Re: [PATCH 3/4] kthreads: rework kthread_stop()

From: Jon Masters
Date: Wed Feb 04 2009 - 15:46:56 EST


On Wed, 2009-02-04 at 21:34 +1030, Rusty Russell wrote:
> On Wednesday 04 February 2009 15:40:06 Eric W. Biederman wrote:
> > static struct kthread *to_kthread(struct task_struct *tsk)
> > {
> > void *stack = task_stack_page(tsk);
> > return (struct kthread *)(stack + kthread_offset);
> >
> > }
> ...
> > It would remove the test and be simple and obviously correct.
>
> Clever? Sure. Neat? Yes.
>
> But you are using a definition of obvious with which I was not previously
> familiar :)

I wonder if he knows precisely when Jon Corbet is reading his email and
gets these fantastic one-liners ready ahead of time, or if they flow
naturally by happenstance. I guess it's the latter.

Jon.


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