linux-kernel - Re: [PATCH 1/1] irqchip/gicv3: iterate over possible CPUs by for_each_possible

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Message-ID: <86o9qdqe7m.fsf@arm.com>
Date:   Thu, 14 Sep 2017 20:20:45 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     zijun_hu <zijun_hu@...o.com>
Cc:     <tglx@...utronix.de>, <jason@...edaemon.net>,
        <james.morse@....com>, <sudeep.holla@....com>,
        <linux-kernel@...r.kernel.org>, <zijun_hu@....com>
Subject: Re: [PATCH 1/1] irqchip/gicv3: iterate over possible CPUs by for_each_possible_cpu()

On Thu, Sep 14 2017 at  1:15:14 pm BST, zijun_hu <zijun_hu@...o.com> wrote:
> From: zijun_hu <zijun_hu@....com>
>
> get_cpu_number() doesn't use existing helper to iterate over possible
> CPUs, so error happens in case of discontinuous @cpu_possible_mask
> such as 0b11110001.

Do you have an example of such a situation? Your patch is definitely an
improvement, but I'd like to understand how you get there...

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny.