On Thu, Jan 26, 2017 at 06:10:19AM +0000, Dexuan Cui wrote: > > From: Stephen Hemminger [mailto:stephen@xxxxxxxxxxxxxxxxxx] > > Sent: Wednesday, January 25, 2017 00:08 > > To: Dexuan Cui <decui@xxxxxxxxxxxxx> > > Cc: gregkh@xxxxxxxxxxxxxxxxxxx; driverdev-devel@xxxxxxxxxxxxxxxxxxxxxx; KY > > Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>; > > Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; olaf@xxxxxxxxx; Rolf > > Neugebauer <rolf.neugebauer@xxxxxxxxxx>; jasowang@xxxxxxxxxx; linux- > > kernel@xxxxxxxxxxxxxxx; apw@xxxxxxxxxxxxx > > 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 <decui@xxxxxxxxxxxxx> 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 <stable@xxxxxxxxxxxxxxx> 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 stable@xxxxxxxxxxxxxxx mailing list. thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
