linux-kernel - Re: Adding kmap_atomic_prot

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Date:	Fri, 24 Oct 2008 10:38:30 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Thomas Hellström <thomas@...gstengraphics.com>
Cc:	Keith Packard <keithp@...thp.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	nickpiggin@...oo.com.au, airlied@...ux.ie, dri-devel@...ts.sf.net,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	jbarnes@...tuousgeek.org, Peter Anvin <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>, yinghai@...nel.org
Subject: Re: Adding kmap_atomic_prot_pfn


* Thomas Hellström <thomas@...gstengraphics.com> wrote:

> Keith,
>
> What you actually are doing here is claiming copyright on code that 
> other people have written, and tighten the export restrictions.  
> kmap_atomic_prot_pfn() appeared long ago in drm git with identical 
> code and purpose, but with different authors, and iounmap_atomic is 
> identical to kunmap_atomic.

>> +EXPORT_SYMBOL_GPL(iomap_atomic_prot_pfn);

you want to use this facility in a binary-only driver?

	Ingo
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