From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Jonathan Corbet <corbet@lwn.net>, <iommu@lists.linux.dev>,
"Joerg Roedel (AMD)" <joro@8bytes.org>,
Jean-Philippe Brucker <jpb@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-doc@vger.kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
Randy Dunlap <rdunlap@infradead.org>,
"Robin Murphy" <robin.murphy@arm.com>,
Shuah Khan <skhan@linuxfoundation.org>,
"Will Deacon" <will@kernel.org>,
David Matlack <dmatlack@google.com>,
"Jean-Philippe Brucker" <jean-philippe@linaro.org>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
<patches@lists.linux.dev>, Pranjal Shrivastava <praan@google.com>,
"Samiullah Khawaja" <skhawaja@google.com>,
Mostafa Saleh <smostafa@google.com>, <stable@vger.kernel.org>,
Vijayanand Jitta <vijayanand.jitta@oss.qualcomm.com>
Subject: Re: [PATCH v6 0/9] Organize the SMMUv3 invalidation flow so iommupt can use it
Date: Wed, 16 Sep 2026 19:43:52 -0700 [thread overview]
Message-ID: <aqtT6P1TsQk/N9dH@nvidia.com> (raw)
In-Reply-To: <0-v6-9cd17417d355+281836-smmu_tlbi_jgg@nvidia.com>
On Wed, Sep 16, 2026 at 09:27:41PM -0300, Jason Gunthorpe wrote:
> [ This is part of the patch pile to move SMMUv3 over to the generic page
> table, the precursor patches have been merged now:
> 1) Organize the SMMUv3 invalidation flow so iommupt can use it
> 2) Use the generic iommu page table for SMMUv3
>
> The first patch should ideally go to -rc
>
> The whole branch is here:
> https://github.com/jgunthorpe/linux/commits/iommu_pt_arm64/
> v6:
> - Rebase to v7.3-rc3
> - Add helpers arm_smmu_pt_level_to_lg2sz(), arm_smmu_pt_lg2sz_to_level(),
> arm_smmu_ril_calc_scale(), arm_smmu_ril_calc_num()
> - Remove unused leaf_only
> - Combine has_range_inv and range_inv_scale_max
> - Clarify comment on arm_smmu_iotlb_sync()
S1/S2/SVA sanity runs okay.
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
prev parent reply other threads:[~2026-09-17 2:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 0:27 [PATCH v6 0/9] Organize the SMMUv3 invalidation flow so iommupt can use it Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 1/9] iommu/arm-smmu-v3: Handle ARM erratum for CONT under invalidation with SVA Jason Gunthorpe
2026-09-17 9:24 ` Mark Rutland
2026-09-17 13:16 ` Jason Gunthorpe
2026-09-17 13:44 ` Will Deacon
2026-09-17 13:47 ` Jason Gunthorpe
2026-09-17 13:56 ` Mark Rutland
2026-09-17 13:52 ` Mark Rutland
2026-09-17 0:27 ` [PATCH v6 2/9] iommu/arm-smmu-v3: Pass the parameters for the invalidation in a struct Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 3/9] iommu/arm-smmu-v3: Move pgsize out of arm_smmu_inv Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 4/9] iommu/arm-smmu-v3: Optimize range invalidation for latency Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 5/9] iommu/arm-smmu-v3: Keep track in the arm_smmu_invs if RIL is used Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 6/9] iommu/arm-smmu-v3: Precompute the invalidation commands Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 7/9] iommu/arm-smmu-v3: Populate the tlbi at the top of the call chain Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 8/9] iommu/arm-smmu-v3: Change how the tlbi describes the invalidation Jason Gunthorpe
2026-09-17 0:27 ` [PATCH v6 9/9] iommu/arm-smmu-v3: Support the DS expansion of RIL's SCALE Jason Gunthorpe
2026-09-17 2:43 ` Nicolin Chen [this message]
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