Re: [PATCH v2 6/6] pci/hotplug/pnv_php: Enable third attention indicator

From: Timothy Pearson
Date: Tue Jul 15 2025 - 17:41:59 EST


Apologies for that, I had meant to send v3 in and apparently it got dropped. I believe I have addressed the comments in the v3 I just sent in.

Thank you!

----- Original Message -----
> From: "Bjorn Helgaas" <helgaas@xxxxxxxxxx>
> To: "Timothy Pearson" <tpearson@xxxxxxxxxxxxxxxxxxxxx>
> Cc: "Krishna Kumar" <krishnak@xxxxxxxxxxxxx>, "linuxppc-dev" <linuxppc-dev@xxxxxxxxxxxxxxxx>, "linux-kernel"
> <linux-kernel@xxxxxxxxxxxxxxx>, "linux-pci" <linux-pci@xxxxxxxxxxxxxxx>, "Madhavan Srinivasan" <maddy@xxxxxxxxxxxxx>,
> "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>, "christophe leroy" <christophe.leroy@xxxxxxxxxx>, "Naveen N Rao"
> <naveen@xxxxxxxxxx>, "Bjorn Helgaas" <bhelgaas@xxxxxxxxxx>, "Shawn Anastasio" <sanastasio@xxxxxxxxxxxxxxxxxxxxx>,
> "Lukas Wunner" <lukas@xxxxxxxxx>
> Sent: Friday, July 11, 2025 4:05:10 PM
> Subject: Re: [PATCH v2 6/6] pci/hotplug/pnv_php: Enable third attention indicator

> On Fri, Jul 11, 2025 at 01:18:07PM -0500, Timothy Pearson wrote:
>> ----- Original Message -----
>> > From: "Krishna Kumar" <krishnak@xxxxxxxxxxxxx>
>> > To: "Bjorn Helgaas" <helgaas@xxxxxxxxxx>, "Timothy Pearson"
>> > <tpearson@xxxxxxxxxxxxxxxxxxxxx>
>> > Cc: "linuxppc-dev" <linuxppc-dev@xxxxxxxxxxxxxxxx>, "linux-kernel"
>> > <linux-kernel@xxxxxxxxxxxxxxx>, "linux-pci"
>> > <linux-pci@xxxxxxxxxxxxxxx>, "Madhavan Srinivasan" <maddy@xxxxxxxxxxxxx>,
>> > "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>,
>> > "christophe leroy" <christophe.leroy@xxxxxxxxxx>, "Naveen N Rao"
>> > <naveen@xxxxxxxxxx>, "Bjorn Helgaas"
>> > <bhelgaas@xxxxxxxxxx>, "Shawn Anastasio" <sanastasio@xxxxxxxxxxxxxxxxxxxxx>,
>> > "Lukas Wunner" <lukas@xxxxxxxxx>
>> > Sent: Monday, July 7, 2025 3:01:00 AM
>> > Subject: Re: [PATCH v2 6/6] pci/hotplug/pnv_php: Enable third attention
>> > indicator
>>
>> > Thanks all for the review and Thanks a bunch to Timothy for fixing the PE Freeze
>> > issue. The hotplug issues are like you fix N issue and N+1 th issue will come
>> > with new HW.
>> >
>> > We had a meeting of around 1.5 -2.0 hr with demo, code review and log review and
>> > we decided to let these fixes go ahead. I am consolidating what we discussed -
>> >
>> >
>> > 1. Let these fixes go ahead as it solves wider and much needed customer issue
>> > and its urgently needed for time being. We have verified in live demo that
>> > nothing is broken from legacy flow and
>> >
>> > PE/PHB freeze, race condition, hung, oops etc has been solved correctly.
>> > Basically it fixes below issues -
>> >
>> > root-port(phb) -> switch(having4 port)--> 2 nvme devices
>> >
>> > 1st case - only removal of EP-nvme device (surprise hotplug disables msi at root
>> > port), soft removal may work
>> > 2nd case  - If we remove switch itself (surprise hotplug disable msi at root
>> > port) .
>>
>> Just a quick follow up to see if anything else is needed from my end
>> before this merge can occur?
>
> I was waiting for a v3 to fix at least these:
>
> - Subject line style matching history in drivers/pci/hotplug/ (use
> "git log --oneline" to see it)
>
> - Broken subject line wrapping into commit log
>
> - Spelling fixes
>
> - Comment reformat to match prevailing style
>
> - Note attention indicator behavior changes in commit log
>
> - Some minor refactoring
>
> Basically everything mentioned in the responses to the original
> posting. Or was there a v3 that I missed?
>
> Bjorn