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Re: [Xen-devel] [PATCH] x86: allow NMI injection
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] x86: allow NMI injection |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Wed, 28 Feb 2007 13:15:58 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 28 Feb 2007 05:15:21 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH] x86: allow NMI injection |
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On 28/2/07 12:21, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: >> Notably this patch changes the way that a NMI handler is registered to use >> the native-like vector 2. This changes the guest interface though. Do you > > But only in a benign fashion - registering the old way is still possible, > registering through set_trap_table now works where it previously didn't. > >> really need to be able to specify a custom CS? Can you not vector to the >> flat CS and then far jump? > > I probably could, but I'm generally opposed to making assumptions about > the guest where this is unnecessary (i.e. I dislike all callback pointers > registered without selectors). Oh I see. That sounds reasonable. vcpu_op() isn't perhaps a great match but then neither is physdev_op() really. I'll have a think about which is better. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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