From: Jason Gunthorpe <jgg@ziepe.ca>
To: Tina Zhang <tina.zhang@intel.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
Yi Liu <yi.l.liu@intel.com>,
joro@8bytes.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, iommu@lists.linux.dev,
will@kernel.org, Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [RFC PATCH 2/5] iommu/vt-d: Add generic IO page table support
Date: Mon, 6 Nov 2023 15:32:28 -0400 [thread overview]
Message-ID: <20231106193228.GU4634@ziepe.ca> (raw)
In-Reply-To: <20231106071226.9656-3-tina.zhang@intel.com>
On Mon, Nov 06, 2023 at 02:12:23AM -0500, Tina Zhang wrote:
> Add basic hook up code to implement generic IO page table framework.
>
> Signed-off-by: Tina Zhang <tina.zhang@intel.com>
> ---
> drivers/iommu/intel/Kconfig | 1 +
> drivers/iommu/intel/iommu.c | 94 +++++++++++++++++++++++++++++++++++++
> drivers/iommu/intel/iommu.h | 7 +++
> drivers/iommu/io-pgtable.c | 3 ++
> include/linux/io-pgtable.h | 2 +
> 5 files changed, 107 insertions(+)
If this is going to happen can we also convert vt-d to actually use
the io page table stuff directly and shuffle the code around so it is
structured like the rest of the io page table implementations?
Jason
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next prev parent reply other threads:[~2023-11-06 19:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-06 7:12 [RFC PATCH 0/5] virtio-iommu: Add VT-d IO page table Tina Zhang
2023-11-06 7:12 ` [RFC PATCH 1/5] iommu/virtio-iommu: Correct the values of granule and nr_pages Tina Zhang
2023-11-06 7:12 ` [RFC PATCH 2/5] iommu/vt-d: Add generic IO page table support Tina Zhang
2023-11-06 19:32 ` Jason Gunthorpe [this message]
2023-11-09 0:10 ` Zhang, Tina
2023-11-09 0:33 ` Jason Gunthorpe
2023-11-06 7:12 ` [RFC PATCH 3/5] iommu/io-pgtable: Introduce struct vtd_cfg Tina Zhang
2023-11-06 7:12 ` [RFC PATCH 4/5] iommu/vt-d: Adapt alloc_pgtable interface to be used by others Tina Zhang
2023-11-06 7:12 ` [RFC PATCH 5/5] iommu/virtio-iommu: Support attaching VT-d IO pgtable Tina Zhang
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