Commit 1f02ab4a authored by Al Viro's avatar Al Viro

um: switch to generic kernel_thread()

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 6783eaa2
......@@ -63,8 +63,6 @@ static inline void release_thread(struct task_struct *task)
{
}
extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
extern unsigned long thread_saved_pc(struct task_struct *t);
static inline void mm_copy_segments(struct mm_struct *from_mm,
......
......@@ -69,18 +69,6 @@ unsigned long alloc_stack(int order, int atomic)
return page;
}
int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
int pid;
current->thread.request.u.thread.proc = fn;
current->thread.request.u.thread.arg = arg;
pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0,
&current->thread.regs, 0, NULL, NULL);
return pid;
}
EXPORT_SYMBOL(kernel_thread);
static inline void set_current(struct task_struct *task)
{
cpu_tasks[task_thread_info(task)->cpu] = ((struct cpu_task)
......@@ -177,7 +165,7 @@ void fork_handler(void)
}
int copy_thread(unsigned long clone_flags, unsigned long sp,
unsigned long stack_top, struct task_struct * p,
unsigned long arg, struct task_struct * p,
struct pt_regs *regs)
{
void (*handler)(void);
......@@ -198,7 +186,8 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
arch_copy_thread(&current->thread.arch, &p->thread.arch);
} else {
get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);
p->thread.request.u.thread = current->thread.request.u.thread;
p->thread.request.u.thread.proc = (int (*)(void *))sp;
p->thread.request.u.thread.arg = (void *)arg;
handler = new_thread_handler;
}
......
......@@ -13,6 +13,7 @@ endmenu
config UML_X86
def_bool y
select GENERIC_FIND_FIRST_BIT
select GENERIC_KERNEL_THREAD
config 64BIT
bool "64-bit kernel" if SUBARCH = "x86"
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment