On Wed, 18 Oct 2006, Matthew Wilcox wrote: > On Wed, Oct 18, 2006 at 10:38:20AM -0400, Alan Stern wrote: > > You have to do _something_, because a user task could be about to read the > > configuration space at the exact moment you want to start the BIST. That > > means ipr would have to wait until the user access is finished, which > > means it has to be prepared to sleep one way or another. > > Actually, it only has to spin until the user has finished accessing > config space. See the patch I just posted. I stand corrected. Don't you want the user process to wait in TASK_INTERRUPTIBLE? It would require only a very simple change. Alan Stern