x86/bugs: Add attack vector controls for spectre_v2

Use attack vector controls to determine if spectre_v2 mitigation is
required.

Signed-off-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250707183316.1349127-16-david.kaplan@amd.com
This commit is contained in:
David Kaplan 2025-07-07 13:33:10 -05:00 • committed by Borislav Petkov (AMD)
commit fdf99228e2