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authorAl Viro <viro@zeniv.linux.org.uk>2012-10-22 22:34:11 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-11-28 22:13:44 -0500
commit1d4b4b2994b5fc208963c0b795291f8c1f18becf (patch)
treebefe27a3e2abc333b5bd81ee7381e4c5541f543f /arch/x86/ia32
parent71613c3b871c5a9f27cc48f124251bcd3aa23be1 (diff)
downloadlinux-1d4b4b2994b5fc208963c0b795291f8c1f18becf.tar.gz
x86, um: switch to generic fork/vfork/clone
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/ia32')
-rw-r--r--arch/x86/ia32/ia32entry.S7
-rw-r--r--arch/x86/ia32/sys_ia32.c11
2 files changed, 6 insertions, 12 deletions
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 076745fc804..32e6f05ddaa 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -467,11 +467,16 @@ GLOBAL(\label)
PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
PTREGSCALL stub32_execve, compat_sys_execve, %rcx
PTREGSCALL stub32_fork, sys_fork, %rdi
- PTREGSCALL stub32_clone, sys32_clone, %rdx
PTREGSCALL stub32_vfork, sys_vfork, %rdi
PTREGSCALL stub32_iopl, sys_iopl, %rsi
ALIGN
+GLOBAL(stub32_clone)
+ leaq sys_clone(%rip),%rax
+ mov %r8, %rcx
+ jmp ia32_ptregs_common
+
+ ALIGN
ia32_ptregs_common:
popq %r11
CFI_ENDPROC
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 86d68d1c880..d0b689ba7be 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -385,17 +385,6 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
return ret;
}
-asmlinkage long sys32_clone(unsigned int clone_flags, unsigned int newsp,
- struct pt_regs *regs)
-{
- void __user *parent_tid = (void __user *)regs->dx;
- void __user *child_tid = (void __user *)regs->di;
-
- if (!newsp)
- newsp = regs->sp;
- return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
-}
-
/*
* Some system calls that need sign extended arguments. This could be
* done by a generic wrapper.