linux-kernel - RE: [PATCH v3 10/12] Drivers: hv: vmbus: Clean up hv

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Date:   Sat, 31 Aug 2019 02:00:56 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Michael Kelley <mikelley@...rosoft.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
        "sashal@...nel.org" <sashal@...nel.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 10/12] Drivers: hv: vmbus: Clean up hv_sock channels by
 force upon suspend

> From: Michael Kelley <mikelley@...rosoft.com>
> Sent: Friday, August 23, 2019 1:02 PM
> 
> From: Dexuan Cui Sent: Monday, August 19, 2019 6:52 PM
> >
> > Fake RESCIND_CHANNEL messages to clean up hv_sock channels by force for
> > hibernation. There is no better method to clean up the channels since
> > some of the channels may still be referenced by the userspace apps when
> > hiberantin is triggered: in this case, the "rescind" fields of the
> 
> s/hiberantin/hibernation/

Thanks! Will fix this in v4.

> > @@ -2091,6 +2127,25 @@ static int vmbus_acpi_add(struct acpi_device
> *device)
> >
> >  static int vmbus_bus_suspend(struct device *dev)
> >  {
> > +	struct vmbus_channel *channel;
> > +
> > +	while (atomic_read(&vmbus_connection.offer_in_progress) != 0) {
> > +		/*
> > +		 * We wait here until any channel offer is currently
> > +		 * being processed.
> > +		 */
> 
> The wording of the comment is a bit off.  Maybe
> 
> 		/*
> 		 * We wait here until the completion of any channel
> 		 * offers that are currently in progress.
> 		 */

Will use the better version this in v4. 

Thanks,
-- Dexuan