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It took sometime to realize k[mv] and k[vm] is the change :) > > Fixes: e1f288d2f9c6 ("KVM: PPC: Book3S HV nestedv2: Add support for reading VPA counters for pseries guests") Right. This commit added the registration and unregistration helpers for TRACE_EVEN_FN_COND tracepoint which mainly collects the observability stats for nested guest on pseries. > Reported-by: Madhavan Srinivasan > Signed-off-by: Kajol Jain > --- > arch/powerpc/include/asm/kvm_book3s_64.h | 4 ++-- > arch/powerpc/kvm/book3s_hv.c | 4 ++-- > arch/powerpc/kvm/trace_hv.h | 2 +- > 3 files changed, 5 insertions(+), 5 deletions(-) Not an expert in kvm area. But the change looks very straight forward to me. Searching for "kmv" string in arch/powerpc/ after applying this patch indeed resulted in zero hits. Please feel free to add - Reviewed-by: Ritesh Harjani (IBM)