Re: [PATCH 5/6] KVM: PPC: BOOKE: Allow guest to change MSR_DE

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On Fri, 2014-07-11 at 14:09 +0530, Bharat Bhushan wrote:
> When userspace is debugging guest then MSR_DE is always set and
> MSRP_DEP is set so that guest cannot change MSR_DE.
> Guest debug resources are not yet emulated, So there seems no reason
> we should stop guest controlling MSR_DE.
> Also a followup patch will enable debug emulation and that requires
> guest to control MSR_DE.

Why does it matter whether we emulate debug resources?  We still don't
want the guest to be able to clear MSR[DE] and thus break host debug.

-Scott


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