search for: pvrdtscp

Displaying 1 result from an estimated 1 matches for "pvrdtscp".

Did you mean: __rdtscp
2011 Jul 04
0
[PATCH] Don''t expose CPUID time leaf when not using PVRDTSCP
# HG changeset patch # User Paul Durrant <paul.durrant@citrix.com> # Date 1309796247 -3600 # Node ID 6ce0dbc6f955707bf814d62a16a2b4382d957332 # Parent 7e4404a8f5f9bc111a80f15a2bce35378b39f2f1 Don''t expose CPUID time leaf when not using PVRDTSCP Some versions of Oracle''s Solaris PV drivers make a check that the maximal Xen hypervisor CPUID leaf is <= base leaf + 2 and refuse to work if this is not the case. The addition of the time leaf makes the maximal leaf == base leaf + 3 so this patch introduces a workaround that obscures...