linux-kernel - Re: [patch 00/26] x64, x2apic/intr-remap: Interrupt-remapping and x2apic support

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Message-ID: <4876887E.3080204@linux.intel.com>
Date:	Thu, 10 Jul 2008 15:09:02 -0700
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Suresh Siddha <suresh.b.siddha@...el.com>, mingo@...e.hu,
	hpa@...or.com, tglx@...utronix.de, akpm@...ux-foundation.org,
	andi@...stfloor.org, jbarnes@...tuousgeek.org, steiner@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 00/26] x64, x2apic/intr-remap: Interrupt-remapping and
 x2apic support

Eric W. Biederman wrote:
> A lot of your code is generic, and some of it is for just x86_64.  Since the
> cpus are capable of running in 32bit mode.  We really need to implement x86_32
> and x86_64 support in the same code base.  Which I believe means factoring out
> pieces of io_apic_N.c into things such as msi.c that can be shared between the
> two architectures.

in general the purpose of this is to support 256 and more logical threads....
.... not going to happen on 32 bit

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