x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache

Make sure resources are not improperly shared in the op cache and
cause instruction corruption this way.

Signed-off-by: Prathyushi Nangia <[email protected]>
Co-developed-by: Borislav Petkov (AMD) <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
3 files changed