diff options
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index c06ac56eae4d..b7c003013d41 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -646,6 +646,10 @@ static void early_init_amd(struct cpuinfo_x86 *c) if (c->x86_power & BIT(12)) set_cpu_cap(c, X86_FEATURE_ACC_POWER); + /* Bit 14 indicates the Runtime Average Power Limit interface. */ + if (c->x86_power & BIT(14)) + set_cpu_cap(c, X86_FEATURE_RAPL); + #ifdef CONFIG_X86_64 set_cpu_cap(c, X86_FEATURE_SYSCALL32); #else |