linux-kernel - Re: What's the status of x2APIC support in Linux kernel?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200802141206.37542.bjorn.helgaas@hp.com>
Date:	Thu, 14 Feb 2008 12:06:37 -0700
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Jike Song <albcamus@...il.com>,
	Rijndael Cosque <rijcos@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: What's the status of x2APIC support in Linux kernel?

On Friday 01 February 2008 11:08:23 am Siddha, Suresh B wrote:
> On Fri, Feb 01, 2008 at 01:17:14PM +0100, Andi Kleen wrote:
> > "Jike Song" <albcamus@...il.com> writes:
> > 
> > > On 2/1/08, Rijndael Cosque <rijcos@...il.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.

Are you adding x2apic support for both x86 and ia64, or only for x86?

Bjorn
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/