xtensa: switch to generic clone()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 0d1f36a..2481f26 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -16,6 +16,7 @@
select GENERIC_KERNEL_THREAD
select GENERIC_KERNEL_EXECVE
select ARCH_WANT_OPTIONAL_GPIOLIB
+ select CLONE_BACKWARDS
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index 4e27d76..b00c928 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -10,7 +10,6 @@
struct pt_regs;
struct sigaction;
-asmlinkage long xtensa_clone(unsigned long, unsigned long, struct pt_regs*);
asmlinkage long xtensa_ptrace(long, long, long, long);
asmlinkage long xtensa_sigreturn(struct pt_regs*);
asmlinkage long xtensa_rt_sigreturn(struct pt_regs*);
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index f4e6eaa..e002dbc 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -2,6 +2,7 @@
#define _XTENSA_UNISTD_H
#define __ARCH_WANT_SYS_EXECVE
+#define __ARCH_WANT_SYS_CLONE
#include <uapi/asm/unistd.h>
/*
diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
index 9f36d0e..5162418 100644
--- a/arch/xtensa/include/uapi/asm/unistd.h
+++ b/arch/xtensa/include/uapi/asm/unistd.h
@@ -260,7 +260,7 @@
/* Process Operations */
#define __NR_clone 116
-__SYSCALL(116, xtensa_clone, 5)
+__SYSCALL(116, sys_clone, 5)
#define __NR_execve 117
__SYSCALL(117, sys_execve, 3)
#define __NR_exit 118
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 09ae7bf..0036c14 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -364,12 +364,3 @@
{
return 0;
}
-
-asmlinkage
-long xtensa_clone(unsigned long clone_flags, unsigned long newsp,
- void __user *parent_tid, void *child_tls,
- void __user *child_tid, long a5,
- struct pt_regs *regs)
-{
- return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
-}