From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
"stepanm@codeaurora.org" <stepanm@codeaurora.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
"dwalker@codeaurora.org" <dwalker@codeaurora.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] arm: msm: Add System MMU support.
Date: Mon, 2 Aug 2010 09:48:12 +0200 [thread overview]
Message-ID: <20100802074812.GM24084@amd.com> (raw)
In-Reply-To: <1280546124.1902.30.camel@pasglop>
On Fri, Jul 30, 2010 at 11:15:24PM -0400, Benjamin Herrenschmidt wrote:
> On Thu, 2010-07-29 at 10:26 +0200, Arnd Bergmann wrote:
> > Exactly, thanks for the clarification. I also didn't realize that
> > there
> > is now an include/linux/iommu.h file that only describes the PCI
> > SR-IOV
> > interfaces, unlike the generic IOMMU support that we have in your
> > include/linux/dma-mapping.h file.
> >
> > Maybe we should rename linux/iommu.h to something more specific so we
> > can reduce this confusion in the future.
>
> Hrm, indeed I just noticed that. Pretty gross... it should definitly be
> renamed, is will caused endless confusion with unrelated iommu.h and
> iommu_* interfaces which represent something different.
The first direction to go should be trying to unify all the different
iommu* interfaces into the iommu-api. The generic api will definitly
need to be extended for that, but since it is an in-kernel interface
thats no problem.
--
Joerg Roedel - AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
WARNING: multiple messages have this Message-ID (diff)
From: Joerg.Roedel@amd.com (Roedel, Joerg)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] arm: msm: Add System MMU support.
Date: Mon, 2 Aug 2010 09:48:12 +0200 [thread overview]
Message-ID: <20100802074812.GM24084@amd.com> (raw)
In-Reply-To: <1280546124.1902.30.camel@pasglop>
On Fri, Jul 30, 2010 at 11:15:24PM -0400, Benjamin Herrenschmidt wrote:
> On Thu, 2010-07-29 at 10:26 +0200, Arnd Bergmann wrote:
> > Exactly, thanks for the clarification. I also didn't realize that
> > there
> > is now an include/linux/iommu.h file that only describes the PCI
> > SR-IOV
> > interfaces, unlike the generic IOMMU support that we have in your
> > include/linux/dma-mapping.h file.
> >
> > Maybe we should rename linux/iommu.h to something more specific so we
> > can reduce this confusion in the future.
>
> Hrm, indeed I just noticed that. Pretty gross... it should definitly be
> renamed, is will caused endless confusion with unrelated iommu.h and
> iommu_* interfaces which represent something different.
The first direction to go should be trying to unify all the different
iommu* interfaces into the iommu-api. The generic api will definitly
need to be extended for that, but since it is an in-kernel interface
thats no problem.
--
Joerg Roedel - AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
next prev parent reply other threads:[~2010-08-02 7:45 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-27 22:41 [PATCH 1/2] arm: msm: Add System MMU support Stepan Moskovchenko
2010-07-27 22:41 ` Stepan Moskovchenko
2010-07-27 22:43 ` Daniel Walker
2010-07-27 22:43 ` Daniel Walker
2010-07-28 8:39 ` Arnd Bergmann
2010-07-28 8:39 ` Arnd Bergmann
