> From: Andrew Cooper [mailto:andrew.coop...@citrix.com]
> Sent: Wednesday, January 04, 2017 8:39 PM
> 
> Reuse the logic in hvm_cr4_guest_valid_bits() instead of duplicating it.
> 
> This fixes a bug to do with the handling of X86_CR4_PCE.  The RDPMC
> instruction predate the architectural performance feature, and has been around
> since the P6.  X86_CR4_PCE is like X86_CR4_TSD and only controls whether RDPMC
> is available at cpl!=0, not whether RDPMC is generally unavailable.
> 
> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>

Acked-by: Kevin Tian <kevin.t...@intel.com>

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