diff options
| author |   Xu YiPing <xuyiping@hisilicon.com> | 2017-11-15 15:39:26 +0800 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2017-12-01 13:05:08 +0000 |
| commit | f8ada189550984ee21f27be736042b74a7da1d68 (patch) | |
| tree | adcf111f8fcd4191e29dfc7e0f14c0498a1a16af /arch/arm64/kernel/perf_event.c | |
| parent | arm64: fpsimd: Fix failure to restore FPSIMD state after signals (diff) | |
| download | linux-dev-f8ada189550984ee21f27be736042b74a7da1d68.tar.xz linux-dev-f8ada189550984ee21f27be736042b74a7da1d68.zip | |
arm64: perf: remove unsupported events for Cortex-A73
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>
Diffstat (limited to '')
| -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 9eaef51f83ff..3affca3dd96a 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] |