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Date:      Sun, 19 Oct 2008 09:52:20 -0700
From:      Marcel Moolenaar <xcllnt@mac.com>
To:        Christian Kandeler <christian.kandeler@hob.de>
Cc:        freebsd-ia64@freebsd.org
Subject:   Re: Question about ia64_ap_startup()
Message-ID:  <35C58F22-E133-49AB-923E-AE858802D389@mac.com>
In-Reply-To: <200810171319.38605.christian.kandeler@hob.de>
References:  <200810171319.38605.christian.kandeler@hob.de>

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On Oct 17, 2008, at 4:19 AM, Christian Kandeler wrote:

> Hello,
>
> I've been looking at the implementation of ia64_ap_startup() and it
> seems to me that the "ap_awake++" statement has a rather obvious race
> condition. Shouldn't one of the atomic macros be used here instead?
> Or am I missing something?

No, you're not missing anything. It should use an atomic
operation.

-- 
Marcel Moolenaar
xcllnt@mac.com






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