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(parent: 9df52a2) | patch
x86/msr: Virtualise MSR_SPEC_CTRL.SSBD for guests to use
authorAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 13 Apr 2018 15:42:34 +0000 (15:42 +0000)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Mon, 21 May 2018 13:20:06 +0000 (14:20 +0100)
commitcd53023df952cf0084be9ee3d15a90f8837049c2
tree3dda5ed09a6b7f92f9aa91e8a974ead3786f23a7tree
parent9df52a25e0e95a0b9971aa2fc26c5c6a5cbdf4efcommit | diff
x86/msr: Virtualise MSR_SPEC_CTRL.SSBD for guests to use

Almost all infrastructure is already in place.  Update the reserved bits
calculation in guest_wrmsr(), and offer SSBD to guests by default.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
xen/arch/x86/msr.c diff | blob | blame | history
xen/include/public/arch-x86/cpufeatureset.h diff | blob | blame | history
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