linux-kernel - Re: [PATCH v4 0/7] iommu: split mapping to page sizes as supported by the hardware

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Message-ID: <CAK=Wgbb5K+rqPNdM2sC8z+9d4-hdcPwV-vXk6gcAYWaO+dVx3w@mail.gmail.com>
Date:	Tue, 8 Nov 2011 14:57:02 +0200
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	iommu@...ts.linux-foundation.org,
	Joerg Roedel <Joerg.Roedel@....com>
Cc:	linux-omap@...r.kernel.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-arm-kernel@...ts.infradead.org,
	David Brown <davidb@...eaurora.org>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	Hiroshi Doyu <hdoyu@...dia.com>,
	Stepan Moskovchenko <stepanm@...eaurora.org>,
	KyongHo Cho <pullip.cho@...sung.com>
Subject: Re: [PATCH v4 0/7] iommu: split mapping to page sizes as supported by
 the hardware

Joerg, gentle reminder. thanks.

On Mon, Oct 17, 2011 at 1:27 PM, Ohad Ben-Cohen <ohad@...ery.com> wrote:
> v3->v4:
> - simplify splitter logic (Joerg)
> - declare supported page-sizes in the iommu_ops, without extending iommu_register (Joerg)
> - iommu_unmap should now return bytes too (Joerg)
> - don't cache min_pgsize anymore (Joerg)
> - handle cases when ->unmap() actually unmaps more than requested (Joerg)
> - unroll iommu_unmap completely in case it fails (KyongHo)
> - use size_t for size parameters (KyongHo)
> - add a patch to remove the bytes->order->bytes conversion we had
> - rabase to master branch of the iommu tree (Joerg)
>
> v2->v3:
> - s/KB/KiB/ (David W)
>
> v1->v2:
> - split to patches (by keeping the old code around until all drivers are converted) (Joerg)
>
> Tested with OMAP3 (omap3isp) and OMAP4 (rpmsg/remoteproc).
> Compile tested with X86_64.
>
> Ohad Ben-Cohen (7):
>  iommu/core: stop converting bytes to page order back and forth
>  iommu/core: split mapping to page sizes as supported by the hardware
>  iommu/omap: announce supported page sizes
>  iommu/msm: announce supported page sizes
>  iommu/amd: announce supported page sizes
>  iommu/intel: announce supported page sizes
>  iommu/core: remove the temporary pgsize settings
>
>  drivers/iommu/amd_iommu.c   |   32 +++++++++---
>  drivers/iommu/intel-iommu.c |   30 ++++++++---
>  drivers/iommu/iommu.c       |  119 ++++++++++++++++++++++++++++++++++++++----
>  drivers/iommu/msm_iommu.c   |   25 ++++-----
>  drivers/iommu/omap-iommu.c  |   18 +++---
>  drivers/iommu/omap-iovmm.c  |   17 ++----
>  include/linux/iommu.h       |   26 +++++++--
>  virt/kvm/iommu.c            |    8 ++--
>  8 files changed, 205 insertions(+), 70 deletions(-)
>
> --
> 1.7.4.1
>
>
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