x86/bugs: Restructure SRBDS mitigation

Restructure SRBDS to use select/apply functions to create consistent
vulnerability handling.

Define new AUTO mitigation for SRBDS.

Signed-off-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/20250418161721.1855190-7-david.kaplan@amd.com
This commit is contained in:
David Kaplan 2025-04-18 11:17:11 -05:00 • committed by Borislav Petkov (AMD)
commit 2178ac58e1