[PATCH 2/8] arm64: pmu: Probe default hw/cache counters

ARMv8 machines can identify the micro/arch defined counters
that are available on a machine. Add all these counters to the
default armv8 perf map. At run-time disable the counters which
are not available on the given PMU.

Signed-off-by: Jeremy Linton <redacted>
---
 arch/arm64/kernel/perf_event.c | 45 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 41 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 917c3e2..e1a3bce 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c

@@ -190,13 +190,23 @@
 #define ARMV8_THUNDER_PERFCTR_L1I_CACHE_PREF_MISS		0xED