From: Borislav Petkov (AMD) <bp@alien8.de>
Date: Tue, 2 May 2023 17:53:50 +0000 (+0200)
Subject: x86/microcode/AMD: Load late on both threads too
X-Git-Tag: v6.3.11~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c6808c3be201d39fbd6794718c9181fceebc1ea;p=thirdparty%2Fkernel%2Fstable.git

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

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>
---

diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 9eb457b103413..cedecba551630 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -705,7 +705,7 @@ 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;
 	}