From: Benoit Boissinot <benoit.boissinot@ens-lyon.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: netdev@vger.kernel.org, bcm43xx-dev@lists.berlios.de,
linux-kernel@vger.kernel.org, linville@tuxdriver.com,
benh@kernel.crashing.org
Subject: Re: [RFC/PATCH] remove unneeded check in bcm43xx
Date: Mon, 10 Apr 2006 06:38:08 +0200 [thread overview]
Message-ID: <20060410043808.GP27596@ens-lyon.fr> (raw)
In-Reply-To: <200604100628.01483.mb@bu3sch.de>
On Mon, Apr 10, 2006 at 06:28:00AM +0200, Michael Buesch wrote:
> On Monday 10 April 2006 06:22, you wrote:
> > Either the ppc code is wrong (it doesn't enforce dma_mask) either the
> > driver still works without the check.
> >
> > Maybe ppc should do the same thing as i386:
> >
> > 47 if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
> > 48 gfp |= GFP_DMA;
>
> No, GFP_DMA is a NOP on PPC.
> Actually the problems seems much more complex and a correct fix
> seems to be hard to do.
> I think benh is actually fixing this.
>
> To summerize: I actually added these messages, because people were
> hitting "this does not work with >1G" issues and did not get an error message.
> So I decided to insert warnings until the issue is fixed inside the arch code.
> I will remove them once the issue is fixed.
>
Thanks for the explainations.
Benoit
--
powered by bash/screen/(urxvt/fvwm|linux-console)/gentoo/gnu/linux OS
next prev parent reply other threads:[~2006-04-10 4:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-10 4:01 [RFC/PATCH] remove unneeded check in bcm43xx Benoit Boissinot
[not found] ` <20060410040120.GA4860-vYW+cPY1g1pWj0EZb7rXcA@public.gmane.org>
2006-04-10 4:07 ` Michael Buesch
2006-04-10 4:22 ` Benoit Boissinot
[not found] ` <20060410042228.GN27596-vYW+cPY1g1pWj0EZb7rXcA@public.gmane.org>
2006-04-10 4:28 ` Michael Buesch
2006-04-10 4:38 ` Benoit Boissinot [this message]
2006-04-10 13:46 ` John W. Linville
2006-04-10 16:18 ` Arjan van de Ven
2006-04-10 22:13 ` Benoit Boissinot
2006-04-10 22:28 ` David S. Miller
2006-04-11 1:47 ` Benjamin Herrenschmidt
2006-04-11 1:46 ` Benjamin Herrenschmidt
[not found] ` <1144719972.19353.24.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2006-04-11 1:53 ` Michael Buesch
2006-04-11 2:23 ` Benoit Boissinot
2006-04-11 5:49 ` David S. Miller
[not found] ` <20060410.224933.39567033.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2006-04-11 16:05 ` Michael Buesch
2006-04-11 20:49 ` Benjamin Herrenschmidt
2006-04-11 21:34 ` David S. Miller
2006-04-11 22:20 ` Benjamin Herrenschmidt
2006-04-11 22:21 ` Benjamin Herrenschmidt
2006-04-11 22:30 ` Benoit Boissinot
[not found] ` <20060411223024.GA6543-vYW+cPY1g1pWj0EZb7rXcA@public.gmane.org>
2006-04-11 22:35 ` Benjamin Herrenschmidt
[not found] ` <1144794077.19353.53.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2006-04-11 23:04 ` Michael Buesch
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