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]>