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Date: Tue, 13 Oct 2015 20:28:24 +0100
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Yang Yingliang <yangyingliang@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Jiang Liu <jiang.liu@linux.intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Mark Rutland <mark.rutland@arm.com>, Will Deacon <will.deacon@arm.com>,
        Hanjun Guo <hanjun.guo@linaro.org>
Subject: Re: [RFC PATCH v6 3/3] arm: fix a migrating irq bug when hotplug cpu
Message-ID: <20151013192824.GL32532@n2100.arm.linux.org.uk>
References: <1443087135-17044-1-git-send-email-yangyingliang@huawei.com>
 <1443087135-17044-4-git-send-email-yangyingliang@huawei.com>
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On Thu, Sep 24, 2015 at 05:32:15PM +0800, Yang Yingliang wrote:
> When cpu is disabled, all irqs will be migratged to another cpu.
> In some cases, a new affinity is different, the old affinity need
> to be updated and if irq_set_affinity's return value is IRQ_SET_MASK_OK_DONE,
> the old affinity can not be updated. Fix it by using irq_do_set_affinity.
> 
> And migrating interrupts is a core code matter, so use the generic
> function irq_migrate_all_off_this_cpu() to migrate interrupts in
> kernel/irq/migration.c.

Please can you put this patch in the patch system so I don't forget it
(it's taken tglx prompting and quite a long time to find this in my
mailbox already.)

See http:/www.arm.linux.org.uk/developer/patches/

Thanks.

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