linux-kernel - Re: [PATCH v2] x86: Don't allow nr_irqs > NR

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Message-ID: <20081105192622.GC23548@localhost>
Date:	Wed, 5 Nov 2008 22:26:22 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v2] x86: Don't allow nr_irqs > NR_IRQS

[Ben Hutchings - Wed, Nov 05, 2008 at 07:15:31PM +0000]
| On Wed, 2008-11-05 at 22:11 +0300, Cyrill Gorcunov wrote:
| [...]
| > Ben I didn't manage to get a look over ACPI related changes
| > (ie to find the reason why the kernel is able to reveal 5 IO-APICs
| >  now
| [...]
| 
| I was mistaken; that *isn't* a recent change.  A default RHEL 5 kernel
| (based on 2.6.18) also finds 5 IOAPICs.
| 
| Ben.
|

So, these io-apics was there for a long time :) and recent dyn-irq
tricks just bared the problem of NR_IRQS for which Yinghai already
sent a patch. Lets wait until they're merged.

		- Cyrill -
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