Subject: Re: spin_is_locked() broken for uniprocessor?

From: David Howells <[email-masked]>
Date: Wed, 19 Aug 2009 10:38:06 +0100

Thomas Gleixner <[email-masked]> wrote:

> > which implies to me that spin_is_locked() will always return false.  Is this
> > expected behavior.
> 
> That's wrong. spin_is_locked should always return true on UP.

Surely it's not that simple?  Maybe spin_is_lock() should be undefined on UP.

David