> -----Original Message----- > From: Stephen Hemminger [mailto:stephen@xxxxxxxxxxxxxxxxxx] > Sent: Thursday, June 29, 2017 4:31 PM > To: KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyan Yang > <haiyang@xxxxxxxxxxxxx> > Cc: devel@xxxxxxxxxxxxxxxxxxxxxx; stable@xxxxxxxxxxxxxxx; Greg KH > <greg@xxxxxxxxx> > Subject: Re: [PATCH] vmbus: re-enable tasklet > > On Thu, 22 Jun 2017 16:16:54 -0700 > Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx> wrote: > > > This problem shows up in 4.11 when netvsc driver is removed and > reloaded. > > The problem is that the channel is closed during module removal and the > > tasklet for processing responses is disabled. When module is reloaded > > the channel is reopened but the tasklet is marked as disabled. > > > > Patch for upstream is pending, but less urgent since problem doesn't > > happen with network driver in 4.12. > > > > Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx> > > --- > > drivers/hv/channel.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c > > index 321b8833fa6f..36c9ce191b74 100644 > > --- a/drivers/hv/channel.c > > +++ b/drivers/hv/channel.c > > @@ -606,6 +606,8 @@ static int vmbus_close_internal(struct > vmbus_channel *channel) > > get_order(channel->ringbuffer_pagecount * PAGE_SIZE)); > > > > out: > > + /* re-enable tasklet for use on re-open */ > > + tasklet_enable(&channel->callback_event); > > return ret; > > } > > > > Ping. > > What is the state of this patch? Why is it not queued for 4.11 stable? I will submit this shortly. K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
