Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Add interface to derive a TSC frequency from the pvclockThis can later use this to determine the TSC frequency like is done withVMware, instead of using a DELAY loop that is not always accurate in an VM.MFC after: 1 month
Generalized parts of the XEN timer code into a generic pvclockKVM clock shares the same data structures between the guest and the hostas Xen so it makes sense to just have a single copy of this code.Differential Revision: https://reviews.freebsd.org/D1429Reviewed by: royger (eariler version)MFC after: 1 month