Date: Fri, 1 Aug 2003 14:14:45 +0100
From: Christoph Hellwig <hch@infradead.org>
To: Calum Mackay <calum.mackay@cdmnet.org>
Cc: marcelo@conectiva.com.br, calum.mackay@sun.com, mitch.dsouza@sun.com,
       hch@infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]  2.4: export the symbol "mmu_cr4_features" for XFree86 DRM kernel drivers
Message-ID: <20030801141445.A8186@infradead.org>
Mail-Followup-To: Christoph Hellwig <hch@infradead.org>,
	Calum Mackay <calum.mackay@cdmnet.org>, marcelo@conectiva.com.br,
	calum.mackay@sun.com, mitch.dsouza@sun.com,
	linux-kernel@vger.kernel.org
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In-Reply-To: <3F2A62A2.mailx3G211O2B4@cdmnet.org>; from calum.mackay@cdmnet.org on Fri, Aug 01, 2003 at 01:52:50PM +0100
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On Fri, Aug 01, 2003 at 01:52:50PM +0100, Calum Mackay wrote:
> I'd like to request comments on the appended; proposed patch for 2.4 to
> export the symbol "mmu_cr4_features".
> 
> This is needed by the XFree86 DRM kernel drivers, since Christoph's
> backport of vmap() in 2.4.22-pre7. [some] DRM kernel drivers (e.g. radeon]
> refuse to load without this fix, from 2.4.22-pre7 onwards.

Can you explain why they need it and why they magically need it
because of vmap() ?

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