2010-07-28 17:39 ` stepanm
2010-07-28 17:39 ` stepanm at codeaurora.org
2010-07-28 17:50 ` Arnd Bergmann
2010-07-28 17:50 ` Arnd Bergmann
2010-07-28 21:21 ` Russell King - ARM Linux
2010-07-28 21:21 ` Russell King - ARM Linux
2010-07-29 4:15 ` FUJITA Tomonori
2010-07-29 4:15 ` FUJITA Tomonori
2010-07-29 8:12 ` Arnd Bergmann
2010-07-29 8:12 ` Arnd Bergmann
2010-07-29 11:47 ` Russell King - ARM Linux
2010-07-29 11:47 ` Russell King - ARM Linux
2010-07-30 6:14 ` FUJITA Tomonori
2010-07-30 6:14 ` FUJITA Tomonori
2010-07-29 0:58 ` stepanm
2010-07-29 0:58 ` stepanm at codeaurora.org
2010-07-29 3:35 ` FUJITA Tomonori
2010-07-29 3:35 ` FUJITA Tomonori
2010-07-29 8:26 ` Arnd Bergmann
2010-07-29 8:26 ` Arnd Bergmann
2010-07-29 8:35 ` FUJITA Tomonori
2010-07-29 8:35 ` FUJITA Tomonori
2010-07-29 8:40 ` Roedel, Joerg
2010-07-29 8:40 ` Roedel, Joerg
2010-07-29 8:46 ` FUJITA Tomonori
2010-07-29 8:46 ` FUJITA Tomonori
2010-07-29 9:06 ` Roedel, Joerg
2010-07-29 9:06 ` Roedel, Joerg
2010-07-29 9:14 ` FUJITA Tomonori
2010-07-29 9:14 ` FUJITA Tomonori
2010-07-29 9:25 ` Roedel, Joerg
2010-07-29 9:25 ` Roedel, Joerg
2010-07-29 9:28 ` Roedel, Joerg
2010-07-29 9:28 ` Roedel, Joerg
2010-07-29 9:44 ` FUJITA Tomonori
2010-07-29 9:44 ` FUJITA Tomonori
2010-07-29 10:01 ` Roedel, Joerg
2010-07-29 10:01 ` Roedel, Joerg
2010-07-29 11:25 ` Arnd Bergmann
2010-07-29 11:25 ` Arnd Bergmann
2010-07-29 12:12 ` Roedel, Joerg
2010-07-29 12:12 ` Roedel, Joerg
2010-07-29 13:01 ` Arnd Bergmann
2010-07-29 13:01 ` Arnd Bergmann
2010-07-30 5:19 ` stepanm
2010-07-30 5:19 ` stepanm at codeaurora.org
2010-07-30 8:01 ` Arnd Bergmann
2010-07-30 8:01 ` Arnd Bergmann
2010-07-30 16:25 ` stepanm
2010-07-30 16:25 ` stepanm at codeaurora.org
2010-07-30 21:59 ` Arnd Bergmann
2010-07-30 21:59 ` Arnd Bergmann
2010-07-30 22:58 ` stepanm
2010-07-30 22:58 ` stepanm at codeaurora.org
2010-07-31 9:37 ` Arnd Bergmann
2010-07-31 9:37 ` Arnd Bergmann
2010-08-02 7:58 ` Roedel, Joerg
2010-08-02 7:58 ` Roedel, Joerg
2010-08-02 20:29 ` Zach Pfeffer
2010-08-02 20:29 ` Zach Pfeffer
2010-08-03 9:23 ` Roedel, Joerg
2010-08-03 9:23 ` Roedel, Joerg
2010-08-03 18:43 ` Stepan Moskovchenko
2010-08-03 18:43 ` Stepan Moskovchenko
2010-08-04 9:52 ` Roedel, Joerg
2010-08-04 9:52 ` Roedel, Joerg
2010-07-31 3:15 ` Benjamin Herrenschmidt
2010-07-31 3:15 ` Benjamin Herrenschmidt
2010-08-02 7:48 ` Roedel, Joerg [this message]
2010-08-02 7:48 ` Roedel, Joerg
2010-08-02 8:03 ` Benjamin Herrenschmidt
2010-08-02 8:03 ` Benjamin Herrenschmidt
2010-08-02 8:10 ` Roedel, Joerg
2010-08-02 8:10 ` Roedel, Joerg
2010-08-02 8:30 ` FUJITA Tomonori
2010-08-02 8:30 ` FUJITA Tomonori
2010-08-02 9:03 ` Russell King - ARM Linux
2010-08-02 9:03 ` Russell King - ARM Linux
2010-08-02 9:20 ` FUJITA Tomonori
2010-08-02 9:20 ` FUJITA Tomonori
2010-08-02 10:04 ` Russell King - ARM Linux
2010-08-02 10:04 ` Russell King - ARM Linux
2010-08-02 15:26 ` FUJITA Tomonori
2010-08-02 15:26 ` FUJITA Tomonori
2010-08-02 9:45 ` Roedel, Joerg
2010-08-02 9:45 ` Roedel, Joerg
2010-08-02 8:35 ` Roedel, Joerg
2010-08-02 8:35 ` Roedel, Joerg
2010-07-31 2:30 ` Benjamin Herrenschmidt
2010-07-31 2:30 ` Benjamin Herrenschmidt
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