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From: "Mike Frysinger" <vapier.adi@gmail.com>
To: "Greg KH" <gregkh@suse.de>
Cc: "Hans J. Koch" <hjk@linutronix.de>,
	"Mike Frysinger" <vapier@gentoo.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] UIO: only call pgprot_noncached if defined
Date: Wed, 5 Nov 2008 12:33:37 -0500	[thread overview]
Message-ID: <8bd0f97a0811050933m13addb7eiddb963bfdf4d7416@mail.gmail.com> (raw)
In-Reply-To: <20081105163334.GA8473@suse.de>

On Wed, Nov 5, 2008 at 11:33, 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.

that was my question.  this function isnt documented.  if the hardware
doesnt support it, is the right thing really for the arch to lie to
drivers and not actually give back cached settings even though it
asked for non-cached ?
-mike

  parent reply	other threads:[~2008-11-05 17:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-29 17:26 Mike Frysinger
2008-10-29 20:53 ` Hans J. Koch
2008-11-05  0:06   ` Mike Frysinger
2008-11-05 11:36 ` Hans J. Koch
2008-11-05 16:33   ` Greg KH
2008-11-05 17:08     ` Hans J. Koch
2008-11-05 17:43       ` Mike Frysinger
2008-11-05 17:33     ` Mike Frysinger [this message]
2008-11-05 17:42       ` Greg KH
2008-11-05 17:55         ` Mike Frysinger
2008-11-05 18:27       ` Hans J. Koch
2008-11-05 18:36         ` Mike Frysinger

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