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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2016-07-13 17:16:18 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-14 09:34:35 +0200 |
| commit | 77c34ef1c3194bfac65883af75baf7dec9fa0d77 (patch) | |
| tree | f2c56d255b7047402f9e67cba6901df3f91f51ef /include/linux/cpuhotplug.h | |
| parent | f07048270423622a2428a9b90929c76e92777caa (diff) | |
| download | lwn-77c34ef1c3194bfac65883af75baf7dec9fa0d77.tar.gz lwn-77c34ef1c3194bfac65883af75baf7dec9fa0d77.zip | |
perf/x86/intel/cstate: Convert Intel CSTATE to hotplug state machine
Install the callbacks via the state machine and let the core invoke
the callbacks on the already online CPUs.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: kbuild test robot <fengguang.wu@intel.com>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160713153334.184061086@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/cpuhotplug.h')
| -rw-r--r-- | include/linux/cpuhotplug.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index f9399eeba263..68f4495f4988 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -26,6 +26,7 @@ enum cpuhp_state { CPUHP_AP_PERF_X86_STARTING, CPUHP_AP_PERF_X86_AMD_IBS_STARTING, CPUHP_AP_PERF_X86_CQM_STARTING, + CPUHP_AP_PERF_X86_CSTATE_STARTING, CPUHP_AP_NOTIFY_STARTING, CPUHP_AP_ONLINE, CPUHP_TEARDOWN_CPU, @@ -38,6 +39,7 @@ enum cpuhp_state { CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE, CPUHP_AP_PERF_X86_RAPL_ONLINE, CPUHP_AP_PERF_X86_CQM_ONLINE, + CPUHP_AP_PERF_X86_CSTATE_ONLINE, CPUHP_AP_NOTIFY_ONLINE, CPUHP_AP_ONLINE_DYN, CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, |