Borislav Petkov (AMD) 4382d1a996 x86/cpu: Fix AMD erratum #1485 on Zen4-based CPUs
commit f454b18e07f518bcd0c05af17a2239138bff52de upstream.

Fix erratum #1485 on Zen4 parts where running with STIBP disabled can
cause an #UD exception. The performance impact of the fix is negligible.

Reported-by: René Rebe <rene@exactcode.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: René Rebe <rene@exactcode.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/D99589F4-BC5D-430B-87B2-72C20370CF57@exactcode.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-19 23:05:36 +02:00
..
2023-09-19 12:22:27 +02:00
2023-02-01 08:27:20 +01:00
2023-09-19 12:22:49 +02:00
2023-08-08 19:58:30 +02:00