From: Xu YiPing xuyiping@hisilicon.com
[ Upstream commit f8ada189550984ee21f27be736042b74a7da1d68 ]
bus access read/write events are not supported in A73, based on the Cortex-A73 TRM r0p2, section 11.9 Events (pages 11-457 to 11-460).
Fixes: 5561b6c5e981 "arm64: perf: add support for Cortex-A73" Acked-by: Julien Thierry julien.thierry@arm.com Signed-off-by: Xu YiPing xuyiping@hisilicon.com Signed-off-by: Will Deacon will.deacon@arm.com Signed-off-by: Lee Jones lee.jones@linaro.org --- arch/arm64/kernel/perf_event.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 05fdae70e9f6e..53df84b2a07f4 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -262,12 +262,6 @@ static const unsigned armv8_a73_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
[C(L1D)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD, [C(L1D)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR, - - [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, - [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, - - [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, - [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, };
static const unsigned armv8_thunder_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]