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

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Message-ID: <1728509613.1310543.1750263002144.JavaMail.zimbra@raptorengineeringinc.com>
Date: Wed, 18 Jun 2025 11:10:02 -0500 (CDT)
From: Timothy Pearson <tpearson@...torengineering.com>
To: Christoph Hellwig <hch@...radead.org>
Cc: linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>, 
	linux-kernel <linux-kernel@...r.kernel.org>, 
	linux-pci <linux-pci@...r.kernel.org>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, 
	Michael Ellerman <mpe@...erman.id.au>, 
	christophe leroy <christophe.leroy@...roup.eu>, 
	Naveen N Rao <naveen@...nel.org>, 
	Bjorn Helgaas <bhelgaas@...gle.com>, 
	Shawn Anastasio <sanastasio@...torengineering.com>
Subject: Re: [PATCH 3/8] powerpc/pseries/eeh: Export eeh_unfreeze_pe() and
 eeh_ops



----- Original Message -----
> From: "Christoph Hellwig" <hch@...radead.org>
> To: "Timothy Pearson" <tpearson@...torengineering.com>
> Cc: "linuxppc-dev" <linuxppc-dev@...ts.ozlabs.org>, "linux-kernel" <linux-kernel@...r.kernel.org>, "linux-pci"
> <linux-pci@...r.kernel.org>, "Madhavan Srinivasan" <maddy@...ux.ibm.com>, "Michael Ellerman" <mpe@...erman.id.au>,
> "christophe leroy" <christophe.leroy@...roup.eu>, "Naveen N Rao" <naveen@...nel.org>, "Bjorn Helgaas"
> <bhelgaas@...gle.com>, "Shawn Anastasio" <sanastasio@...torengineering.com>
> 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.