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From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Michael Kelley <mikelley@microsoft.com>
Cc: Wei Hu <weh@microsoft.com>, KY Srinivasan <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	"wei.liu@kernel.org" <wei.liu@kernel.org>,
	"robh@kernel.org" <robh@kernel.org>,
	"bhelgaas@google.com" <bhelgaas@google.com>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Dexuan Cui <decui@microsoft.com>
Subject: Re: [PATCH v3 0/2] Fix PCI HyperV device error handling
Date: Thu, 21 May 2020 18:42:10 +0100
Message-ID: <20200521174210.GB29590@e121166-lin.cambridge.arm.com> (raw)
In-Reply-To: <MW2PR2101MB1052A57E7BE9634821E29E4FD7B70@MW2PR2101MB1052.namprd21.prod.outlook.com>

On Thu, May 21, 2020 at 02:39:58AM +0000, Michael Kelley wrote:
> From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.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.

We usually send fixes at -rc* if the bug was introduced in the previous
release, at the moment this is v5.8 material not planned for such a late
-rc* (ie -rc7). We can send patches to stable and/or apply a Fixes: tag
if that can help when the commits hit mainline.

Lorenzo

      reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-07  5:01 Wei Hu
2020-05-11 11:21 ` Lorenzo Pieralisi
2020-05-21  2:39   ` Michael Kelley
2020-05-21 17:42     ` Lorenzo Pieralisi [this message]

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