diff options
| author | Vikas Shivappa <vikas.shivappa@linux.intel.com> | 2017-07-25 14:14:43 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-08-01 22:41:28 +0200 |
| commit | 748b6b881ccdda8f0663c68605f431279e06f49a (patch) | |
| tree | 57480342052d0f96215581be325b3d42fd6a7b83 /net/ceph/armor.c | |
| parent | 4be6c078428b08d1a948cc09faca8f1326231866 (diff) | |
x86/intel_rdt/cqm: Add sched_in support
OS associates an RMID/CLOSid to a task by writing the per CPU
IA32_PQR_ASSOC MSR when a task is scheduled in.
The sched_in code will stay as no-op unless we are running on Intel SKU
which supports either resource control or monitoring and we also enable
them by mounting the resctrl fs. The per cpu CLOSid/RMID values are
cached and the write is performed only when a task with a different
CLOSid/RMID is scheduled in.
Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: peterz@infradead.org
Cc: eranian@google.com
Cc: vikas.shivappa@intel.com
Cc: ak@linux.intel.com
Cc: davidcc@google.com
Cc: reinette.chatre@intel.com
Link: http://lkml.kernel.org/r/1501017287-28083-25-git-send-email-vikas.shivappa@linux.intel.com
Diffstat (limited to 'net/ceph/armor.c')
0 files changed, 0 insertions, 0 deletions