Re: Towards eliminating the freezer

Oliver Neukum
2007-07-24T08:19:54Z

Am Montag 23 Juli 2007 schrieb Alan Stern:
> Now here's an idea which might work.  Can we require every caller of
> device_add() to hold some existing device's semaphore?  Normally it
> would be the semaphore of the new device's parent, but it could be a
> higher ancestor.  There even could be a single "root" semaphore for
> drivers registering a top-level device with no parent.

What prevents us from having a device addition semaphore?
Adding device is not critical to performance, is it?

Regards
Oliver