[PATCH 1/2] x86/microcode/AMD: Load late on both threads too

From: Borislav Petkov
Date: Mon Jun 05 2023 - 10:15:36 EST


From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>

Do the same as early loading - load on both threads.

Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
---
arch/x86/kernel/cpu/microcode/amd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index f14f4ea0b537..87208e46f7ed 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -700,7 +700,7 @@ static enum ucode_state apply_microcode_amd(int cpu)
rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);

/* need to apply patch? */
- if (rev >= mc_amd->hdr.patch_id) {
+ if (rev > mc_amd->hdr.patch_id) {
ret = UCODE_OK;
goto out;
}
--
2.35.1