On Thu, Jan 26, 2017 at 06:10:19AM +0000, Dexuan Cui wrote: > > From: Stephen Hemminger [mailto:step...@networkplumber.org] > > Sent: Wednesday, January 25, 2017 00:08 > > To: Dexuan Cui <de...@microsoft.com> > > Cc: gre...@linuxfoundation.org; driverdev-devel@linuxdriverproject.org; KY > > Srinivasan <k...@microsoft.com>; Haiyang Zhang <haiya...@microsoft.com>; > > Stephen Hemminger <sthem...@microsoft.com>; o...@aepfle.de; Rolf > > Neugebauer <rolf.neugeba...@docker.com>; jasow...@redhat.com; linux- > > ker...@vger.kernel.org; a...@canonical.com > > Subject: Re: [PATCH] Drivers: hv: vmbus: finally fix > > hv_need_to_signal_on_read() > > > > On Tue, 24 Jan 2017 06:54:46 +0000 > > Dexuan Cui <de...@microsoft.com> wrote: > > > > > +static inline void > > > +init_cached_read_index(struct vmbus_channel *channel) > > > +{ > > > + struct hv_ring_buffer_info *rbi = &channel->inbound; > > > + > > > + rbi->cached_read_index = rbi->ring_buffer->read_index; > > > +} > > > > Looks good thanks. This should go in right away. Which versions are > > impacted? > > Should it also go to stable? > > Yes, it needs to go to stable. > I have Cc-ed <sta...@vger.kernel.org> in the patch's changelog, so it should > be > included in the stable tree automatically. > > As I checked against the kernels listed on the homapage of www.kernel.org, the > below versions are impacted: > v3.16.39 > v3.18.47 > v4.1.38 > v4.8.17 > v4.9.5 > v4.10-rc5 > > It's interesting v4.4.44 is not impacted, but actually it needs both the 2 > patches: > i.e. this patch, and the previous one: > Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in > hv_need_to_signal_on_read()")
That patch does not apply to the 4.4-stable tree, which is why it was not included there. If you feel it should be included, please provide a backport and send it to the sta...@vger.kernel.org mailing list. thanks, greg k-h _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel