Re: [PATCH 3/8] powerpc/pseries/eeh: Export eeh_unfreeze_pe() and eeh_ops

From: Timothy Pearson
Date: Wed Jun 18 2025 - 12:56:10 EST




----- Original Message -----
> From: "Timothy Pearson" <tpearson@xxxxxxxxxxxxxxxxxxxxxxxx>
> To: "Christoph Hellwig" <hch@xxxxxxxxxxxxx>
> 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>
> Sent: Wednesday, June 18, 2025 11:10:02 AM
> Subject: Re: [PATCH 3/8] powerpc/pseries/eeh: Export eeh_unfreeze_pe() and eeh_ops

> ----- Original Message -----
>> From: "Christoph Hellwig" <hch@xxxxxxxxxxxxx>
>> To: "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>
>> Sent: Wednesday, June 18, 2025 12:38:56 AM
>> Subject: Re: [PATCH 3/8] powerpc/pseries/eeh: Export eeh_unfreeze_pe() and
>> eeh_ops
>
>> On Tue, Jun 17, 2025 at 11:22:39PM -0500, Timothy Pearson wrote:
>>> /* Platform dependent EEH operations */
>>> struct eeh_ops *eeh_ops = NULL;
>>> +EXPORT_SYMBOL(eeh_ops);
>>
>> Exporting ops vectors is generally a really bad idea. Please build a
>> proper abstraction instead.
>>
>> And use EXPORT_SYMBOL_GPL for any kind of low-level API.
>
> Fair enough. I'll add a properly exported method for PE get_state() and update
> the series in the next couple of days.

Somehow I completely missed eeh_pe_get_state() the first time around. I don't need to change the API, v2 incoming now.