linux-kernel - Re: [PATCH] serial: change remove NR

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Message-ID: <20080731145752.2aec5727@lxorguk.ukuu.org.uk>
Date:	Thu, 31 Jul 2008 14:57:52 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	ebiederm@...ssion.com (Eric W. Biederman)
Cc:	Yinghai Lu <yhlu.kernel@...il.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] serial: change remove NR_IRQS in 8250.c

On Thu, 31 Jul 2008 04:50:21 -0700
ebiederm@...ssion.com (Eric W. Biederman) wrote:

> > replace
> > 	[PATCH] serial: change irq_lists to use dyn_array
> > use small array with index to handle irq locking for serial port
> > hope 32 slot is enough
> 
> Could you size this array by NR_UARTS (our worst case usage)
> and place irq_no in struct irq_info?

NR_UARTS is likely to go away in time so don't get attached to it
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