> -----Original Message----- > From: Rolf Neugebauer [mailto:rolf.neugebauer@xxxxxxxxxx] > Sent: Tuesday, February 7, 2017 3:19 AM > To: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Dexuan Cui <decui@xxxxxxxxxxxxx>; Haiyang Zhang > <haiyangz@xxxxxxxxxxxxx>; KY Srinivasan <kys@xxxxxxxxxxxxx>; > stable@xxxxxxxxxxxxxxx; Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; > Rolf Neugebauer <rolf.neugebauer@xxxxxxxxxx> > Subject: Re: FAILED: patch "[PATCH] Drivers: hv: vmbus: finally fix > hv_need_to_signal_on_read()" failed to apply to 4.9-stable tree > > On Tue, Feb 7, 2017 at 10:52 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > wrote: > > On Tue, Feb 07, 2017 at 10:28:33AM +0000, Rolf Neugebauer wrote: > >> For this patch to apply, we also cherry-pick: > >> 085b322dfe10 ("Drivers: hv: vmbus: Base host signaling strictly on the > >> ring state") > >> 78777547745d ("Drivers: hv: vmbus: On write cleanup the logic to > >> interrupt the host") > >> 983afbbd6d06 ("Drivers: hv: vmbus: On the read path cleanup the logic > >> to interrupt the host") > >> > >> With these patches cherry-picked the patch applies cleanly and fixes > >> the original issue we have reported. Our kernel 4.9.8 tree with > >> patches applied is at > >> > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub > .com%2Frneugeba%2Flinux-stable%2Ftree%2Fv4.9.8- > moby&data=02%7C01%7Ckys%40microsoft.com%7Cbbfaa924efe04731a4a70 > 8d44f4b20a1%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C6362206 > 31463506742&sdata=XT7frhEFMIdzBTud9JQlqwye0yMUMccpDsV%2Fmak3W > 0I%3D&reserved=0 > > > > That's a lot of changes. KY and Stephen, is that ok for me to take all > > of these? > > I think all these patches address issues around VMBus stability where > the Hyper-V would occasionally deem the VM to mount a DoS attack and > then pause it. But I'll let KY and Stephen comment as well. > > FWIW, I've stress tested these patches on several Windows builds for a > few days and we have been shipping them in Docker for Windows (stable > and beta) for a couple of weeks now without issues. Thanks Rolf; I agree with you. K. Y > > Rolf > > > > > thanks, > > > > greg k-h ��.n��������+%������w��{.n�����������ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f