From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Alexander Shiyan <shc_work@mail.ru>,
Barry Song <baohua@kernel.org>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Kevin Hilman <khilman@linaro.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Larry Bassel <larry.bassel@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [PATCH 02/15] ARM: pass IRQ domain to the core IRQ handler
Date: Sat, 2 Aug 2014 08:51:18 +0100 [thread overview]
Message-ID: <20140802075118.GV30282@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1404825038-547-3-git-send-email-marc.zyngier@arm.com>
On Tue, Jul 08, 2014 at 02:10:25PM +0100, Marc Zyngier wrote:
> Calling irq_find_mapping from outside a irq_{enter,exit} section is
> unsafe and produces ugly messages if CONFIG_PROVE_RCU is enabled:
> If coming from the idle state, the rcu_read_lock call in irq_find_mapping
> will generate an an unpleasant warning.
>
> A solution is to add a new handle_domain_irq entry point into
> the arm code that the interrupt controller code can call.
> This new function takes an irq_domain, and calls into irq_find_domain
> inside the irq_{enter,exit} block.
>
> Interrupt controllers can then be updated to use the new mechanism.
I merged this last night, and this says it all...
Subject: rmk build: 244 warnings 49 failures (rmk/v3.16-rc3-70-gc1ed1df)
arch/arm/kernel/irq.c:81:3: error: implicit declaration of function 'irq_find_mapping' [-Werror=implicit-function-declaration]
So I'm dropping it.
--
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according to speedtest.net.
next prev parent reply other threads:[~2014-08-02 7:51 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-08 13:10 [PATCH 00/15] arm/arm64: fix use of irq_find_mapping outside of legal RCU context Marc Zyngier
2014-07-08 13:10 ` [PATCH 01/15] arm64: pass IRQ domain to the core IRQ handler Marc Zyngier
2014-07-08 13:10 ` [PATCH 02/15] ARM: " Marc Zyngier
2014-08-02 7:51 ` Russell King - ARM Linux [this message]
2014-08-04 10:00 ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 03/15] irqchip: GIC: convert to handle_domain_irq Marc Zyngier
2014-07-08 13:10 ` [PATCH 04/15] irqchip: armada-370-xp: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 05/15] irqchip: clps711x: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 06/15] irqchip: mmp: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 07/15] irqchip: mxs: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 08/15] irqchip: orion: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 09/15] irqchip: s3c24xx: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 10/15] irqchip: sirfsoc: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 11/15] irqchip: sun4i: " Marc Zyngier
2014-07-15 9:18 ` Antoine Ténart
2014-07-08 13:10 ` [PATCH 12/15] irqchip: versatile-fpga: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 13/15] irqchip: vic: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 14/15] irqchip: vt8500: " Marc Zyngier
2014-07-08 13:10 ` [PATCH 15/15] irqchip: zevio: " Marc Zyngier
2014-07-11 20:38 ` [PATCH 00/15] arm/arm64: fix use of irq_find_mapping outside of legal RCU context Christopher Covington
2014-07-29 14:28 ` Marc Zyngier
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