[PATCH v8 6/7] powerpc/perf: generic nest pmu event functions

Add set of generic nest pmu related event functions to be used by each nest pmu. Add code to setup format attribute and to register nest pmus. Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Anton Blanchard

[PATCH v8 6/7] powerpc/perf: generic nest pmu event functions

Add set of generic nest pmu related event functions to be used by each nest pmu. Add code to setup format attribute and to register nest pmus. Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Anton Blanchard Cc: Daniel Axtens Cc: Stephane Eranian Cc: Sukadev