linux-kernel - Re: [PATCH 1/2] vmbus: unregister device_obj->channels

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Date:   Mon, 11 Dec 2017 21:58:58 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        "olaf@...fle.de" <olaf@...fle.de>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "apw@...onical.com" <apw@...onical.com>,
        "marcelo.cerri@...onical.com" <marcelo.cerri@...onical.com>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "leann.ogasawara@...onical.com" <leann.ogasawara@...onical.com>
Subject: Re: [PATCH 1/2] vmbus: unregister device_obj->channels_kset

On Mon, Dec 11, 2017 at 08:41:44PM +0000, Dexuan Cui wrote:
> > From: devel [mailto:driverdev-devel-bounces@...uxdriverproject.org] On
> > Behalf Of Stephen Hemminger
> > Sent: Tuesday, November 28, 2017 9:30 AM
> > To: Greg KH <gregkh@...uxfoundation.org>
> > Cc: olaf@...fle.de; Stephen Hemminger <sthemmin@...rosoft.com>;
> > jasowang@...hat.com; linux-kernel@...r.kernel.org; stable@...r.kernel.org;
> > apw@...onical.com; marcelo.cerri@...onical.com;
> > devel@...uxdriverproject.org; vkuznets@...hat.com;
> > leann.ogasawara@...onical.com
> > Subject: Re: [PATCH 1/2] vmbus: unregister device_obj->channels_kset
> > 
> > On Tue, 28 Nov 2017 16:56:05 +0100
> > Greg KH <gregkh@...uxfoundation.org> wrote:
> > 
> > > On Tue, Nov 14, 2017 at 06:53:32AM -0700, kys@...hange.microsoft.com
> > wrote:
> > > > From: Dexuan Cui <decui@...rosoft.com>
> > > >
> > > > Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info")
> > > >
> > > > Without the patch, a device can't be thoroughly destroyed, because
> > > > vmbus_device_register() -> kset_create_and_add() still holds a reference
> > > > to the hv_device's device.kobj.
> > > >
> > > > Signed-off-by: Dexuan Cui <decui@...rosoft.com>
> > > > Cc: Stephen Hemminger <sthemmin@...rosoft.com>
> > > > Cc: stable@...r.kernel.org
> > >
> > > Why is this marked for stable when the patch it "fixes" is in 4.15-rc1?
> > 
> > It doesn't need to go to stable.
> 
> Hi Greg,
> May I know the status of the patch?

It's still in my "to-apply" queue.  As it's only a 4.15-final thing,
don't worry, it will get there...

thanks,

greg k-h