linux-kernel - Re: Can request_irq be called under spinlock?

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Message-ID: <4994B23D.4040806@goop.org>
Date:	Thu, 12 Feb 2009 15:35:25 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Can request_irq be called under spinlock?

Thomas Gleixner wrote:
> I dont think that proc_mkdir conventions have changed
> recently. According to git blame fs/proc/generic.c:
>
> ^1da177e (Linus Torvalds     2005-04-16 15:20:36 -0700 580)     ent = kmalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL);
>
>   

I think its new that request_irq ends up calling proc_mkdir though.  But 
its moot now anyway; I cleaned up that code, and don't call request_irq 
under spinlock any more.

    J
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