From: Andi Kleen <andi@firstfloor.org>
To: Jean Delvare <jdelvare@suse.de>
Cc: Andi Kleen <andi@firstfloor.org>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
linux-pci@atrey.karlin.mff.cuni.cz,
LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>,
Tejun Heo <htejun@gmail.com>,
Tom Long Nguyen <tom.l.nguyen@intel.com>,
Randy Dunlap <rdunlap@xenotime.net>,
Jeff Garzik <jgarzik@pobox.com>
Subject: Re: PCI MSI breaks when booting with nosmp
Date: Mon, 21 Apr 2008 23:09:09 +0200 [thread overview]
Message-ID: <20080421210909.GC21028@one.firstfloor.org> (raw)
In-Reply-To: <200804212248.02986.jdelvare@suse.de>
> Both call disable_ioapic_setup(), so how can they not be the same?
See Jesse's explanation. Basically there is special code in the smp
boot up to handle 0 CPUs and it disables all APICs.
This is very old and crufty and somewhat obsolete logic,
but it is like that.
-Andi
next prev parent reply other threads:[~2008-04-21 21:03 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-17 19:40 PCI MSI breaks when booting with nosmp Jean Delvare
2008-04-17 20:08 ` Jesse Barnes
2008-04-17 20:25 ` Jean Delvare
2008-04-21 17:43 ` Jesse Barnes
2008-04-21 18:45 ` Andi Kleen
2008-04-21 19:06 ` Jesse Barnes
2008-04-21 19:35 ` Jesse Barnes
2008-04-21 19:41 ` Andi Kleen
2008-04-21 19:43 ` Pavel Machek
2008-04-21 19:44 ` Andi Kleen
2008-04-22 21:25 ` Pavel Machek
2008-04-22 23:07 ` Jesse Barnes
2008-04-21 20:20 ` Jean Delvare
2008-04-21 20:40 ` Jesse Barnes
2008-04-21 20:46 ` Andi Kleen
2008-04-21 20:48 ` Jean Delvare
2008-04-21 21:09 ` Andi Kleen [this message]
2008-04-21 21:14 ` Jesse Barnes
2008-04-22 13:27 ` Jean Delvare
2008-04-22 15:50 ` Jesse Barnes
2008-04-23 14:38 ` Jean Delvare
2008-04-23 15:12 ` Jesse Barnes
2008-04-23 18:13 ` Maciej W. Rozycki
2008-04-23 18:23 ` Jesse Barnes
2008-04-23 18:32 ` Jesse Barnes
2008-04-23 18:32 ` Jean Delvare
2008-04-23 18:38 ` Maciej W. Rozycki
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