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[Xen-devel] Re: [PATCH] make c/s 21089 work again with c/s 21092
| To: | Jan Beulich <JBeulich@xxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [PATCH] make c/s 21089 work again with c/s 21092 |
| From: | Bastian Blank <waldi@xxxxxxxxxx> |
| Date: | Wed, 14 Apr 2010 09:15:45 +0200 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 14 Apr 2010 00:16:41 -0700 |
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On Tue, Apr 13, 2010 at 02:36:55PM +0100, Jan Beulich wrote:
> + spin_lock_irqsave(&desc->lock, flags);
Why do you lock here? The whole thing is racy anyway and this should only
battle against concurent registrations from dom0.
Bastian
--
It is a human characteristic to love little animals, especially if
they're attractive in some way.
-- McCoy, "The Trouble with Tribbles", stardate 4525.6
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