diff options
| author | Xu YiPing <xuyiping@hisilicon.com> | 2020-04-21 13:39:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-24 08:01:02 +0200 |
| commit | 6a0e901f9f742a99219293e994e380ee8de1237a (patch) | |
| tree | ceba0d3495ba45bc8adaaf72ff34ba11a1997a83 /arch/arm64 | |
| parent | 42d394b07ccd09907ceced8e689903c30ab3bec9 (diff) | |
arm64: perf: remove unsupported events for Cortex-A73
[ 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 05fdae70e9f6..53df84b2a07f 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] |