Re: [PATCH v3 5/6] PCI: pnv_php: Fix surprise plug detection and recovery

Timothy Pearson
2025-07-18T00:05:22Z

----- Original Message -----
> From: "Bjorn Helgaas" <helgaas@kernel.org>
> To: "Timothy Pearson" <tpearson@raptorengineering.com>
> Cc: "linuxppc-dev" <linuxppc-dev@lists.ozlabs.org>, "linux-kernel" <linux-kernel@vger.kernel.org>, "linux-pci"
> <linux-pci@vger.kernel.org>, "Madhavan Srinivasan" <maddy@linux.ibm.com>, "Michael Ellerman" <mpe@ellerman.id.au>,
> "christophe leroy" <christophe.leroy@csgroup.eu>, "Naveen N Rao" <naveen@kernel.org>, "Bjorn Helgaas"
> <bhelgaas@google.com>, "Shawn Anastasio" <sanastasio@raptorengineering.com>
> Sent: Thursday, July 17, 2025 6:27:45 PM
> Subject: Re: [PATCH v3 5/6] PCI: pnv_php: Fix surprise plug detection and recovery

> On Tue, Jul 15, 2025 at 04:39:06PM -0500, Timothy Pearson wrote:
>> The existing PowerNV hotplug code did not handle surprise plug events
>> correctly, leading to a complete failure of the hotplug system after
>> device removal and a required reboot to detect new devices.
>
>> +++ b/drivers/pci/hotplug/pnv_php.c
>> @@ -4,12 +4,14 @@
>> *
>> * Copyright Gavin Shan, IBM Corporation 2016.
>> * Copyright (C) 2025 Raptor Engineering, LLC
>> + * Copyright (C) 2025 Raptor Computing Systems, LLC
>
> Just to double-check that you want both copyright lines here?

Yes, both entities ended up sponsoring this part of the work over time. Thank you for double checking!