From: Lu Baolu <baolu.lu@linux.intel.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Kevin Tian <kevin.tian@intel.com>,
Ashok Raj <ashok.raj@intel.com>, David Airlie <airlied@linux.ie>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux-foundation.org,
Jacob jun Pan <jacob.jun.pan@intel.com>,
Alex Williamson <alex.williamson@redhat.com>,
Thierry Reding <thierry.reding@gmail.com>,
Ben Skeggs <bskeggs@redhat.com>, Jason Gunthorpe <jgg@nvidia.com>,
Daniel Vetter <daniel@ffwll.ch>,
Jonathan Hunter <jonathanh@nvidia.com>,
Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/7] drm/nouveau/device: Get right pgsize_bitmap of iommu_domain
Date: Tue, 25 Jan 2022 10:59:34 +0800 [thread overview]
Message-ID: <5977c231-fbd3-ac26-ff13-94ed7a08f347@linux.intel.com> (raw)
In-Reply-To: <Ye5xlSbwAw5JJ8k2@infradead.org>
On 1/24/22 5:29 PM, Christoph Hellwig wrote:
> On Mon, Jan 24, 2022 at 03:11:00PM +0800, Lu Baolu wrote:
>> The supported page sizes of an iommu_domain are saved in the pgsize_bitmap
>> field. Retrieve the value from the right place.
>>
>> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
>> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
>> Link: https://lore.kernel.org/r/20211218074546.1772553-1-baolu.lu@linux.intel.com
>
> Looks good:
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
>
> Wouldn't it mke sense to remove the pgsize_bitmap in struct iommu_ops
> and initialize the domain field in the domain_alloc methods? Or am I
> missing something?
>
It looks reasonable to me. The pgsize_bitmap is an attribute of a domain
that provides the map/unmap interfaces. It could be moved out of the
iommu_ops structure.
Best regards,
baolu
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next prev parent reply other threads:[~2022-01-25 3:00 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-24 7:10 [PATCH 0/7] iommu cleanup and refactoring Lu Baolu
2022-01-24 7:10 ` [PATCH 1/7] iommu/vt-d: Remove guest pasid related callbacks Lu Baolu
2022-01-24 9:25 ` Christoph Hellwig
2022-01-24 7:10 ` [PATCH 2/7] iommu: Remove guest pasid related interfaces and definitions Lu Baolu
2022-01-24 9:26 ` Christoph Hellwig
2022-01-24 7:10 ` [PATCH 3/7] iommu/vt-d: Remove aux-domain related callbacks Lu Baolu
2022-01-24 9:26 ` Christoph Hellwig
2022-01-24 7:10 ` [PATCH 4/7] iommu: Remove aux-domain related interfaces and iommu_ops Lu Baolu
2022-01-24 9:27 ` Christoph Hellwig
2022-01-24 7:11 ` [PATCH 5/7] drm/nouveau/device: Get right pgsize_bitmap of iommu_domain Lu Baolu
2022-01-24 9:29 ` Christoph Hellwig
2022-01-25 2:59 ` Lu Baolu [this message]
2022-01-24 7:11 ` [PATCH 6/7] iommu: Use right way to retrieve iommu_ops Lu Baolu
2022-01-24 9:32 ` Christoph Hellwig
2022-01-25 3:01 ` Lu Baolu
2022-01-24 9:48 ` Tian, Kevin
2022-01-25 3:04 ` Lu Baolu
2022-01-24 17:36 ` Jason Gunthorpe via iommu
2022-01-25 3:18 ` Lu Baolu
2022-01-25 0:20 ` Robin Murphy
2022-01-25 3:54 ` Lu Baolu
2022-01-24 7:11 ` [PATCH 7/7] iommu: Add iommu_domain::domain_ops Lu Baolu
2022-01-24 9:37 ` Christoph Hellwig
2022-01-24 17:24 ` Jason Gunthorpe via iommu
2022-01-25 4:43 ` Lu Baolu
2022-01-25 4:42 ` Lu Baolu
2022-01-24 9:58 ` Tian, Kevin
2022-01-24 10:16 ` Jean-Philippe Brucker
2022-01-24 16:33 ` Jason Gunthorpe via iommu
2022-01-26 9:41 ` Jean-Philippe Brucker
2022-01-24 17:17 ` Jason Gunthorpe via iommu
2022-01-25 4:59 ` Lu Baolu
2022-01-25 12:37 ` Jason Gunthorpe via iommu
2022-01-24 17:55 ` Jason Gunthorpe via iommu
2022-01-25 5:04 ` Lu Baolu
2022-01-25 0:57 ` Robin Murphy
2022-01-25 6:27 ` Lu Baolu
2022-01-25 14:23 ` Robin Murphy
2022-01-25 15:00 ` Jason Gunthorpe via iommu
2022-01-24 9:46 ` [PATCH 0/7] iommu cleanup and refactoring Tian, Kevin
2022-01-24 17:44 ` Jason Gunthorpe via iommu
2022-01-25 1:11 ` Tian, Kevin
2022-01-25 14:48 ` Robin Murphy
2022-01-25 15:16 ` Jason Gunthorpe via iommu
2022-01-26 1:51 ` Lu Baolu
2022-01-26 13:27 ` Jason Gunthorpe via iommu
2022-01-26 14:00 ` Robin Murphy
2022-02-08 1:32 ` Lu Baolu
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