linux-kernel - Re: [PATCH] irq: move some interrupt arch_* functions into struct irq

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Date:	Wed, 10 Mar 2010 10:15:20 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Ian Campbell <Ian.Campbell@...rix.com>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	"x86\@kernel.org" <x86@...nel.org>,
	"linuxppc-dev\@ozlabs.org" <linuxppc-dev@...abs.org>
Subject: Re: [PATCH] irq: move some interrupt arch_* functions into struct irq_chip.

Ian Campbell <Ian.Campbell@...rix.com> writes:

> On Wed, 2010-03-10 at 17:42 +0000, Eric W. Biederman wrote:
>> 
>> 
>> Ian Xen in this sense is simply not x86.  irq_cfg is not acpi or
>> ioapic or anything but x86 specific.  It has everything to do with
>> having a per cpu vector table of 256 entries and architecturally
>> receiving a vector number when an interrupt is fired.
>> 
>> It totally makes sense for Xen to do something different because
>> architecturally it has a completely different irq subsystem.
>
> OK, so that sounds like you would like the same patchset but without the
> irq_cfg renaming? or potentially with renaming to x86_blah instead (I'll
> rework to your preference).

Currently the renaming really makes it unclear what you are doing and for
some reason the description of the renaming rubbed me the wrong way.

Eric
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