linux-kernel - Re: [PATCH 8/9] dspbridge: add map support for big buffers

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Message-ID: <AANLkTiksJpU5=NtBMDmUzVfHNsGe7REtananNDL10FX_@mail.gmail.com>
Date:	Thu, 26 Aug 2010 13:04:43 +0300
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	"Guzman Lugo, Fernando" <fernando.lugo@...com>
Cc:	"Kanigeri, Hari" <h-kanigeri2@...com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ohad@...ery.com" <ohad@...ery.com>,
	"hiroshi.doyu@...ia.com" <hiroshi.doyu@...ia.com>,
	"ameya.palande@...ia.com" <ameya.palande@...ia.com>,
	"felipe.contreras@...ia.com" <felipe.contreras@...ia.com>
Subject: Re: [PATCH 8/9] dspbridge: add map support for big buffers

On Wed, Aug 25, 2010 at 10:42 PM, Guzman Lugo, Fernando
<fernando.lugo@...com> wrote:
>> On Wed, Aug 25, 2010 at 7:00 PM, Guzman Lugo, Fernando
>> <fernando.lugo@...com> wrote:
>> >> Or the whole iovmm.c can be copied and just remove the mapping.
>> >
>> > That is the migration patches do, remove custom bridge
>> mapping and use
>> > iovmm module instead.
>>
>> You didn't get me; copy the iovmm.c code into dmm.c, and
>> remove the mapping.
>
> It sounds like double work, changing the dmm.c which will disappear.

But in the meantime the bug is still there, and there's no timeline
when it will disappear.

> Also I think what you want is only the change from array to
> Linked list.

That's what I said.

> Otherwise copying iovmm.c into dmm.c and adapting
> To how dspbridge is at this momment it will need too much changes,

Yeah, I just said that it was possible.

> It is better to think like: take memory reservation (linked list)
> Implementation from iovmm and map it to dmm.c.

I think so too.

> But I don't see the point of doing that, if dmm.c is about to
> Dissapear.

When exactly?

-- 
Felipe Contreras
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