From: Andi Kleen <ak@suse.de>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Adrian Bunk <bunk@stusta.de>,
discuss@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: x86_64: up to 255 or 256 CPUs?
Date: Tue, 20 Feb 2007 10:35:38 +0100 [thread overview]
Message-ID: <200702201035.38874.ak@suse.de> (raw)
In-Reply-To: <20070220004218.GO21484@holomorphy.com>
On Tuesday 20 February 2007 01:42, William Lee Irwin III wrote:
> On Tue, Feb 20, 2007 at 01:06:47AM +0100, Adrian Bunk wrote:
> > Quoting arch/x86_64/Kconfig:
> > <-- snip -->
> > ...
> > config NR_CPUS
> > int "Maximum number of CPUs (2-256)"
> > range 2 255
> > ...
> > <-- snip -->
> > cu
> > Adrian
>
> The broadcast APIC ID clashes with the 256th cpu.
Yes 255 is theory. But we don't know if it actually works anyways because
it has been never tested.
-Andi
next prev parent reply other threads:[~2007-02-20 9:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-20 0:06 x86_64: up to 255 or 256 CPUs? Adrian Bunk
2007-02-20 0:42 ` William Lee Irwin III
2007-02-20 9:35 ` Andi Kleen [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-01-11 7:01 Adrian Bunk
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200702201035.38874.ak@suse.de \
--to=ak@suse.de \
--cc=bunk@stusta.de \
--cc=discuss@x86-64.org \
--cc=linux-kernel@vger.kernel.org \
--cc=wli@holomorphy.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.