arm64: get rid of fork/vfork/clone wrappers
[fixes from Catalin Marinas folded]
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c
index 9c77c0b..4364df8 100644
--- a/arch/arm64/kernel/sys.c
+++ b/arch/arm64/kernel/sys.c
@@ -31,14 +31,10 @@
*/
asmlinkage long sys_clone(unsigned long clone_flags, unsigned long newsp,
int __user *parent_tidptr, unsigned long tls_val,
- int __user *child_tidptr, struct pt_regs *regs)
+ int __user *child_tidptr)
{
- if (!newsp)
- newsp = regs->sp;
- /* 16-byte aligned stack mandatory on AArch64 */
- if (newsp & 15)
- return -EINVAL;
- return do_fork(clone_flags, newsp, regs, 0, parent_tidptr, child_tidptr);
+ return do_fork(clone_flags, newsp, current_pt_regs(), 0,
+ parent_tidptr, child_tidptr);
}
asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
@@ -54,7 +50,6 @@
/*
* Wrappers to pass the pt_regs argument.
*/
-#define sys_clone sys_clone_wrapper
#define sys_rt_sigreturn sys_rt_sigreturn_wrapper
#define sys_sigaltstack sys_sigaltstack_wrapper