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

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Message-ID: <20170126091650.GA31667@kroah.com>
Date:   Thu, 26 Jan 2017 10:16:50 +0100
From:   "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        "driverdev-devel@...uxdriverproject.org" 
        <driverdev-devel@...uxdriverproject.org>,
        KY Srinivasan <kys@...rosoft.com>,
        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()

On Thu, Jan 26, 2017 at 08:27:26AM +0000, Dexuan Cui wrote:
> > From: gregkh@...uxfoundation.org [mailto:gregkh@...uxfoundation.org]
> > > > > 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@...r.kernel.org mailing list.
> > > >
> > > > greg k-h
> > >
> > > Thanks! I'll do the backport after this patch goes in the mainline.
> > 
> > Why wait?
> 
> I thought a patch must first appear in Linus's tree, before it can be
> back-ported to the stable tree?

Commit a389fcfd2cb5 _IS_ in Linus's tree, it was released in the 4.7-rc1
kernel, which happened in May of 2016.

thanks,

greg k-h