Messages in this thread Patch in this message | | | Date | Fri, 30 Nov 2012 16:26:19 -0800 | From | tip-bot for Fenghua Yu <> | Subject | [tip:x86/microcode] x86/head_32.S: Early update ucode in 32-bit |
| |
Commit-ID: eadd948a43145b54b2da8ee4d83774ac2aa6ee02 Gitweb: http://git.kernel.org/tip/eadd948a43145b54b2da8ee4d83774ac2aa6ee02 Author: Fenghua Yu <fenghua.yu@intel.com> AuthorDate: Thu, 29 Nov 2012 17:47:44 -0800 Committer: H. Peter Anvin <hpa@linux.intel.com> CommitDate: Fri, 30 Nov 2012 15:18:16 -0800
x86/head_32.S: Early update ucode in 32-bit
This updates ucode in 32-bit kernel. At this point, there is no paging and no virtual address yet.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Link: http://lkml.kernel.org/r/1354240068-9821-7-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> --- arch/x86/kernel/head_32.S | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 957a47a..b7b76a4 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -144,6 +144,12 @@ ENTRY(startup_32) movl %eax, pa(olpc_ofw_pgd) #endif +#ifdef CONFIG_MICROCODE_EARLY + /* Early load ucode on BSP. */ + movl $pa(boot_params), %eax + call load_ucode_bsp +#endif + /* * Initialize page tables. This creates a PDE and a set of page * tables, which are located immediately beyond __brk_base. The variable
| |