linux-kernel - Re: [PATCH] powerpc: non-GPL export for eeh_dev_check

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Message-ID: <20140805155140.2b200061@alan.etchedpixels.co.uk>
Date:	Tue, 5 Aug 2014 15:51:40 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Vishal Mansur <vmansur@...ux.vnet.ibm.com>
Cc:	gwshan@...ux.vnet.ibm.com, benh@...nel.crashing.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: non-GPL export for eeh_dev_check_failure

On Tue, 05 Aug 2014 20:12:09 +0530
Vishal Mansur <vmansur@...ux.vnet.ibm.com> wrote:

> EEH kernel services are inconsistently exported by the 
> kernel. eeh_check_failure is exported for any use, but 
> eeh_dev_check_failure is exported only for GPL use. 
> While eeh_check_failure is implemented for a specific 
> purpose to be used by services such as readl, it is 
> not suited for a purpose where caller needs eeh status. 
> This functionality is provided by eeh_dev_check_failure.
> 
> This patch relaxes the export for eeh_dev_check_failure
> to make it consistent with eeh_check_failure() and 
> usable by non-GPL modules.

The GPL covers all derivative works. Tweaking this doesn't magically
allow you to use the feature in non GPL code. Your legal department can I
am sure explain in detail further.

Alan
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