Series Reviewed-by: Jordan Justen <[email protected]> On 2015-03-04 22:30:00, Chen Fan wrote: > nowadays, APs are busy running when installing MP protocol in > multiple processors environment. so it whould consume much power > resource unnecessary. this patchs put APs to sleep when not procedure > to run, then via sending NMI IPI by BSP to wake up AP with hlt state. > > there is a proposal several months ago. pls see: > http://feishare.com/efimail/message/20141126-1910-_edk2_UefiCpuPkg > _CpuMp_improvement_idea_-_Put_APs_to_sleep_whennot_busy-Jordan_Justen_.html > > v2-v4: > add volatile qulifier for Parameter and Procedure in CpuData > > Chen Fan (4): > UefiCpuPkg/MpService: fix trivial typo in cpu state > UefiCpuPkg/MpService: put AP to busy state when execution > UefiCpuPkg/MpService: Put APs to sleep when not busy > UefiCpuPkg/MpSerivce: add volatile qualifiers > > UefiCpuPkg/CpuDxe/CpuMp.c | 76 > ++++++++++++++++++++++++++++++++++++++++------- > UefiCpuPkg/CpuDxe/CpuMp.h | 9 +++--- > 2 files changed, 71 insertions(+), 14 deletions(-) > > -- > 1.9.3 >
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