x86/microcode/AMD: Load late on both threads too

Origin: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit?id=113ce5ed59fc99838ec7564c37323a3b4e500cde

commit a32b0f0db3f396f1c9be2fe621e77c09ec3d8e7d upstream.

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

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/20230605141332.25948-1-bp@alien8.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Gbp-Pq: Topic bugfix/x86
Gbp-Pq: Name x86-microcode-AMD-Load-late-on-both-threads-too.patch

diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index a4c389062ba0cd122ea89509d57ae53f3d95c2b3..7a395dddf31cdc08e8fd45601e7ddec112d06dee 100644 (file)
--- 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;
        }