diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-05-12 15:43:38 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-25 08:58:31 +0200 |
| commit | 369101da7e3f6f971b7303922d2978b8483241c6 (patch) | |
| tree | 962c1824ec9a10bfd61c24cba2b152991f8e14bd /arch/x86 | |
| parent | 9831bfb201a8e00415d0f9e5b5a50d902a90b2db (diff) | |
x86: head_64.S cleanup - use predefined flags from processor-flags.h
We should better use already defined flags from processor-flags.h instead
of defining own ones
[>>> object code check >>>]
original
md5sum: 9cfa6dbf045a046bb5dfb85f8bcfe8c4 arch/x86/kernel/head_64.o
text data bss dec hex filename
37361 4432 8192 49985 c341 arch/x86/kernel/head_64.o
patched
md5sum: 9cfa6dbf045a046bb5dfb85f8bcfe8c4 arch/x86/kernel/head_64.o
text data bss dec hex filename
37361 4432 8192 49985 c341 arch/x86/kernel/head_64.o
[<<< object code check <<<]
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 10a1955bb1d1..2f59ca8bd16c 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -18,6 +18,7 @@ #include <asm/page.h> #include <asm/msr.h> #include <asm/cache.h> +#include <asm/processor-flags.h> #ifdef CONFIG_PARAVIRT #include <asm/asm-offsets.h> @@ -184,14 +185,10 @@ ENTRY(secondary_startup_64) 1: wrmsr /* Make changes effective */ /* Setup cr0 */ -#define CR0_PM 1 /* protected mode */ -#define CR0_MP (1<<1) -#define CR0_ET (1<<4) -#define CR0_NE (1<<5) -#define CR0_WP (1<<16) -#define CR0_AM (1<<18) -#define CR0_PAGING (1<<31) - movl $CR0_PM|CR0_MP|CR0_ET|CR0_NE|CR0_WP|CR0_AM|CR0_PAGING,%eax +#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, %eax /* Make changes effective */ movq %rax, %cr0 |