Re: [PATCH] Lightweight userspace semaphores...

[Richard Henderson]

On Wed, Feb 27, 2002 at 10:53:11AM -0500, Hubertus Franke wrote:
> As stated above, I allocate a kernel object <kulock_t> on demand and
> hash it. This way I don't have to pin any user address. What does everybody
> think about the merit of this approach versus the pinning approach?
[...]
> In your case, can the lock be allocated at different
> virtual addresses in the various address spaces.

I think this is a relatively important feature.  It may not be
possible to use the same virtual address in different processes.

r~