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From: Andi Kleen <ak@suse.de>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, fastboot@osdl.org
Subject: Re: [PATCH 2/2] x86_64: move apic init in init_IRQs
Date: Tue, 4 Oct 2005 17:24:36 +0200	[thread overview]
Message-ID: <200510041724.36535.ak@suse.de> (raw)
In-Reply-To: <m13bnh8gdo.fsf@ebiederm.dsl.xmission.com>

On Tuesday 04 October 2005 17:13, Eric W. Biederman wrote:
> All kinds of ugliness exists because we don't initialize
> the apics during init_IRQs.
> - We calibrate jiffies in non apic mode even when we are using apics.
> - We have to have special code to initialize the apics when non-smp.
> - The legacy i8259 must exist and be setup correctly, even
>   we won't use it past initialization.

Actually some setups use its timer even in ACPI mode. Do you take this into 
account?


In theory it looks reasonable, but I guess it won't work without the bogus
watchdog change. That would need to be resolved first.

-Andi

  reply	other threads:[~2005-10-04 15:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-04 15:13 [PATCH 2/2] x86_64: move apic init in init_IRQs Eric W. Biederman
2005-10-04 15:24 ` Andi Kleen [this message]
2005-10-04 15:42   ` Eric W. Biederman
2005-10-05 19:36   ` [PATCH] x86_64: move apic init in init_IRQs (take 2) Eric W. Biederman

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