Re: [KVM-RFC PATCH 1/2] eventfd: add an explicit srcu basednotifier interface

From: Michael S. Tsirkin
Date: Thu Jun 18 2009 - 02:23:52 EST

On Wed, Jun 17, 2009 at 04:21:19PM -0700, Davide Libenzi wrote:
> The interface is just ugly IMO. You have eventfd_signal() that can sleep,
> or not, depending on the registered ->signal() function implementations.
> This is pretty bad, a lot worse than the theoretical us spent in the
> schedule_work() processing.

I agree. How about the idea of introducing eventfd_signal_from_task
which can sleep? Does this sound same?

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