From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
Andi Kleen <ak@suse.de>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, ashok.raj@intel.com
Subject: Re: [patch] genapic: optimize & fix APIC mode setup
Date: Mon, 13 Nov 2006 10:58:19 -0800 [thread overview]
Message-ID: <20061113105819.E17720@unix-os.sc.intel.com> (raw)
In-Reply-To: <20061113190452.GA29109@elte.hu>; from mingo@elte.hu on Mon, Nov 13, 2006 at 08:04:52PM +0100
On Mon, Nov 13, 2006 at 08:04:52PM +0100, Ingo Molnar wrote:
> * Siddha, Suresh B <suresh.b.siddha@intel.com> wrote:
> > On Mon, Nov 13, 2006 at 07:42:56PM +0100, Ingo Molnar wrote:
> > > but i'd be fine with never going into cluster mode, instead always
> > > using physical flat mode when having more than 8 APICs (independent
> > > of the presence of CPU hotplug). On small systems, logical flat mode
> > > is what is the best-tested variant (it's also slightly faster).
> >
> > Ok.
>
> ok, that's really good. Is there any 'weird' platform that you are aware
> of that absolutely needs clustered APIC mode (because it has no physical
> delivery mode or something)?
None that I am aware of, atleast in the x86_64 world.
next prev parent reply other threads:[~2006-11-13 19:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-11 15:14 [patch] genapic: optimize & fix APIC mode setup Ingo Molnar
2006-11-11 15:20 ` Andi Kleen
2006-11-11 15:27 ` Ingo Molnar
2006-11-11 15:39 ` Ingo Molnar
2006-11-13 1:50 ` Siddha, Suresh B
2006-11-13 2:32 ` Andi Kleen
2006-11-13 8:16 ` Ingo Molnar
2006-11-13 9:08 ` Andi Kleen
2006-11-13 14:05 ` Ingo Molnar
2006-11-13 14:29 ` Andi Kleen
2006-11-13 15:04 ` Ingo Molnar
2006-11-13 16:10 ` Andi Kleen
2006-11-13 16:32 ` Ingo Molnar
2006-11-13 18:03 ` Siddha, Suresh B
2006-11-13 18:42 ` Ingo Molnar
2006-11-13 18:30 ` Siddha, Suresh B
2006-11-13 19:04 ` Ingo Molnar
2006-11-13 18:58 ` Siddha, Suresh B [this message]
2006-11-13 19:31 ` Ashok Raj
2006-11-13 19:08 ` Ingo Molnar
2006-11-13 14:14 ` Ingo Molnar
2006-11-13 8:43 ` Ingo Molnar
2006-11-13 17:34 ` Siddha, Suresh B
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