linux-kernel - Re: [question] NR

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LFD.2.00.1011241416360.2900@localhost6.localdomain6>
Date:	Wed, 24 Nov 2010 14:18:39 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Haojian Zhuang <haojian.zhuang@...il.com>
cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [question] NR_IRQS in genirq

On Wed, 24 Nov 2010, Haojian Zhuang wrote:

> 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?

Why can nr_irqs become larger? Is that a theoretical problem or did
you run into this ?

Thanks,

	tglx


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/