[lkml]   [2011]   [Jun]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH V7 4/4 net-next] vhost: vhost TX zero-copy support
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.


 \ /
  Last update: 2011-06-30 18:25    [W:0.043 / U:4.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site