linux-kernel - RE: [PATCH 1/2] Drivers: hv: utils: Continue to poll VSS channel after handling requests.

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Message-ID: <DM2PR0301MB0783F375D85C6BCB3CAAEF6AA0E30@DM2PR0301MB0783.namprd03.prod.outlook.com>
Date:   Wed, 31 Aug 2016 17:57:31 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "olaf@...fle.de" <olaf@...fle.de>,
        "apw@...onical.com" <apw@...onical.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "leann.ogasawara@...onical.com" <leann.ogasawara@...onical.com>,
        "Alex Ng (LIS)" <alexng@...rosoft.com>
Subject: RE: [PATCH 1/2] Drivers: hv: utils: Continue to poll VSS channel
 after handling requests.



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Wednesday, August 31, 2016 4:16 PM
> To: KY Srinivasan <kys@...rosoft.com>
> Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org;
> olaf@...fle.de; apw@...onical.com; vkuznets@...hat.com;
> jasowang@...hat.com; leann.ogasawara@...onical.com; Alex Ng (LIS)
> <alexng@...rosoft.com>
> Subject: Re: [PATCH 1/2] Drivers: hv: utils: Continue to poll VSS channel after
> handling requests.
> 
> On Thu, Aug 18, 2016 at 11:16:54AM -0700, kys@...hange.microsoft.com
> wrote:
> > From: Alex Ng <alexng@...rosoft.com>
> >
> > Multiple VSS_OP_HOT_BACKUP requests may arrive in quick succession, even
> > though the host only signals once. The driver wass handling the first
> > request while ignoring the others in the ring buffer. We should poll the
> > VSS channel after handling a request to continue processing other requests.
> >
> > Signed-off-by: Alex Ng <alexng@...rosoft.com>
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> > ---
> >  drivers/hv/hv_snapshot.c |   89 +++++++++++++++++++++------------------------
> >  1 files changed, 42 insertions(+), 47 deletions(-)
> 
> Also doesn't apply, please fix up and resend this series.

Will do.

K. Y
> 
> thanks,
> 
> greg k-h