diff options
Diffstat (limited to 'arch/x86/events/intel/pt.c')
| -rw-r--r-- | arch/x86/events/intel/pt.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 2e83d8d8a52b..918a43937749 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -75,14 +75,20 @@ static struct pt_cap_desc { PT_CAP(psb_periods, 1, CPUID_EBX, 0xffff0000), }; -u32 intel_pt_validate_hw_cap(enum pt_capabilities cap) +u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities capability) { - struct pt_cap_desc *cd = &pt_caps[cap]; - u32 c = pt_pmu.caps[cd->leaf * PT_CPUID_REGS_NUM + cd->reg]; + struct pt_cap_desc *cd = &pt_caps[capability]; + u32 c = caps[cd->leaf * PT_CPUID_REGS_NUM + cd->reg]; unsigned int shift = __ffs(cd->mask); return (c & cd->mask) >> shift; } +EXPORT_SYMBOL_GPL(intel_pt_validate_cap); + +u32 intel_pt_validate_hw_cap(enum pt_capabilities cap) +{ + return intel_pt_validate_cap(pt_pmu.caps, cap); +} EXPORT_SYMBOL_GPL(intel_pt_validate_hw_cap); static ssize_t pt_cap_show(struct device *cdev, |