From: "Guzman Lugo, Fernando" <fernando.lugo@ti.com>
To: Felipe Contreras <felipe.contreras@gmail.com>
Cc: "Kanigeri, Hari" <h-kanigeri2@ti.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"ohad@wizery.com" <ohad@wizery.com>,
"hiroshi.doyu@nokia.com" <hiroshi.doyu@nokia.com>,
"ameya.palande@nokia.com" <ameya.palande@nokia.com>,
"felipe.contreras@nokia.com" <felipe.contreras@nokia.com>
Subject: RE: [PATCH 8/9] dspbridge: add map support for big buffers
Date: Tue, 24 Aug 2010 14:05:13 -0500 [thread overview]
Message-ID: <496565EC904933469F292DDA3F1663E602F0FA3995@dlee06.ent.ti.com> (raw)
In-Reply-To: <AANLkTinaJ=xn_CAJznVtMcA0nwK_-gbo05OQKM7PuoYA@mail.gmail.com>
> -----Original Message-----
> From: Felipe Contreras [mailto:felipe.contreras@gmail.com]
> Sent: Tuesday, August 24, 2010 1:55 PM
> To: Guzman Lugo, Fernando
> Cc: Kanigeri, Hari; linux-omap@vger.kernel.org;
> linux-kernel@vger.kernel.org; ohad@wizery.com;
> hiroshi.doyu@nokia.com; ameya.palande@nokia.com;
> felipe.contreras@nokia.com
> Subject: Re: [PATCH 8/9] dspbridge: add map support for big buffers
>
> On Tue, Aug 24, 2010 at 9:44 PM, Guzman Lugo, Fernando
> <fernando.lugo@ti.com> wrote:
> >> However, I still have the question about the dependency on iommu;
> >> AFAICS the DMM removal doesn't depend on the migration to iommu,
> >> which AFAIK has been stalled for some time.
> >
> > Yeah, DMM removal does not depend on iommu migration.
> However, After
> > the changes for iommu migration the DMM module is not
> Needed anymore,
> > so it is better to remove it too.
>
> Yes, but there are two options:
>
> a) 1. Migrate to iommu, 2. Remove DMM
>
> or:
>
> b) 1. Remove DMM, 2. Migrate to iommu
>
> I've heard there are some problems regarding DMM, and since
> you say you have already done the changes, and since iommu
> migration is not yet ready AFAIK, it might make sense to go
> for option b).
>
> Anyway, thanks for the clarification :)
But DMM is used in this momment, it is after the IOMMU migration
When DMM is not needed anymore. So we need to go for option a).
Regards,
Fernando.
>
> --
> Felipe Contreras
>
next prev parent reply other threads:[~2010-08-24 19:05 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-01 0:20 [PATCH 0/9] dspbridge: iommu migration Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 1/9] dspbridge: replace iommu custom for opensource implementation Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 2/9] dspbridge: move shared memory iommu maps to tiomap3430.c Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 3/9] dspbridge: rename bridge_brd_mem_map/unmap to a proper name Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 4/9] dspbridge: remove custom mmu code from tiomap3430.c Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 5/9] dspbridge: add mmufault support Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 6/9] dspbridge: remove hw directory Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 7/9] dspbridge: move all iommu related code to a new file Fernando Guzman Lugo
2010-07-01 0:20 ` [PATCH 8/9] dspbridge: add map support for big buffers Fernando Guzman Lugo
2010-07-01 0:21 ` [PATCH 9/9] dspbridge: cleanup bridge_dev_context and cfg_hostres structures Fernando Guzman Lugo
2010-07-01 23:36 ` [PATCH 8/9] dspbridge: add map support for big buffers Kanigeri, Hari
2010-07-02 16:27 ` Guzman Lugo, Fernando
2010-07-02 17:02 ` Kanigeri, Hari
2010-07-02 18:39 ` Guzman Lugo, Fernando
2010-08-24 10:09 ` Felipe Contreras
2010-08-24 16:31 ` Guzman Lugo, Fernando
2010-08-24 17:46 ` Felipe Contreras
2010-08-24 18:44 ` Guzman Lugo, Fernando
2010-08-24 18:55 ` Felipe Contreras
2010-08-24 19:05 ` Guzman Lugo, Fernando [this message]
2010-08-24 19:13 ` Felipe Contreras
2010-08-24 19:30 ` Guzman Lugo, Fernando
2010-08-24 21:17 ` Felipe Contreras
2010-08-24 21:55 ` Guzman Lugo, Fernando
2010-08-25 6:05 ` Felipe Contreras
2010-08-25 16:00 ` Guzman Lugo, Fernando
2010-08-25 19:18 ` Felipe Contreras
2010-08-25 19:42 ` Guzman Lugo, Fernando
2010-08-26 10:04 ` Felipe Contreras
2010-08-26 13:00 ` Guzman Lugo, Fernando
2010-08-26 6:55 ` FUJITA Tomonori
2010-08-26 12:38 ` Guzman Lugo, Fernando
2010-08-26 12:56 ` FUJITA Tomonori
2010-08-26 13:16 ` Guzman Lugo, Fernando
2010-08-26 14:03 ` FUJITA Tomonori
2010-08-26 14:13 ` Guzman Lugo, Fernando
2010-07-02 6:27 ` [PATCH 5/9] dspbridge: add mmufault support Hiroshi DOYU
2010-07-02 16:37 ` Guzman Lugo, Fernando
2010-07-02 6:32 ` [PATCH 1/9] dspbridge: replace iommu custom for opensource implementation Hiroshi DOYU
2010-07-02 16:40 ` Guzman Lugo, Fernando
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