linux-kernel - Re: [PATCH 2/3] FRV: Permit __do

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Date:	Thu, 21 Sep 2006 14:12:14 +0100
From:	David Howells <dhowells@...hat.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Ingo Molnar <mingo@...e.hu>, David Howells <dhowells@...hat.com>,
	torvalds@...l.org, akpm@...l.org, linux-kernel@...r.kernel.org,
	uclinux-dev@...inux.org
Subject: Re: [PATCH 2/3] FRV: Permit __do_IRQ() to be dispensed with 

Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:

> It can't optimize __do_IRQ() out in any case if one uses
> generic_handle_irq() because of the test in there which can't be
> predicted at compile time.

Do you realise that powerpc still uses __do_IRQ if CONFIG_IRQSTACKS=y?  You
should probably fix that.

David
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