Messages in this thread | | | Subject | Re: [PATCH V7 4/4 net-next] vhost: vhost TX zero-copy support | From | Shirley Ma <> | Date | Thu, 30 Jun 2011 09:05:22 -0700 |
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On Wed, 2011-06-29 at 12:13 +0300, Michael S. Tsirkin wrote: > Assuming you mean vhost_zerocopy_signal_used, here's how I would do > it: > add a kref and a completion, signal completion in kref_put > callback, when backend is set - kref_get, on cleanup, > kref_put and then wait_for_completion_interruptible. > Where's the need for another thread coming from? > > If you like, post a patch with busywait + a FIXME comment, > and I can write up a patch on top. > > (BTW, ideally the function that does the signalling should be > in core networking bits so that it's still around > even if the vhost module gets removed).
OK, I will modify the patch.
Thanks Shirley
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