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-rw-r--r--arch/arc/kernel/process.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index 8e90052f6f05..3369f0700702 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -43,7 +43,7 @@ SYSCALL_DEFINE0(arc_gettls)
return task_thread_info(current)->thr_ptr;
}
-SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new)
+SYSCALL_DEFINE3(arc_usr_cmpxchg, int __user *, uaddr, int, expected, int, new)
{
struct pt_regs *regs = current_pt_regs();
u32 uval;
@@ -162,10 +162,11 @@ asmlinkage void ret_from_fork(void);
* | user_r25 |
* ------------------ <===== END of PAGE
*/
-int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long kthread_arg, struct task_struct *p,
- unsigned long tls)
+int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
{
+ unsigned long clone_flags = args->flags;
+ unsigned long usp = args->stack;
+ unsigned long tls = args->tls;
struct pt_regs *c_regs; /* child's pt_regs */
unsigned long *childksp; /* to unwind out of __switch_to() */
struct callee_regs *c_callee; /* child's callee regs */
@@ -191,11 +192,11 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
childksp[0] = 0; /* fp */
childksp[1] = (unsigned long)ret_from_fork; /* blink */
- if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
+ if (unlikely(args->fn)) {
memset(c_regs, 0, sizeof(struct pt_regs));
- c_callee->r13 = kthread_arg;
- c_callee->r14 = usp; /* function */
+ c_callee->r13 = (unsigned long)args->fn_arg;
+ c_callee->r14 = (unsigned long)args->fn;
return 0;
}