linux-kernel - [question] NR

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Message-ID: <AANLkTimoBdFyQ6GfS2DKiF0wdRox0x7MfM0_keD9Z1D0@mail.gmail.com>
Date:	Wed, 24 Nov 2010 15:28:37 +0800
From:	Haojian Zhuang <haojian.zhuang@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [question] NR_IRQS in genirq

Hi all,

I'm using the latest kernel 2.6.37-rc1. Now I met some issues on genirq.

1. While SPARSE IRQ is enabled, nr_irqs may be larger than NR_IRQS.
But the allocated_irqs bitmap (kernel/irq/irqdesc.c) is restricted in
NR_IRQS. Is it an issue?

2. irqs_resend bitmap of kernel/irq/resend.c is also restricted in
NR_IRQS. Is it an issue, too?

Thanks
Haojian
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