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>
WARNING: multiple messages have this Message-ID (diff)
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>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-06-11 3:27 UTC|newest]
Thread overview: 56+ 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 ` 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 0:31 ` Jason Gunthorpe
2024-06-11 0:50 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 0:55 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 2:00 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 2:13 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 2:31 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 2:36 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 2:39 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 3:02 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 3:12 ` Nicolin Chen
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 0:31 ` Jason Gunthorpe
2024-06-11 3:25 ` Nicolin Chen
2024-06-11 3:25 ` Nicolin Chen
2024-06-11 3:27 ` Nicolin Chen [this message]
2024-06-11 3:27 ` [PATCH v2 00/10] Tidy some minor things in the stream table/cd table area Nicolin Chen
2024-07-02 18:43 ` Will Deacon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ZmfEIXUBohGqiAKf@Asurada-Nvidia \
--to=nicolinc@nvidia.com \
--cc=iommu@lists.linux.dev \
--cc=jgg@nvidia.com \
--cc=joro@8bytes.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=mshavit@google.com \
--cc=patches@lists.linux.dev \
--cc=robin.murphy@arm.com \
--cc=ryan.roberts@arm.com \
--cc=smostafa@google.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.