linux-kernel - Re: [PATCH] sound: depend on ZONE

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Message-ID: <s5h6112fl2z.wl-tiwai@suse.de>
Date:	Mon, 16 Nov 2015 08:40:52 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Boaz Harrosh <boaz@...xistor.com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	linux-nvdimm@...ts.01.org, Jaroslav Kysela <perex@...ex.cz>,
	Jeff Moyer <jmoyer@...hat.com>,
	Stable Tree <stable@...r.kernel.org>
Subject: Re: [PATCH] sound: depend on ZONE_DMA

On Sun, 15 Nov 2015 11:53:11 +0100,
Boaz Harrosh wrote:
> 
> On 11/12/2015 10:38 PM, Takashi Iwai wrote:
> > On Thu, 12 Nov 2015 21:13:57 +0100,
> > Dan Williams wrote:
> >>
> >> There are several sound drivers that 'select ZONE_DMA'.  This is
> >> backwards as ZONE_DMA is an architecture capability exported to drivers.
> >> Switch the polarity of the dependency to disable these drivers when the
> >> architecture does not support ZONE_DMA.  This was discovered in the
> >> context of testing/enabling devm_memremap_pages() which depends on
> >> ZONE_DEVICE.  ZONE_DEVICE in turn depends on !ZONE_DMA.
> > 
> > Makes sense.  I applied it now, thanks.
> > 
> 
> Please add:
> CC: Stable Tree <stable@...r.kernel.org>

Sorry, too late, already merged.


Takashi
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