On Thu, 10 Aug 2017 23:14:46 +1000 Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > Nicholas Piggin <npiggin@xxxxxxxxx> writes: > > > POWER9 CPUs have independent MMU contexts per thread so KVM > > does not have to bring sibling threads into real-mode when > > switching MMU mode to guest. This can simplify POWER9 sleep/wake > > paths and avoids hwsyncs. > > > > Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> > > --- > > arch/powerpc/include/asm/kvm_book3s_asm.h | 4 ++++ > > arch/powerpc/kernel/idle_book3s.S | 8 ++----- > > arch/powerpc/kvm/book3s_hv.c | 37 ++++++++++++++++++++++++++----- > > arch/powerpc/kvm/book3s_hv_rmhandlers.S | 8 +++++++ > > This will need to go via, or at least be shared with Paul's tree. > > So if it's possible, splitting it out of this series would be easier. I agree it's really a KVM patch, but patch 12 depends on this, it is a Linux patch. Not sure how you want to handle that? Thanks, Nick -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
