[PATCH v4 11/46] KVM: PPC: Book3S HV: Ensure MSR[HV] is always clear in guest MSR

Nicholas Piggin npiggin at gmail.com
Thu Apr 1 20:49:24 AEDT 2021


Excerpts from Paul Mackerras's message of March 31, 2021 2:58 pm:
> On Tue, Mar 23, 2021 at 11:02:30AM +1000, Nicholas Piggin wrote:
>> Rather than clear the HV bit from the MSR at guest entry, make it clear
>> that the hypervisor does not allow the guest to set the bit.
>> 
>> The HV clear is kept in guest entry for now, but a future patch will
>> warn if it's not present.
> 
> Will warn if it *is* present, surely?

Just making sure you were awake, definitely wasn't a copy-paste bug...

Thanks,
Nick

> 
>> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> 
> Acked-by: Paul Mackerras <paulus at ozlabs.org>
> 


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