>> This 'if' is technically redundant but you mention a future patch warning >> on !(msr & MSR_ME) so I'm holding off on any judgement about the 'if' until >> I get to that patch :) > > That's true. The warning is actually further down when we're setting up > the msr to run in guest mode. At this point the MSR I think comes from > qemu (and arguably the guest setup code shouldn't need to know about HV > specific MSR bits) so a warning here wouldn't be appropriate. > > I could remove the if, although the compiler might already do that. Yes, I think the compiler is almost certainly going to remove that. I'd probably not include the 'if' statement even though it probably gets removed by the compiler but I think that's more a matter of taste than anything else. Kind regards, Daniel > >> >> The patch seems sane to me, I agree that we don't want guests running with >> MSR_ME=0 and kvmppc_set_msr_hv already ensures that the transactional state is >> sane so this is another sanity-enforcement in the same sort of vein. >> >> All up: >> Reviewed-by: Daniel Axtens <dja@xxxxxxxxxx> > > Thanks, > Nick
