diff options
| author | Olof Johansson <olof@lixom.net> | 2013-02-09 16:41:37 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-02-09 16:41:37 -0800 |
| commit | 94c16ea6ea75f8f5de92d10a647155ccf0d05436 (patch) | |
| tree | 012d247bf686e1c49ef3ad0048b94de4970c066b /arch/x86/kernel/head_32.S | |
| parent | cf55f672c325f234d96911571a775b2e7d9cf284 (diff) | |
| parent | 88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff) | |
Merge tag 'v3.8-rc6' into next/cleanup
Linux 3.8-rc6
Diffstat (limited to 'arch/x86/kernel/head_32.S')
| -rw-r--r-- | arch/x86/kernel/head_32.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 8e7f6556028f..c8932c79e78b 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -300,6 +300,12 @@ ENTRY(startup_32_smp) leal -__PAGE_OFFSET(%ecx),%esp default_entry: +#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \ + X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \ + X86_CR0_PG) + movl $(CR0_STATE & ~X86_CR0_PG),%eax + movl %eax,%cr0 + /* * New page tables may be in 4Mbyte page mode and may * be using the global pages. @@ -364,8 +370,7 @@ default_entry: */ movl $pa(initial_page_table), %eax movl %eax,%cr3 /* set the page table pointer.. */ - movl %cr0,%eax - orl $X86_CR0_PG,%eax + movl $CR0_STATE,%eax movl %eax,%cr0 /* ..and set paging (PG) bit */ ljmp $__BOOT_CS,$1f /* Clear prefetch and normalize %eip */ 1: |