Commit 34a4cceb authored by Huang Rui's avatar Huang Rui Committed by Thomas Gleixner

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: default avatarBorislav Petkov <bp@alien8.de>
Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Cc: Tony Li <tony.li@amd.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Sherry Hurwitz <sherry.hurwitz@amd.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: "Len Brown" <lenb@kernel.org>
Link: http://lkml.kernel.org/r/1458871720-3209-1-git-send-email-ray.huang@amd.comSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 5f870a3f
...@@ -18,4 +18,6 @@ const char *const x86_power_flags[32] = { ...@@ -18,4 +18,6 @@ const char *const x86_power_flags[32] = {
"", /* tsc invariant mapped to constant_tsc */ "", /* tsc invariant mapped to constant_tsc */
"cpb", /* core performance boost */ "cpb", /* core performance boost */
"eff_freq_ro", /* Readonly aperf/mperf */ "eff_freq_ro", /* Readonly aperf/mperf */
"proc_feedback", /* processor feedback interface */
"acc_power", /* accumulated power mechanism */
}; };
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment