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From: Greg KH <gregkh@suse.de>
To: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org,
	Alex Williamson <alex.williamson@redhat.com>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	David Woodhouse <dwmw2@infradead.org>,
	David Brown <davidb@codeaurora.org>,
	joro@8bytes.org, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/10] IOMMU: Make iommu_ops per-bus_type
Date: Wed, 7 Sep 2011 11:48:40 -0700	[thread overview]
Message-ID: <20110907184840.GB920@suse.de> (raw)
In-Reply-To: <1315410113-26608-1-git-send-email-joerg.roedel@amd.com>

On Wed, Sep 07, 2011 at 05:41:43PM +0200, Joerg Roedel wrote:
> Hi,
> 
> here is the new version of the patch-set to make the iommu_ops used in
> the iommu-api a bus_type property. This will allow us to move code out
> of the iommu drivers into generic code and it simplifies the
> implementation of the Alex' device-group property.
> 
> Greg, can you have a look at patch 2 please and tell me if you have any
> objections?

I object, please see my comments.

> With this version the patch-set is complete (not as the first RFC post).
> It converts all iommu drivers to use the new registration interface and
> completly removes the register_iommu interface.
> 
> Regards,
> 
> 	Joerg
> 
> Diffstat:
> 
>  arch/ia64/kvm/kvm-ia64.c           |    3 +-
>  arch/x86/kvm/x86.c                 |    3 +-
>  drivers/base/bus.c                 |   16 ++++++++++
>  drivers/iommu/amd_iommu.c          |    2 +-
>  drivers/iommu/intel-iommu.c        |    2 +-
>  drivers/iommu/iommu.c              |   58 ++++++++++++++++++++++++------------
>  drivers/iommu/msm_iommu.c          |    2 +-
>  drivers/iommu/omap-iommu.c         |    2 +-
>  drivers/media/video/omap3isp/isp.c |    2 +-
>  include/linux/device.h             |    9 +++++
>  include/linux/iommu.h              |   21 +++++++------
>  virt/kvm/iommu.c                   |    4 +-
>  12 files changed, 86 insertions(+), 38 deletions(-)

So the overall work here makes for more code, right?  I fail to see the
benifit, what am I missing?

greg k-h

  parent reply	other threads:[~2011-09-07 18:49 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-07 15:41 [PATCH 0/10] IOMMU: Make iommu_ops per-bus_type Joerg Roedel
2011-09-07 15:41 ` [PATCH 01/10] iommu/core: Define iommu_ops and register_iommu only with CONFIG_IOMMU_API Joerg Roedel
2011-09-07 15:41 ` [PATCH 02/10] Driver core: Add iommu_ops to bus_type Joerg Roedel
2011-09-07 18:47   ` Greg KH
2011-09-07 19:19     ` Joerg Roedel
2011-09-07 19:44       ` Greg KH
2011-09-07 20:37         ` Don Dutile
2011-09-08  8:58           ` Joerg Roedel
2011-09-08  8:41         ` Joerg Roedel
2011-09-12 11:40           ` Sethi Varun-B16395
2011-09-13 14:54         ` Roedel, Joerg
2011-09-13 14:58           ` Greg KH
2011-09-13 15:15             ` Roedel, Joerg
2011-09-13 15:38             ` Roedel, Joerg
2011-09-13 16:21               ` Greg KH
2011-09-14 12:46                 ` Roedel, Joerg
2011-09-12 12:08       ` Sethi Varun-B16395
2011-09-12 12:35         ` Roedel, Joerg
2011-09-15 12:45           ` Sethi Varun-B16395
2011-09-15 13:13             ` Roedel, Joerg
2011-09-07 15:41 ` [PATCH 03/10] iommu/core: Add bus_type parameter to iommu_domain_alloc Joerg Roedel
2011-09-12 11:50   ` Sethi Varun-B16395
2011-09-12 12:37     ` Roedel, Joerg
2011-09-07 15:41 ` [PATCH 04/10] iommu/core: Convert iommu_found to iommu_present Joerg Roedel
2011-09-07 15:41 ` [PATCH 05/10] iommu/core: Use bus->iommu_ops in the iommu-api Joerg Roedel
2011-09-07 15:41 ` [PATCH 06/10] iommu/amd: Use bus_set_iommu instead of register_iommu Joerg Roedel
2011-09-07 15:41 ` [PATCH 07/10] iommu/vt-d: " Joerg Roedel
2011-09-07 15:41 ` [PATCH 08/10] iommu/omap: " Joerg Roedel
2011-09-07 15:41 ` [PATCH 09/10] iommu/msm: " Joerg Roedel
2011-09-07 15:41 ` [PATCH 10/10] iommu/core: Remove global iommu_ops and register_iommu Joerg Roedel
2011-09-07 18:48 ` Greg KH [this message]
2011-09-07 19:29   ` [PATCH 0/10] IOMMU: Make iommu_ops per-bus_type Joerg Roedel

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