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authorAl Viro <viro@zeniv.linux.org.uk>2012-10-26 15:15:13 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-11-28 22:36:46 -0500
commit27d892fb27f492921cfd6df15ab4153f1badbb46 (patch)
treea5097f8bfe9614ec86db50a84b538afb8399033d /arch/cris/arch-v10
parent584271bcb45b50027c8d87b51634750780c92437 (diff)
downloadlinux-27d892fb27f492921cfd6df15ab4153f1badbb46.tar.gz
cris: switch to generic fork/vfork/clone
same braindamage as on s390 - the first two arguments of clone(2) in the wrong order. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/cris/arch-v10')
-rw-r--r--arch/cris/arch-v10/kernel/process.c32
1 files changed, 4 insertions, 28 deletions
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index 1d6458287f3..520547c8b19 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -17,7 +17,7 @@
#include <arch/svinto.h>
#include <linux/init.h>
#include <arch/system.h>
-#include <asm/ptrace.h>
+#include <linux/ptrace.h>
#ifdef CONFIG_ETRAX_GPIO
void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */
@@ -95,7 +95,7 @@ asmlinkage void ret_from_kernel_thread(void);
int copy_thread(unsigned long clone_flags, unsigned long usp,
unsigned long arg,
- struct task_struct *p, struct pt_regs *regs)
+ struct task_struct *p, struct pt_regs *unused)
{
struct pt_regs *childregs = task_pt_regs(p);
struct switch_stack *swstack = ((struct switch_stack *)childregs) - 1;
@@ -115,7 +115,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.usp = 0;
return 0;
}
- *childregs = *regs; /* struct copy of pt_regs */
+ *childregs = *current_pt_regs(); /* struct copy of pt_regs */
childregs->r10 = 0; /* child returns 0 after a fork/clone */
@@ -129,7 +129,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
/* fix the user-mode stackpointer */
- p->thread.usp = usp;
+ p->thread.usp = usp ?: rdusp();
/* and the kernel-mode one */
@@ -143,30 +143,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
return 0;
}
-asmlinkage int sys_fork(void)
-{
- return do_fork(SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
-}
-
-/* if newusp is 0, we just grab the old usp */
-/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */
-asmlinkage int sys_clone(unsigned long newusp, unsigned long flags,
- int* parent_tid, int* child_tid)
-{
- if (!newusp)
- newusp = rdusp();
- return do_fork(flags, newusp, current_pt_regs(), 0, parent_tid, child_tid);
-}
-
-/* vfork is a system call in i386 because of register-pressure - maybe
- * we can remove it and handle it in libc but we put it here until then.
- */
-
-asmlinkage int sys_vfork(void)
-{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
-}
-
unsigned long get_wchan(struct task_struct *p)
{
#if 0