linux-kernel - Re: [PATCH] xen/p2m: Export set_phys_to

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Message-ID: <5229FDCC.5000705@citrix.com>
Date:	Fri, 6 Sep 2013 17:07:40 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	<linux-kernel@...r.kernel.org>, <xen-devel@...ts.xenproject.org>,
	<boris.ostrovsky@...cle.com>
Subject: Re: [PATCH] xen/p2m: Export set_phys_to_machine.

On 06/09/13 15:00, Konrad Rzeszutek Wilk wrote:
> We have already exported 'get_phys_to_machine' and there are
> third-party drivers that depend on this other symbol. As such
> lets make this balanced and also export this symbol.

I'm not sure this is a good idea.  It isn't clear why any out of tree
driver would need to mess with the p2m (or that we would actually trust
a third party driver to do this correctly...).

Also, the general kernel policy is not to export symbols that aren't
used by something in the kernel tree itself.

David
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