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From 4232c1bb6b7ed45b96d2112e6f151cf5c9c28470 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <bp@alien8.de>
Date: Sat, 1 Nov 2014 11:01:00 +0100
Subject: [PATCH] x86, microcode, AMD: Fix early ucode loading on 32-bit

Hi guys,

please queue this for the next batch to Linus.

Thanks.
---
 arch/x86/kernel/cpu/microcode/amd_early.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/microcode/amd_early.c b/arch/x86/kernel/cpu/microcode/amd_early.c
index 617a9e284245..65bdfb598880 100644
--- a/arch/x86/kernel/cpu/microcode/amd_early.c
+++ b/arch/x86/kernel/cpu/microcode/amd_early.c
@@ -348,6 +348,7 @@ int __init save_microcode_in_initrd_amd(void)
 {
 	unsigned long cont;
 	enum ucode_state ret;
+	u8 *cont_va;
 	u32 eax;
 
 	if (!container)
@@ -355,13 +356,15 @@ int __init save_microcode_in_initrd_amd(void)
 
 #ifdef CONFIG_X86_32
 	get_bsp_sig();
-	cont = (unsigned long)container;
+	cont	= (unsigned long)container;
+	cont_va = __va(container);
 #else
 	/*
 	 * We need the physical address of the container for both bitness since
 	 * boot_params.hdr.ramdisk_image is a physical address.
 	 */
-	cont = __pa(container);
+	cont    = __pa(container);
+	cont_va = container;
 #endif
 
 	/*
@@ -372,6 +375,8 @@ int __init save_microcode_in_initrd_amd(void)
 	if (relocated_ramdisk)
 		container = (u8 *)(__va(relocated_ramdisk) +
 			     (cont - boot_params.hdr.ramdisk_image));
+	else
+		container = cont_va;
 
 	if (ucode_new_rev)
 		pr_info("microcode: updated early to new patch_level=0x%08x\n",
-- 
1.9.3