Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754089Ab0HYQBF (ORCPT ); Wed, 25 Aug 2010 12:01:05 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:39135 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752522Ab0HYQA6 convert rfc822-to-8bit (ORCPT ); Wed, 25 Aug 2010 12:00:58 -0400 From: "Guzman Lugo, Fernando" To: Felipe Contreras 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" Date: Wed, 25 Aug 2010 11:00:52 -0500 Subject: RE: [PATCH 8/9] dspbridge: add map support for big buffers Thread-Topic: [PATCH 8/9] dspbridge: add map support for big buffers Thread-Index: ActEG5IrJfA4/pu6SpS2KNKrFAnumAAUvWmw Message-ID: <496565EC904933469F292DDA3F1663E602F0FA3D20@dlee06.ent.ti.com> References: <1277943660-4112-1-git-send-email-x0095840@ti.com> <1277943660-4112-2-git-send-email-x0095840@ti.com> <1277943660-4112-3-git-send-email-x0095840@ti.com> <1277943660-4112-4-git-send-email-x0095840@ti.com> <1277943660-4112-5-git-send-email-x0095840@ti.com> <1277943660-4112-6-git-send-email-x0095840@ti.com> <1277943660-4112-7-git-send-email-x0095840@ti.com> <1277943660-4112-8-git-send-email-x0095840@ti.com> <1277943660-4112-9-git-send-email-x0095840@ti.com> <8F7AF80515AF0D4D93307E594F3CB40E4CAD34D5@dlee03.ent.ti.com> <496565EC904933469F292DDA3F1663E602CBDD3ADE@dlee06.ent.ti.com> <8F7AF80515AF0D4D93307E594F3CB40E4CAD39F6@dlee03.ent.ti.com> <496565EC904933469F292DDA3F1663E602CBDD3BB2@dlee06.ent.ti.com> <496565EC904933469F292DDA3F1663E602F0FA3883@dlee06.ent.ti.com> <496565EC904933469F292DDA3F1663E602F0FA397F@dlee06.ent.ti.com> <496565EC904933469F292DDA3F1663E602F0FA3995@dlee06.ent.ti.com> <496565EC904933469F292DDA3F1663E602F0FA39BA@dlee06.ent.ti.com> <496565EC904933469F292DDA3F1663E602F0FA3AED@dlee06.ent.ti.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1477 Lines: 42 > -----Original Message----- > From: Felipe Contreras [mailto:felipe.contreras@gmail.com] > Sent: Wednesday, August 25, 2010 1:06 AM > 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 Wed, Aug 25, 2010 at 12:55 AM, Guzman Lugo, Fernando > wrote: > >> However, from what I can see iovmm can be used instead of > dmm even if > >> the switch to iommu is not yet there. > > > > Iovmm have a list of memory used (reserved, that is what dmm module > > does) and also maps the buffer, So we can not use iovmm without > > removing The mapping which is done inside dspbridge because it will > > conflic with The mapping doing inside iovmm module. So that > means for > > using iovmm, the Mapping in dspbridge had to be removed in > order to work properly. > > 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. Regards, Fernando. > > -- > Felipe Contreras > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/