_data_update_effective_affinity(data, cpumask_of(cpu)); + return 0; } #else @@ -578,6 +580,8 @@ static int meta_intc_map(struct irq_domain *d, unsigned int irq, else irq_set_chip_and_handler(irq, &meta_intc_edge_chip, handle_edge_irq); + + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq))); return 0; } -- 2.11.0
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH 09/12] irqchip/metag-ext: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-15 13:40 +0200
csiph-web