> -----Original Message----- > From: Felipe Contreras [mailto:felipe.contreras@xxxxxxxxx] > Sent: Tuesday, August 24, 2010 1:55 PM > To: Guzman Lugo, Fernando > Cc: Kanigeri, Hari; linux-omap@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; ohad@xxxxxxxxxx; > hiroshi.doyu@xxxxxxxxx; ameya.palande@xxxxxxxxx; > felipe.contreras@xxxxxxxxx > 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@xxxxxx> 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 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
