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Re: [Xen-devel] [PATCH] x86/mce: CPU notifiers must not be registered a
| To: | Jan Beulich <JBeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] x86/mce: CPU notifiers must not be registered a second time during resume |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Fri, 18 Mar 2011 17:11:51 +0000 |
| Cc: | Jinsong Liu <jinsong.liu@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 18 Mar 2011 10:13:21 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] x86/mce: CPU notifiers must not be registered a second time during resume |
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On 18/03/2011 16:35, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:
>> if ( !early_init_done ) {
>> BUG_ON(smp_processor_id() != 0);
>> ...
>> early_init_done = 1;
>> }
>>
>> It's clearer anyway -- we're simply protecting one-time-only early-boot-time
>> initialisation stuff.
>
> What's wrong with doing the protection by passing down the
> necessary information?
Hm, yes, fair enough, I'll apply it.
-- Keir
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