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]
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