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From: cov@codeaurora.org (Christopher Covington)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 00/15] arm/arm64: fix use of irq_find_mapping outside of legal RCU context
Date: Fri, 11 Jul 2014 16:38:22 -0400	[thread overview]
Message-ID: <53C04B3E.20908@codeaurora.org> (raw)
In-Reply-To: <1404825038-547-1-git-send-email-marc.zyngier@arm.com>

Hi Mark,

On 07/08/2014 09:10 AM, Marc Zyngier wrote:
> A number of irqchip drivers are directly calling irq_find_mapping,
> which may use a rcu_read_lock call when walking the radix tree.

If this happens to be easy for you to determine: do direct callers of
irq_find_host such as irq_create_of_mapping have a similar problem with
irq_domain_mutex?

Thanks,
Christopher

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.

WARNING: multiple messages have this Message-ID (diff)
From: Christopher Covington <cov@codeaurora.org>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>,
	Barry Song <baohua@kernel.org>, Kevin Hilman <khilman@linaro.org>,
	Russell King <linux@arm.linux.org.uk>,
	Jason Cooper <jason@lakedaemon.net>,
	Alexander Shiyan <shc_work@mail.ru>,
	Larry Bassel <larry.bassel@linaro.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Will Deacon <will.deacon@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Maxime Ripard <maxime.ripard@free-electrons.com>
Subject: Re: [PATCH 00/15] arm/arm64: fix use of irq_find_mapping outside of legal RCU context
Date: Fri, 11 Jul 2014 16:38:22 -0400	[thread overview]
Message-ID: <53C04B3E.20908@codeaurora.org> (raw)
In-Reply-To: <1404825038-547-1-git-send-email-marc.zyngier@arm.com>

Hi Mark,

On 07/08/2014 09:10 AM, Marc Zyngier wrote:
> A number of irqchip drivers are directly calling irq_find_mapping,
> which may use a rcu_read_lock call when walking the radix tree.

If this happens to be easy for you to determine: do direct callers of
irq_find_host such as irq_create_of_mapping have a similar problem with
irq_domain_mutex?

Thanks,
Christopher

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.

  parent reply	other threads:[~2014-07-11 20:38 UTC|newest]

Thread overview: 42+ 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 ` 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   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 02/15] ARM: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-08-02  7:51   ` Russell King - ARM Linux
2014-08-02  7:51     ` Russell King - ARM Linux
2014-08-04 10:00     ` Marc Zyngier
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   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 04/15] irqchip: armada-370-xp: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 05/15] irqchip: clps711x: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 06/15] irqchip: mmp: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 07/15] irqchip: mxs: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 08/15] irqchip: orion: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 09/15] irqchip: s3c24xx: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 10/15] irqchip: sirfsoc: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 11/15] irqchip: sun4i: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-15  9:18   ` Antoine Ténart
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   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 13/15] irqchip: vic: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 14/15] irqchip: vt8500: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-08 13:10 ` [PATCH 15/15] irqchip: zevio: " Marc Zyngier
2014-07-08 13:10   ` Marc Zyngier
2014-07-11 20:38 ` Christopher Covington [this message]
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
2014-07-29 14:28     ` Marc Zyngier

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