linux-kernel - Re: [PATCH 6/6] x86-64: Support for multiple MSIs

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Message-ID: <86802c440807121144s12a43a6fl6a74cbe60b270ac8@mail.gmail.com>
Date:	Sat, 12 Jul 2008 11:44:36 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Matthew Wilcox" <matthew@....cx>
Cc:	"Ingo Molnar" <mingo@...e.hu>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, grundler@...isc-linux.org,
	tglx@...utronix.de, jgarzik@...ox.com, linux-ide@...r.kernel.org,
	suresh.b.siddha@...el.com, benh@...nel.crashing.org,
	jbarnes@...tuousgeek.org, rdunlap@...otime.net,
	mtk.manpages@...il.com, ebiederm@...ssion.com,
	"Matthew Wilcox" <willy@...ux.intel.com>
Subject: Re: [PATCH 6/6] x86-64: Support for multiple MSIs

On Sat, Jul 12, 2008 at 9:30 AM, Matthew Wilcox <matthew@....cx> wrote:
> On Sat, Jul 12, 2008 at 07:54:44AM +0200, Ingo Molnar wrote:
>> hm, please implement this symmetrically on 64-bit and 32-bit as well.
>> That will need more IRQ infrastructure changes but that should be OK as
>> it will reduce the gap between the 32-bit and 64-bit side instead of
>> widening it. A good starting point would be to unify/generalize the IRQ
>> vector allocators. (and that would get most of what you need for
>> multi-vector MSI)
>
> OK, I'll look into unifying them on Monday.  Thanks for the review.
>
to make ioapic_32.c like ioapic_64.c
we should remove the irqbalance in kernel for 32bit?

YH
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