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[Xen-devel][PATCH 00/02] Add HVM VMX RDTSCP support



RDTSCP is introduced in Nehalem processor on Intel platform. Like RDTSC,
RDTSCP will return the TSC value, besides, it will return the low 32bit of
TSC_AUX MSR. Currently Linux kernel will write (node_id << 12 | process_id)
into that MSR, so that when guest execs RDTSCP, it will also get processor
Information.

01/02: pvrdtscp logic modification.
02/02: Add HVM VMX RDTSCP support.

Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>
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