Bryan Venteicher 4025433eb2 Add interface to derive a TSC frequency from the pvclock
This can later use this to determine the TSC frequency like is done with
VMware, instead of using a DELAY loop that is not always accurate in an VM.

MFC after:	1 month
2015-02-04 08:33:04 +00:00
..
2015-01-18 03:43:47 +00:00