diff options
| author | gorcunov@gmail.com <gorcunov@gmail.com> | 2008-03-22 17:00:06 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 11:41:29 -0400 |
| commit | 4039ae538030d1c5fc70a9c4e168a758d35b8159 (patch) | |
| tree | e0337c119dd908a3cfba7f222c8c432ac3cd0e34 /arch/x86/kernel/relocate_kernel_32.S | |
| parent | 15a601eb9cdc2a9cc69d5fc745317805a85c064c (diff) | |
x86: relocate_kernel_32.S - clear register in more elegant way
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/relocate_kernel_32.S')
| -rw-r--r-- | arch/x86/kernel/relocate_kernel_32.S | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/relocate_kernel_32.S b/arch/x86/kernel/relocate_kernel_32.S index ec4e6a0e0c2e..fbc4fad23137 100644 --- a/arch/x86/kernel/relocate_kernel_32.S +++ b/arch/x86/kernel/relocate_kernel_32.S | |||
| @@ -185,8 +185,7 @@ identity_mapped: | |||
| 185 | /* Set cr4 to a known state: | 185 | /* Set cr4 to a known state: |
| 186 | * Setting everything to zero seems safe. | 186 | * Setting everything to zero seems safe. |
| 187 | */ | 187 | */ |
| 188 | movl %cr4, %eax | 188 | xorl %eax, %eax |
| 189 | andl $0, %eax | ||
| 190 | movl %eax, %cr4 | 189 | movl %eax, %cr4 |
| 191 | 190 | ||
| 192 | jmp 1f | 191 | jmp 1f |