diff options
Diffstat (limited to 'arch/um/kernel/process.c')
| -rw-r--r-- | arch/um/kernel/process.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 80504680be08..80b90b1276a1 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -154,16 +154,17 @@ void fork_handler(void) userspace(¤t->thread.regs.regs, current_thread_info()->aux_fp_regs); } -int copy_thread(unsigned long clone_flags, unsigned long sp, - unsigned long 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 sp = args->stack; + unsigned long tls = args->tls; void (*handler)(void); - int kthread = current->flags & (PF_KTHREAD | PF_IO_WORKER); int ret = 0; p->thread = (struct thread_struct) INIT_THREAD; - if (!kthread) { + if (!args->fn) { memcpy(&p->thread.regs.regs, current_pt_regs(), sizeof(p->thread.regs.regs)); PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0); @@ -175,14 +176,14 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, arch_copy_thread(¤t->thread.arch, &p->thread.arch); } else { get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp); - p->thread.request.u.thread.proc = (int (*)(void *))sp; - p->thread.request.u.thread.arg = (void *)arg; + p->thread.request.u.thread.proc = args->fn; + p->thread.request.u.thread.arg = args->fn_arg; handler = new_thread_handler; } new_thread(task_stack_page(p), &p->thread.switch_buf, handler); - if (!kthread) { + if (!args->fn) { clear_flushed_tls(p); /* @@ -335,7 +336,7 @@ int singlestepping(void * t) { struct task_struct *task = t ? t : current; - if (!(task->ptrace & PT_DTRACE)) + if (!test_thread_flag(TIF_SINGLESTEP)) return 0; if (task->thread.singlestep_syscall) |