x86/pv: handle reads to the PAT MSR
authorRoger Pau Monne <roger.pau@citrix.com>
Mon, 17 Aug 2020 15:57:53 +0000 (17:57 +0200)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 18 Aug 2020 16:34:50 +0000 (17:34 +0100)
commitba28efb242341c35da30251943c352b6e00bf425
treea484ad6c54cc7e7431f33801e76eed012b1ee553
parentfeab5bddf771f04ec5e5fbe4c704db740e8401ab
x86/pv: handle reads to the PAT MSR

The value in the PAT MSR is part of the ABI between Xen and PV guests,
and there's no reason to not allow a PV guest to read it.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
xen/arch/x86/pv/emul-priv-op.c