>>> On 14.03.19 at 19:11, <paul.durr...@citrix.com> wrote: > This patch introduces an implementation of the STIMER0-15_CONFIG/COUNT MSRs > and hence a the first SynIC message source. > > The new (and documented) 'stimer' viridian enlightenment group may be > specified to enable this feature. > > While in the neighbourhood, this patch adds a missing check for an > attempt to write the time reference count MSR, which should result in an > exception (but not be reported as an unimplemented MSR). > > NOTE: It is necessary for correct operation that timer expiration and > message delivery time-stamping use the same time source as the guest. > The specification is ambiguous but testing with a Windows 10 1803 > guest has shown that using the partition reference counter as a > source whilst the guest is using RDTSC and the reference tsc page > does not work correctly. Therefore the time_now() function is used. > This implements the algorithm for acquiring partition reference time > that is documented in the specifiction. > > Signed-off-by: Paul Durrant <paul.durr...@citrix.com> > Acked-by: Wei Liu <wei.l...@citrix.com>
Hypervisor parts Reviewed-by: Jan Beulich <jbeul...@suse.com> I'll get this series in once the tree is fully open again. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
