Git Repo - linux.git/commit

author	Babu Moger <[email protected]>
	Fri, 29 Jan 2021 00:43:22 +0000 (18:43 -0600)
committer	Paolo Bonzini <[email protected]>
	Mon, 15 Mar 2021 08:43:25 +0000 (04:43 -0400)
commit	f333374e108e7e4cd104591035c9e24ba050706d
tree	19ccf484cb92ee496f6a99a5b4241530b4c9d522	tree \| snapshot
parent	cc3ed80ae69f454c3d904af9f65394a540099723	commit \| diff

x86/cpufeatures: Add the Virtual SPEC_CTRL feature

Newer AMD processors have a feature to virtualize the use of the
SPEC_CTRL MSR. Presence of this feature is indicated via CPUID
function 0x8000000A_EDX[20]: GuestSpecCtrl. When present, the
SPEC_CTRL MSR is automatically virtualized.

Signed-off-by: Babu Moger <[email protected]>
Acked-by: Borislav Petkov <[email protected]>
Message-Id: <161188100272.28787.4097272856384825024.stgit@bmoger-ubuntu>
Signed-off-by: Paolo Bonzini <[email protected]>