On Wed, Jul 04, 2007 at 10:38:47AM -0400, Alan Stern wrote: > Okay, I agree that (1) can be handled without too much effort. But > doing it adds an extra test to _every_ driver's I/O pathway. Freezing > userspace does not incur all this additional overhead.
For runtime PM to work it's already necessary to have a test in that path to check if the device is suspended. I can't see how this adds any overhead to the common case. -- Matthew Garrett | [EMAIL PROTECTED] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
