From: Andi Kleen <ak@suse.de>
To: Tom Vier <tmv@comcast.net>
Cc: Andi Kleen <ak@suse.de>,
discuss@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: [discuss] Re: NUMA support for dual core Opteron
Date: Fri, 15 Jul 2005 20:20:45 +0200 [thread overview]
Message-ID: <20050715182044.GG15783@wotan.suse.de> (raw)
In-Reply-To: <20050715181521.GC30163@zero>
On Fri, Jul 15, 2005 at 02:15:21PM -0400, Tom Vier wrote:
> On Thu, Jul 14, 2005 at 09:09:29PM +0200, Andi Kleen wrote:
> > However with 90+W CPUs I would strongly recommend having support
> > for PowerNow! and the old style PST table doesn't support
> > dual core or SMP, so you need ACPI for that anyways.
>
> Do opterons even support powernow? The proc or sysfs control file never
> shows up on mine and the cpu flags don't list it. Then again, neither does
> my athlon64. They're all in 32bit mode.
New enough ones when the BIOS supports it too: yes. Older ones didn't.
-Andi
prev parent reply other threads:[~2005-07-15 18:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-14 17:58 yhlu
2005-07-14 18:29 ` [LinuxBIOS] " Li-Ta Lo
2005-07-14 18:48 ` [discuss] " Andi Kleen
2005-07-14 18:58 ` yhlu
2005-07-14 19:04 ` Ronald G. Minnich
2005-07-14 19:54 ` Andi Kleen
2005-07-14 18:48 ` yhlu
2005-07-14 18:52 ` [discuss] " Andi Kleen
2005-07-14 19:00 ` Ronald G. Minnich
2005-07-14 19:09 ` [discuss] " Andi Kleen
2005-07-15 2:46 ` yhlu
2005-07-15 3:05 ` Andi Kleen
2005-07-15 3:52 ` yhlu
2005-07-15 4:05 ` Andi Kleen
2005-07-15 4:14 ` yhlu
2005-07-15 14:37 ` Ronald G. Minnich
2005-07-15 18:15 ` Tom Vier
2005-07-15 18:20 ` Andi Kleen [this message]
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