diff options
Diffstat (limited to 'arch/arc/kernel/process.c')
| -rw-r--r-- | arch/arc/kernel/process.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index 98c00a2d4dd9..e095c557afdd 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -49,7 +49,10 @@ void arch_cpu_idle(void) asmlinkage void ret_from_fork(void); -/* Layout of Child kernel mode stack as setup at the end of this function is +/* + * Copy architecture-specific thread state + * + * Layout of Child kernel mode stack as setup at the end of this function is * * | ... | * | ... | @@ -81,7 +84,7 @@ asmlinkage void ret_from_fork(void); * ------------------ <===== END of PAGE */ int copy_thread(unsigned long clone_flags, - unsigned long usp, unsigned long arg, + unsigned long usp, unsigned long kthread_arg, struct task_struct *p) { struct pt_regs *c_regs; /* child's pt_regs */ @@ -112,7 +115,7 @@ int copy_thread(unsigned long clone_flags, if (unlikely(p->flags & PF_KTHREAD)) { memset(c_regs, 0, sizeof(struct pt_regs)); - c_callee->r13 = arg; /* argument to kernel thread */ + c_callee->r13 = kthread_arg; c_callee->r14 = usp; /* function */ return 0; @@ -155,8 +158,6 @@ int copy_thread(unsigned long clone_flags, */ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long usp) { - set_fs(USER_DS); /* user space */ - regs->sp = usp; regs->ret = pc; |