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[Xen-devel] Re: x86 emulator and new isa additions
| To: | Jan Beulich <JBeulich@xxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: x86 emulator and new isa additions |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Tue, 15 Nov 2011 15:48:35 +0000 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Tue, 15 Nov 2011 07:49:22 -0800 |
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| Thread-topic: | x86 emulator and new isa additions |
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On 15/11/2011 13:53, "Jan Beulich" <JBeulich@xxxxxxxx> wrote: >> So, properly, I think the fact we already have a cpuid callback ought to be >> sufficient to implement all the cpu_has functionality that the emulator >> could want, perhaps hidden behind some helper/abstraction functions/macros. > > Which may make it necessary to add cpuid callbacks to all emulator > users (seems like only hvm currently has one). But it indeed looks like > the right route to go, so I'll look into doing so. Yes, probably. The CPUID emulation backend is similar across both PV and HVM, so there shouldn't be much per-user shimming to be done. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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