diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-12 14:19:03 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 18:16:23 -0500 |
| commit | ea93a6e2e73c5a1a8d1d60098f1ca5618fd5aca1 (patch) | |
| tree | 21ff73c313080dac6da07f2a5f9c5dbf5d4d983f | |
| parent | 0aa0203fb43f04714004b2c4ad33b858e240555d (diff) | |
amd64: get rid of useless RESTORE_TOP_OF_STACK in stub_execve()
we are not going to return via SYSRET anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 07a7a04529bc..2f2f57ac3748 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S | |||
| @@ -886,7 +886,6 @@ ENTRY(stub_execve) | |||
| 886 | SAVE_REST | 886 | SAVE_REST |
| 887 | FIXUP_TOP_OF_STACK %r11 | 887 | FIXUP_TOP_OF_STACK %r11 |
| 888 | call sys_execve | 888 | call sys_execve |
| 889 | RESTORE_TOP_OF_STACK %r11 | ||
| 890 | movq %rax,RAX(%rsp) | 889 | movq %rax,RAX(%rsp) |
| 891 | RESTORE_REST | 890 | RESTORE_REST |
| 892 | jmp int_ret_from_sys_call | 891 | jmp int_ret_from_sys_call |