linux-kernel - RE: [PATCH] Drivers: hv: vmbus: finally fix hv_need_to_signal_on

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Message-ID: <DM5PR03MB249062837461938E2D4DC8CFA0770@DM5PR03MB2490.namprd03.prod.outlook.com>
Date:   Thu, 26 Jan 2017 19:16:07 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Dexuan Cui <decui@...rosoft.com>
CC:     Stephen Hemminger <stephen@...workplumber.org>,
        "driverdev-devel@...uxdriverproject.org" 
        <driverdev-devel@...uxdriverproject.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "olaf@...fle.de" <olaf@...fle.de>,
        Rolf Neugebauer <rolf.neugebauer@...ker.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "apw@...onical.com" <apw@...onical.com>
Subject: RE: [PATCH] Drivers: hv: vmbus: finally fix
 hv_need_to_signal_on_read()



> -----Original Message-----
> From: gregkh@...uxfoundation.org [mailto:gregkh@...uxfoundation.org]
> Sent: Thursday, January 26, 2017 2:28 AM
> To: Dexuan Cui <decui@...rosoft.com>
> Cc: Stephen Hemminger <stephen@...workplumber.org>; driverdev-
> devel@...uxdriverproject.org; KY Srinivasan <kys@...rosoft.com>; Haiyang
> Zhang <haiyangz@...rosoft.com>; Stephen Hemminger
> <sthemmin@...rosoft.com>; olaf@...fle.de; Rolf Neugebauer
> <rolf.neugebauer@...ker.com>; jasowang@...hat.com; linux-
> kernel@...r.kernel.org; apw@...onical.com
> Subject: Re: [PATCH] Drivers: hv: vmbus: finally fix
> hv_need_to_signal_on_read()
> 
> On Thu, Jan 26, 2017 at 10:24:32AM +0000, Dexuan Cui wrote:
> > > From: gregkh@...uxfoundation.org [mailto:gregkh@...uxfoundation.org]
> > > To: Dexuan Cui <decui@...rosoft.com>
> > > >
> > > > v4.4.44 needs 2 patches, i.e. a389fcfd2cb5, and this patch (which is not
> in
> > > > Linus's tree yet).  Only backporting the first patch immediately is not
> enough
> > > > and is also improper IMO, because the first patch introduces a new
> issue,
> > > > which is being resolved by this patch. So my understanding is that I
> should
> > > > backport the 2 patches together.
> > >
> > > Ok, that makes a bit more sense, thanks.  I'll wait for your "real"
> > > patch to hit Linus's tree then.
> > >
> > > greg k-h
> >
> > Hi Greg,
> > I expect this patch (i.e. the "real" patch) would go in your char-misc tree
> first,
> > then it would be merged into Linus's tree, as we usually did.
> 
> That's fine, I'll wait for the maintainer of the subsystem to forward it
> on to me, like all other hyperv patches :)

I am putting together a set that I will be forwarding that includes this patch.

K. Y
> 
> Or, at the very least, have one of them ack it so that I can take it...
> 
> thanks,
> 
> greg k-hmu
> 
> >
> > IMO this is an important fix, but it's not so urgent that Linus would notice
> > it and pick it up directly.
> >
> > Thanks,
> > -- Dexuan