Re: [Xen-devel] [PATCH 07/12] xen/event: Add reference counting to event channels

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Wed, Dec 14, 2011 at 02:52:00PM -0500, Daniel De Graaf wrote:
> On 12/14/2011 01:56 PM, Konrad Rzeszutek Wilk wrote:
> > On Mon, Nov 28, 2011 at 11:49:06AM -0500, Daniel De Graaf wrote:
> >> Event channels exposed to userspace by the evtchn module may be used by
> >> other modules in an asynchronous manner, which requires that reference
> >> counting be used to prevent the event channel from being closed before
> >> the signals are delivered.
> >>
> >> The reference count on new event channels defaults to -1 which indicates
> >> the event channel is not referenced outside the kernel; evtchn_get fails
> >> if called on such an event channel. The event channels made visible to
> >> userspace by evtchn have a normal reference count.
> > 
> > So I've 7 through 12 in my branch now. (7,8 and 9 are in the #linux-next
> > and the 10-12 are in the #testing).
> > 
> > The other 1-6 you have might need to be parceled out (especially the netback
> > one which usually goes through David Miller). Also I have to double-check -
> > but did somebody review those 1-6 patches?
> > 
> 
> The last review I've seen of these patches is this thread:
> 
> http://lists.xen.org/archives/html/xen-devel/2011-10/threads.html#01484
> 
> I'll post a v3 for those in a bit incorporating the comments in that
> thread; the netback one was (unofficially?) acked by David Miller. I don't

Yup. I see it now. Thx
> see which of the other patches need to be parceled out as the files they
> touch look like they are still being committed with only Xen developer
> sign-offs.
> 
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