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Re: [Xen-devel] [PATCH] Make XEN_DOMCTL_destroydomain hypercall return e
| To: | Isaku Yamahata <yamahata@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Make XEN_DOMCTL_destroydomain hypercall return error |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Thu, 09 Aug 2007 11:18:05 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 09 Aug 2007 03:15:58 -0700 |
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| In-reply-to: | <20070809100942.GD23813%yamahata@xxxxxxxxxxxxx> |
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| Thread-topic: | [Xen-devel] [PATCH] Make XEN_DOMCTL_destroydomain hypercall return error |
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On 9/8/07 11:09, "Isaku Yamahata" <yamahata@xxxxxxxxxxxxx> wrote: > Thank you for reviewing. > test_and_set_bool(d->is_dying) is used to avoid race, isn't it? > But the updated patch drops it so that it would be racy. The only caller is serailised on domctl_lock, so the test_and_set_bool() was not really necessary. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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