On Apr 23 2007 12:25, Christoph Hellwig wrote:
>On Sun, Apr 22, 2007 at 09:12:55PM -0600, Eric W. Biederman wrote:
>> 
>> This patch implements the kthread helper functions kthread_start
>> and kthread_end which make it simple to support a kernel thread
>> that may decided to exit on it's own before we request it to.
>> It is still assumed that eventually we will get around to requesting
>> that the kernel thread stop.
>
>I don't think having to parallel APIs is a good idea, people will
>get utterly confused which one to use.  Better always grab a reference
>in kthread_create and drop it in kthread_stop.  For normal thread
>no change in behaviour and only slightly more code in the slowpath.

I *am* already confused... a driver of mine does:

static __init int thkd_init(void)
{
	touch_task = kthread_run(touch_thread, Device, "thkd");
	...
}

and

static __exit void thkd_exit(void)
{
	kthread_stop(touch_task);
	/* I bet something is missing */
}

now what good would kthread_run do me?



Jan
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