Commit-ID: feddc9de8bf69415da6f96eca0219186b70d145a
Gitweb: http://git.kernel.org/tip/feddc9de8bf69415da6f96eca0219186b70d145a
Author: Fenghua Yu <fenghua.yu@xxxxxxxxx>
AuthorDate: Thu, 20 Dec 2012 23:44:30 -0800
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Thu, 31 Jan 2013 13:20:24 -0800
x86/head64.c: Early update ucode in 64-bit
This updates ucode on BSP in 64-bit mode. Paging and virtual address are
working now.
Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1356075872-3054-11-git-send-email-fenghua.yu@xxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/head64.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 57334f4..3ff3570 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -26,6 +26,7 @@
#include <asm/e820.h>
#include <asm/bios_ebda.h>
#include <asm/bootparam_utils.h>
+#include <asm/microcode.h>
/*
* Manage page tables very early on.
@@ -170,6 +171,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
copy_bootdata(__va(real_mode_data));
+ /*
+ * Load microcode early on BSP.
+ */
+ load_ucode_bsp();
+
if (console_loglevel == 10)
early_printk("Kernel alive\n");
--
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