[PATCH] x86/cpu: add some advanced power management bits

[Huang Rui]

Bit 11 of CPUID 8000_0007 edx is processor feedback interface.
Bit 12 of CPUID 8000_0007 edx is accumulated power.

So this patch fixes the output of cpuinfo, and add some new names to
make it more meaningful.

Reported-by: Borislav Petkov <bp@xxxxxxxxx>
Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
---
 arch/x86/kernel/cpu/powerflags.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/cpu/powerflags.c b/arch/x86/kernel/cpu/powerflags.c
index 31f0f33..1dd8294 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 */
 };
-- 
1.9.1