Messages in this thread Patch in this message | | | Date | Tue, 29 Mar 2016 02:16:24 -0700 | From | tip-bot for Huang Rui <> | Subject | [tip:x86/urgent] x86/cpu: Add advanced power management bits |
| |
Commit-ID: 34a4cceb78e48c75d1b48b25352a3f3b2cc2b2da Gitweb: http://git.kernel.org/tip/34a4cceb78e48c75d1b48b25352a3f3b2cc2b2da Author: Huang Rui <ray.huang@amd.com> AuthorDate: Fri, 25 Mar 2016 10:08:40 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Tue, 29 Mar 2016 11:12:11 +0200
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 <bp@alien8.de> Signed-off-by: Huang 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.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- 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 */ };
| |