linux-kernel - Re: [PATCH V2] x86: io_apic: Move and reenable irq only when CONFIG_GENERIC_PENDING

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Message-ID: <20120323124525.GB21907@dhcp-26-207.brq.redhat.com>
Date:	Fri, 23 Mar 2012 13:45:26 +0100
From:	Alexander Gordeev <agordeev@...hat.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] x86: io_apic: Move and reenable irq only when
 CONFIG_GENERIC_PENDING_IRQ=y

On Fri, Mar 23, 2012 at 01:35:03PM +0100, Ingo Molnar wrote:
> 
> * Alexander Gordeev <agordeev@...hat.com> wrote:
> 
> > When CONFIG_GENERIC_PENDING_IRQ=n irq move and reenable code 
> > is never get executed, nor do_unmask_irq variable updates its 
> > init value. Move the code under CONFIG_GENERIC_PENDING_IRQ 
> > macro.
> 
> It's not clear from the changelog what it does though, and the
> #ifdefs are quite a mess. Does the patch fix some real bug? Or 
> does it remove dead code from certain .config variations?

It just removes a dead code. Can reword if it worth it.

> Thanks,
> 
> 	Ingo

-- 
Regards,
Alexander Gordeev
agordeev@...hat.com
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