if (event->attr.type != bts_pmu.type)
return -ENOENT;
- if (x86_add_exclusive(x86_lbr_exclusive_bts))
- return -EBUSY;
-
/*
* BTS leaks kernel addresses even when CPL0 tracing is
* disabled, so disallow intel_bts driver for unprivileged
!capable(CAP_SYS_ADMIN))
return -EACCES;
+ if (x86_add_exclusive(x86_lbr_exclusive_bts))
+ return -EBUSY;
+
ret = x86_reserve_hardware();
if (ret) {
x86_del_exclusive(x86_lbr_exclusive_bts);