diff options
| author | Alexander Antonov <alexander.antonov@linux.intel.com> | 2022-11-17 12:28:26 +0000 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-11-24 11:09:21 +0100 |
| commit | efe062705d149b20a15498cb999a9edbb8241e6f (patch) | |
| tree | de606943176a2a74e63717cd61e31df4aacab45c /arch/x86/events/intel/uncore_snbep.c | |
| parent | 6532783310e2b2f50dc13f46c49aa6546cb6e7a3 (diff) | |
perf/x86/intel/uncore: Disable I/O stacks to PMU mapping on ICX-D
Current implementation of I/O stacks to PMU mapping doesn't support ICX-D.
Detect ICX-D system to disable mapping.
Fixes: 10337e95e04c ("perf/x86/intel/uncore: Enable I/O stacks to IIO PMON mapping on ICX")
Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20221117122833.3103580-5-alexander.antonov@linux.intel.com
Diffstat (limited to 'arch/x86/events/intel/uncore_snbep.c')
| -rw-r--r-- | arch/x86/events/intel/uncore_snbep.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 0d06b56b8a33..e14b96398377 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -5226,6 +5226,11 @@ static int icx_iio_get_topology(struct intel_uncore_type *type) static int icx_iio_set_mapping(struct intel_uncore_type *type) { + /* Detect ICX-D system. This case is not supported */ + if (boot_cpu_data.x86_model == INTEL_FAM6_ICELAKE_D) { + pmu_clear_mapping_attr(type->attr_update, &icx_iio_mapping_group); + return -EPERM; + } return pmu_iio_set_mapping(type, &icx_iio_mapping_group); } |