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authorAl Viro <viro@zeniv.linux.org.uk>2012-11-12 20:19:03 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-04 00:16:23 +0100
commitea93a6e2e73c5a1a8d1d60098f1ca5618fd5aca1 (patch)
tree21ff73c313080dac6da07f2a5f9c5dbf5d4d983f /arch/x86/kernel
parenttake sys_rt_sigsuspend() prototype to linux/syscalls.h (diff)
downloadlinux-ea93a6e2e73c5a1a8d1d60098f1ca5618fd5aca1.tar.xz
linux-ea93a6e2e73c5a1a8d1d60098f1ca5618fd5aca1.zip
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>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/entry_64.S1
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)
SAVE_REST
FIXUP_TOP_OF_STACK %r11
call sys_execve
- RESTORE_TOP_OF_STACK %r11
movq %rax,RAX(%rsp)
RESTORE_REST
jmp int_ret_from_sys_call