linux-kernel - Re: [PATCH] x86: adjust GFP mask handling for coherent allocations

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Message-Id: <4AE5D238020000780001BD46@vpn.id2.novell.com>
Date:	Mon, 26 Oct 2009 15:45:44 +0000
From:	"Jan Beulich" <JBeulich@...ell.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Yinghai Lu" <yinghai@...nel.org>, <tglx@...utronix.de>,
	"Takashi Iwai" <tiwai@...e.de>, <linux-kernel@...r.kernel.org>,
	<jbarnes@...tuousgeek.org>, <hpa@...or.com>
Subject: Re: [PATCH] x86: adjust GFP mask handling for coherent
	 allocations

>>> Ingo Molnar <mingo@...e.hu> 26.10.09 16:22 >>>
>* Jan Beulich <JBeulich@...ell.com> wrote:
>> And any attempt to eliminate the conditional another way would just 
>> introduce a very similar conditional elsewhere; with this having a 
>> single user (and foreseeably not ever a second one) I would think this 
>> would just make the code less readable.
>
>There's 3 other current uses of DMA_BIT_MASK(24) in arch/x86 - couldnt 
>those use ISA_DMA_BIT_MASK too?

Oh, so you didn't mean me to eliminate the conditional in pci-dma.c, but
just to replace the DMA_BIT_MASK(24) here an elsewhere. Sure, I'm fine
with adding this to the patch.

Jan

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