linux-kernel - RE: [PATCH v3 0/2] Fix PCI HyperV device error handling

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Message-ID: <MW2PR2101MB1052A57E7BE9634821E29E4FD7B70@MW2PR2101MB1052.namprd21.prod.outlook.com>
Date:   Thu, 21 May 2020 02:39:58 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Wei Hu <weh@...rosoft.com>
CC:     KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "robh@...nel.org" <robh@...nel.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Dexuan Cui <decui@...rosoft.com>
Subject: RE: [PATCH v3 0/2] Fix PCI HyperV device error handling

From: Lorenzo Pieralisi <lorenzo.pieralisi@....com> Sent: Monday, May 11, 2020 4:22 AM
> 
> On Thu, May 07, 2020 at 01:01:26PM +0800, Wei Hu wrote:
> > This series better handles some PCI HyperV error cases in general
> > and for kdump case. Some of review comments from previous individual
> > patch reviews, including splitting into separate patches, have already
> > been incorporated. Thanks Lorenzo Pieralisi for the review and
> > suggestions, as well as Michael Kelley's contribution to the commit
> > log.
> >
> > Thanks,
> > Wei
> >
> >
> > Wei Hu (2):
> >   PCI: hv: Fix the PCI HyperV probe failure path to release resource
> >     properly
> >   PCI: hv: Retry PCI bus D0 entry when the first attempt failed with
> >     invalid device state
> >
> >  drivers/pci/controller/pci-hyperv.c | 60 ++++++++++++++++++++++++++---
> >  1 file changed, 54 insertions(+), 6 deletions(-)
> 
> Applied to pci/hv, thanks.
> 

Lorenzo -- 

Will you be bringing these fixes into 5.7?  The main fix is the 2nd patch, but
there wasn't a clear "Fixes:" tag to add because the problem is due more to
how Hyper-V operates than a bug in a previous Linux commit.  We have a
customer experiencing the problem, so getting the fix into the main tree
sooner rather than later is helpful.

Thx,

Michael