linux-kernel - Re: [RFC PATCH 09/33] Add start-of-day setup hooks to subarch

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Date:	Thu, 20 Jul 2006 13:10:11 +0100
From:	Keir Fraser <Keir.Fraser@...cam.ac.uk>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Ian Pratt <ian.pratt@...source.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	virtualization@...ts.osdl.org, Chris Wright <chrisw@...s-sol.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [RFC PATCH 09/33] Add start-of-day setup hooks to subarch


On 20 Jul 2006, at 07:07, Adrian Bunk wrote:

>> +struct start_info *xen_start_info;
>> +EXPORT_SYMBOL(xen_start_info);
>
> EXPORT_SYMBOL_GPL?

Possibly.

>> +/*
>> + * Point at the empty zero page to start with. We map the real 
>> shared_info
>> + * page as soon as fixmap is up and running.
>> + */
>> +struct shared_info *HYPERVISOR_shared_info = (struct shared_info 
>> *)empty_zero_page;
>> +EXPORT_SYMBOL(HYPERVISOR_shared_info);
>> ...
>
> EXPORT_SYMBOL_GPL?

Interrupt-control macros (local_irq_enable/disable and friends) used 
this symbol, so GPLing it made non-GPL modules fail. We made a bunch of 
the macros proper functions so this may no longer be the case.

  -- Keir

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