diff options
author | Huang Rui <[email protected]> | 2016-03-25 10:08:40 +0800 |
---|---|---|
committer | Thomas Gleixner <[email protected]> | 2016-03-29 11:12:11 +0200 |
commit | 34a4cceb78e48c75d1b48b25352a3f3b2cc2b2da (patch) | |
tree | d23977f1495c4fbd93f4790619155e8b1f837b78 | |
parent | 5f870a3f7188065e13efafe1faeb01c136173bc4 (diff) |
x86/cpu: Add advanced power management bits
Bit 11 of CPUID 8000_0007 edx is processor feedback interface.
Bit 12 of CPUID 8000_0007 edx is accumulated power.
Print proper names in proc/cpuinfo
Reported-and-tested-by: Borislav Petkov <[email protected]>
Signed-off-by: Huang Rui <[email protected]>
Cc: Tony Li <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Fengguang Wu <[email protected]>
Cc: Sherry Hurwitz <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: "Len Brown" <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
-rw-r--r-- | arch/x86/kernel/cpu/powerflags.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/powerflags.c b/arch/x86/kernel/cpu/powerflags.c index 31f0f335ed22..1dd8294fd730 100644 --- a/arch/x86/kernel/cpu/powerflags.c +++ b/arch/x86/kernel/cpu/powerflags.c @@ -18,4 +18,6 @@ const char *const x86_power_flags[32] = { "", /* tsc invariant mapped to constant_tsc */ "cpb", /* core performance boost */ "eff_freq_ro", /* Readonly aperf/mperf */ + "proc_feedback", /* processor feedback interface */ + "acc_power", /* accumulated power mechanism */ }; |