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svmcleanbits
2010 Dec 15
5
[PATCH] svm: support VMCB cleanbits
Hi,
Attached patch implements the VMCB cleanbits SVM feature.
Upcoming AMD CPUs introduce them and they are basically hints
for the CPU which vmcb values can be re-used from the previous
VMRUN instruction.
Each bit represents a certain set of fields in the VMCB.
Setting a bit tells the cpu it can re-use the cached value
from the previous VMRUN.
Clearing a bit tells the cpu to reload the values