From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: <iommu@lists.linux.dev>, Joerg Roedel <joro@8bytes.org>,
<linux-arm-kernel@lists.infradead.org>,
Robin Murphy <robin.murphy@arm.com>,
Will Deacon <will@kernel.org>,
Michael Shavit <mshavit@google.com>, <patches@lists.linux.dev>,
Ryan Roberts <ryan.roberts@arm.com>,
Mostafa Saleh <smostafa@google.com>
Subject: Re: [PATCH v2 00/10] Tidy some minor things in the stream table/cd table area
Date: Mon, 10 Jun 2024 20:27:29 -0700 [thread overview]
Message-ID: <ZmfEIXUBohGqiAKf@Asurada-Nvidia> (raw)
In-Reply-To: <0-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com>
On Mon, Jun 10, 2024 at 09:31:09PM -0300, Jason Gunthorpe wrote:
> Will pointed out that two places referring to the CD/STE struct did not
> get the new types. While auditing this code a few more oddities were
> noticed. Based on a feedback from Mostafa and Nicolin a few more things
> were fixed up too
>
> - Use types for all the HW structures everywhere even for the L1
> descriptors that are just a single 8 bytes. This helps with clarity of
> what everthing is pointing at
> - Use indexing helpers for the STE/CD two level calculations
> - Use sizeof(struct X) instead of open coded math on constants. The sizeof
> naturally follows the type of the related variable in almost all cases
> - Remove redundant dma_addr_t's and save some memory
> - Remove redundant devm usage
> - Use the modern rbtree API
>
> Parts of this have been sitting in my tree for a while now, it grew a bit
> since v1, but nothing is particularly profound here. Enough is merged now
> that they can be cleanly based and are seperate from my other series.
>
> v2:
> - Add a patch to add structs for the L1/L2 HW layouts and use their
> sizeof and type instead of constants and generic __le64 *.
> - Add a patch for L1/L2 indexing helpers for clarity
> - Reorder patches
> - Redo the union layout in the cfg for both cases
> - Fully remove some more defines
For the entire series,
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
next prev parent reply other threads:[~2024-06-11 3:27 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-11 0:31 [PATCH v2 00/10] Tidy some minor things in the stream table/cd table area Jason Gunthorpe
2024-06-11 0:31 ` [PATCH v2 01/10] iommu/arm-smmu-v3: Do not zero the strtab twice Jason Gunthorpe
2024-06-11 0:50 ` Nicolin Chen
2024-06-11 23:52 ` Daniel Mentz
2024-06-12 11:46 ` Jason Gunthorpe
2024-06-11 0:31 ` [PATCH v2 02/10] iommu/arm-smmu-v3: Shrink the strtab l1_desc array Jason Gunthorpe
2024-06-11 0:55 ` Nicolin Chen
2024-06-11 0:31 ` [PATCH v2 03/10] iommu/arm-smmu-v3: Add arm_smmu_strtab_l1/2_idx() Jason Gunthorpe
2024-06-11 2:00 ` Nicolin Chen
2024-06-12 0:30 ` Daniel Mentz
2024-06-12 12:09 ` Jason Gunthorpe
2024-06-12 0:37 ` Daniel Mentz
2024-06-12 11:49 ` Jason Gunthorpe
2024-06-11 0:31 ` [PATCH v2 04/10] iommu/arm-smmu-v3: Add types for each level of the 2 level stream table Jason Gunthorpe
2024-06-11 2:13 ` Nicolin Chen
2024-06-11 0:31 ` [PATCH v2 05/10] iommu/arm-smmu-v3: Reorganize struct arm_smmu_strtab_cfg Jason Gunthorpe
2024-06-11 2:31 ` Nicolin Chen
2024-07-02 18:46 ` Will Deacon
2024-07-09 19:42 ` Jason Gunthorpe
2024-06-11 0:31 ` [PATCH v2 06/10] iommu/arm-smmu-v3: Remove strtab_base/cfg Jason Gunthorpe
2024-06-11 2:36 ` Nicolin Chen
2024-06-11 0:31 ` [PATCH v2 07/10] iommu/arm-smmu-v3: Do not use devm for the cd table allocations Jason Gunthorpe
2024-06-11 2:39 ` Nicolin Chen
2024-06-11 0:31 ` [PATCH v2 08/10] iommu/arm-smmu-v3: Shrink the cdtab l1_desc array Jason Gunthorpe
2024-06-11 3:02 ` Nicolin Chen
2024-07-02 18:46 ` Will Deacon
2024-07-09 19:52 ` Jason Gunthorpe
2024-07-09 23:53 ` Jason Gunthorpe
2024-06-11 0:31 ` [PATCH v2 09/10] iommu/arm-smmu-v3: Add types for each level of the CD table Jason Gunthorpe
2024-06-11 3:12 ` Nicolin Chen
2024-06-11 0:31 ` [PATCH v2 10/10] iommu/arm-smmu-v3: Reorganize struct arm_smmu_ctx_desc_cfg Jason Gunthorpe
2024-06-11 3:25 ` Nicolin Chen
2024-06-11 3:27 ` Nicolin Chen [this message]
2024-07-02 18:43 ` [PATCH v2 00/10] Tidy some minor things in the stream table/cd table area Will Deacon
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