diff options
Diffstat (limited to 'arch/x86/events/intel/core.c')
| -rw-r--r-- | arch/x86/events/intel/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index a15a73788693..ecc3e34ca955 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3106,6 +3106,10 @@ static int intel_pmu_bts_config(struct perf_event *event) if (!attr->exclude_kernel) return -EOPNOTSUPP; + /* BTS is not allowed for precise events. */ + if (attr->precise_ip) + return -EOPNOTSUPP; + /* disallow bts if conflicting events are present */ if (x86_add_exclusive(x86_lbr_exclusive_lbr)) return -EBUSY; |