Date: Fri, 1 Feb 2008 10:08:23 -0800
From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Jike Song <albcamus@gmail.com>, Rijndael Cosque <rijcos@gmail.com>,
       linux-kernel@vger.kernel.org
Subject: Re: What's the status of x2APIC support in Linux kernel?
Message-ID: <20080201180822.GA376@linux-os.sc.intel.com>
References: <26e10850802010043m7375a110t6428d637ed1872bc@mail.gmail.com> <df9815e70802010053n4565397dofd847373df522e5c@mail.gmail.com> <p73fxwc50s5.fsf@bingen.suse.de>
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On Fri, Feb 01, 2008 at 01:17:14PM +0100, Andi Kleen wrote:
> "Jike Song" <albcamus@gmail.com> writes:
> 
> > On 2/1/08, Rijndael Cosque <rijcos@gmail.com> wrote:
> >> Hi all,
> >>
> >> I found the x2APIC spec via http://www.intel.com/products/processor/manuals/.
> >>
> >> Looks at present there is no x2APIC support in Linux kernel 2.6.24?
> >>
> >> Is there any experimental patch available for Linux kernel? -- I
> >> googled "x2APIC Linux";  looks no patch for now?
> 
> There are right no CPUs shipping which implement x2apic.

That's correct. None of the released CPU's support it.

I am working on a patch enabling these future x2apic extensions and the plan 
is to post this kernel patch shortly.

thanks,
suresh
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