From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
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Vladimir Murzin <Vladimir.Murzin@arm.com>
Subject: Re: [PATCH v2 01/26] genirq: add irq_domain-aware core IRQ handler
Date: Mon, 1 Sep 2014 16:22:48 +0100 [thread overview]
Message-ID: <20140901152248.GA30405@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <53FCD60E.1030009@codeaurora.org>
On Tue, Aug 26, 2014 at 11:46:38AM -0700, Stephen Boyd wrote:
> Ah ok. This is the multi-irq handler case? Has this been broken since
> v3.2 at least for the gic users? Now that we call irq_enter()/irq_exit()
> a lot more code runs, including things like updating jiffies when
> interrupts arrive and invoking softirq? Do we only call irq_exit() on
> the IPI path otherwise?
>
> Are there any plans to send this back to stable trees? Not calling
> irq_enter()/irq_exit() when we get an interrupt seems like a big problem.
gic_handle_irq() calls handle_IRQ() which has the irq_enter()..irq_exit()
wrappers.
If we didn't have irq_exit(), then softirq's would be totally broken on
all gic-based platforms.
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2014-09-01 15:23 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-26 10:03 [PATCH v2 00/26] genirq: fix use of irq_find_mapping outside of legal RCU context Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 01/26] genirq: add irq_domain-aware core IRQ handler Marc Zyngier
2014-08-26 17:42 ` Stephen Boyd
2014-08-26 18:07 ` Marc Zyngier
2014-08-26 18:46 ` Stephen Boyd
2014-08-26 19:05 ` Stephen Boyd
2014-09-01 15:22 ` Russell King - ARM Linux [this message]
2014-08-26 10:03 ` [PATCH v2 02/26] arm64: convert handle_IRQ to use __handle_domain_irq Marc Zyngier
2014-08-26 16:51 ` Catalin Marinas
2014-08-26 16:58 ` Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 03/26] ARM: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 04/26] openrisc: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 05/26] irqchip: GIC: convert to handle_domain_irq Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 06/26] irqchip: armada-370-xp: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 07/26] irqchip: clps711x: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 08/26] irqchip: mmp: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 09/26] irqchip: mxs: " Marc Zyngier
2014-08-27 6:38 ` Shawn Guo
2014-08-26 10:03 ` [PATCH v2 10/26] irqchip: orion: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 11/26] irqchip: s3c24xx: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 12/26] irqchip: sirfsoc: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 13/26] irqchip: sun4i: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 14/26] irqchip: versatile-fpga: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 15/26] irqchip: vic: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 16/26] irqchip: vt8500: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 17/26] irqchip: zevio: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 18/26] irqchip: GICv3: " Marc Zyngier
2014-08-26 10:03 ` [PATCH v2 19/26] irqchip: atmel-aic: " Marc Zyngier
2014-09-01 9:32 ` Nicolas Ferre
2014-09-01 10:16 ` Boris BREZILLON
2014-08-26 10:03 ` [PATCH v2 20/26] irqchip: atmel-aic5: " Marc Zyngier
2014-09-01 9:33 ` Nicolas Ferre
2014-09-01 9:51 ` Boris BREZILLON
2014-08-26 10:03 ` [PATCH v2 21/26] irqchip: or1k-pic: " Marc Zyngier
2014-08-27 17:09 ` Stefan Kristiansson
2014-08-26 10:03 ` [PATCH v2 22/26] ARM: imx: avic: " Marc Zyngier
2014-08-27 6:40 ` Shawn Guo
2014-08-26 10:03 ` [PATCH v2 23/26] ARM: imx: tzic: " Marc Zyngier
2014-08-27 6:40 ` Shawn Guo
2014-08-26 10:03 ` [PATCH v2 24/26] ARM: omap2: irq: " Marc Zyngier
2014-08-26 20:57 ` Tony Lindgren
2014-08-26 10:03 ` [PATCH v2 25/26] arm64: get rid of handle_IRQ Marc Zyngier
2014-08-26 16:53 ` Catalin Marinas
2014-08-26 10:03 ` [PATCH v2 26/26] openrisc: " Marc Zyngier
2014-08-26 21:34 ` [PATCH v2 00/26] genirq: fix use of irq_find_mapping outside of legal RCU context Thomas Gleixner
2014-08-27 9:33 ` Marc Zyngier
2014-09-03 12:04 ` Jason Cooper
2014-09-03 12:09 ` Thomas Gleixner
2014-09-03 12:21 ` Marc Zyngier
2014-09-03 12:25 ` Thomas Gleixner
2014-09-03 12:37 ` Jason Cooper
2014-09-03 12:40 ` Marc Zyngier
2014-09-03 12:37 ` Marc Zyngier
2014-09-03 13:18 ` Jason Cooper
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