linux-kernel - Re: [PATCH] UIO: only call pgprot

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Message-ID: <20081105170800.GD6382@local>
Date:	Wed, 5 Nov 2008 18:08:00 +0100
From:	"Hans J. Koch" <hjk@...utronix.de>
To:	Greg KH <gregkh@...e.de>
Cc:	"Hans J. Koch" <hjk@...utronix.de>,
	Mike Frysinger <vapier@...too.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] UIO: only call pgprot_noncached if defined

On Wed, Nov 05, 2008 at 08:33:34AM -0800, Greg KH wrote:
> On Wed, Nov 05, 2008 at 12:36:11PM +0100, Hans J. Koch wrote:
> > There seem to be archs that cannot easily implement a sensible
> > pgprot_noncached() function, so we should merge this patch. UIO doesn't
> > compile on these archs right now.
> 
> No, we should fix those arches to have that function at least NULLed
> out.  Isn't there only one, Blackfin?  Putting #ifdefs in .c files is
> not something we really want to do if at all possible.

Yep, 5 minutes after I sent the mail I regretted it. Blackfin could
easily implement an "empty" macro that just returns its parameter.

I hereby revoke my Signed-off-by, you're right.

Thanks,
Hans

> 
> thanks,
> 
> greg k-h
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