> -----Original Message-----
> From: Lorenzo Pieralisi <[email protected]>
> Sent: Monday, May 11, 2020 7:21 PM
> To: Wei Hu <[email protected]>
> Cc: KY Srinivasan <[email protected]>; Haiyang Zhang
> <[email protected]>; Stephen Hemminger <[email protected]>;
> [email protected]; [email protected]; [email protected]; linux-
> [email protected]; [email protected]; linux-
> [email protected]; Dexuan Cui <[email protected]>; Michael Kelley
> <[email protected]>
> Subject: Re: [PATCH v3 2/2] PCI: hv: Retry PCI bus D0 entry when the first
> attempt failed with invalid device state
>
> On Thu, May 07, 2020 at 01:03:00PM +0800, Wei Hu wrote:
> > In the case of kdump, the PCI device was not cleanly shut down before
> > the kdump kernel starts. This causes the initial attempt of entering
> > D0 state in the kdump kernel to fail with invalid device state
> > returned from Hyper-V host.
> > When this happens, explicitly call PCI bus exit and retry to enter the
> > D0 state.
> >
> > Signed-off-by: Wei Hu <[email protected]>
> > ---
> > v2: Incorporate review comments from Michael Kelley, Dexuan Cui and
> > Bjorn Helgaas
> >
> > drivers/pci/controller/pci-hyperv.c | 40
> > +++++++++++++++++++++++++++--
> > 1 file changed, 38 insertions(+), 2 deletions(-)
>
> Subject: exceeded 80 chars and commit log needed rewording and paragraphs
> rewrapping. I did it this time but please pay attention to commit log content
> (and format).
Got it. Thanks much for correcting it for me this time!
Wei
>
> Thanks,
> Lorenzo
>
