From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: <iommu@lists.linux.dev>, "Joerg Roedel (AMD)" <joro@8bytes.org>,
Jean-Philippe Brucker <jpb@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Robin Murphy <robin.murphy@arm.com>,
Will Deacon <will@kernel.org>,
David Matlack <dmatlack@google.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>
Subject: Re: [PATCH v2 2/8] iommu/arm-smmu-v3: Move pgsize out of arm_smmu_inv
Date: Tue, 7 Jul 2026 10:21:40 -0700 [thread overview]
Message-ID: <ak01pH1Dkq7nzlIN@Asurada-Nvidia> (raw)
In-Reply-To: <20260707161506.GA226829@nvidia.com>
On Tue, Jul 07, 2026 at 01:15:06PM -0300, Jason Gunthorpe wrote:
> On Mon, Jul 06, 2026 at 08:57:22PM -0700, Nicolin Chen wrote:
> > > @@ -734,7 +734,6 @@ struct arm_smmu_inv {
> > > u8 nsize_opcode;
> > > u32 id; /* ASID or VMID or SID */
> > > union {
> > > - size_t pgsize; /* ARM_SMMU_FEAT_RANGE_INV */
> > > u32 ssid; /* INV_TYPE_ATS */
> > > };
> >
> > So, union has only "ssid" now. Should we unwrap it?
>
> I thought we might need it with some of the other series?
I was wondering about that too, but couldn't find in those series
of mine (smmuv3_kdump, smmuv3_atc_timeout, smmuv3_share_domain).
Nicolin
next prev parent reply other threads:[~2026-07-07 17:22 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-06 16:26 [PATCH v2 0/8] Organize the SMMUv3 invalidation flow so iommupt can use it Jason Gunthorpe
2026-07-06 16:26 ` [PATCH v2 1/8] iommu/arm-smmu-v3: Pass the parameters for the invalidation in a struct Jason Gunthorpe
2026-07-07 3:04 ` Nicolin Chen
2026-07-07 11:18 ` Mostafa Saleh
2026-07-06 16:26 ` [PATCH v2 2/8] iommu/arm-smmu-v3: Move pgsize out of arm_smmu_inv Jason Gunthorpe
2026-07-07 3:57 ` Nicolin Chen
2026-07-07 16:15 ` Jason Gunthorpe
2026-07-07 17:21 ` Nicolin Chen [this message]
2026-07-07 11:24 ` Mostafa Saleh
2026-07-07 18:08 ` Jason Gunthorpe
2026-07-06 16:26 ` [PATCH v2 3/8] iommu/arm-smmu-v3: Optimize range invalidation for latency Jason Gunthorpe
2026-07-07 7:27 ` Nicolin Chen
2026-07-07 19:13 ` Jason Gunthorpe
2026-07-07 21:07 ` Nicolin Chen
2026-07-07 11:45 ` Mostafa Saleh
2026-07-06 16:26 ` [PATCH v2 4/8] iommu/arm-smmu-v3: Keep track in the arm_smmu_invs if RIL is used Jason Gunthorpe
2026-07-07 7:27 ` Nicolin Chen
2026-07-07 11:46 ` Mostafa Saleh
2026-07-06 16:26 ` [PATCH v2 5/8] iommu/arm-smmu-v3: Precompute the invalidation commands Jason Gunthorpe
2026-07-07 11:52 ` Mostafa Saleh
2026-07-07 14:58 ` Jason Gunthorpe
2026-07-07 20:31 ` Nicolin Chen
2026-07-06 16:26 ` [PATCH v2 6/8] iommu/arm-smmu-v3: Populate the tlbi at the top of the call chain Jason Gunthorpe
2026-07-07 11:57 ` Mostafa Saleh
2026-07-07 21:51 ` Nicolin Chen
2026-07-06 16:26 ` [PATCH v2 7/8] iommu/arm-smmu-v3: Change how the tlbi describes the invalidation Jason Gunthorpe
2026-07-06 18:00 ` Robin Murphy
2026-07-06 19:45 ` Jason Gunthorpe
2026-07-06 16:26 ` [PATCH v2 8/8] iommu/arm-smmu-v3: Support the DS expansion of RIL's SCALE Jason Gunthorpe
2026-07-07 23:20 ` Nicolin Chen
2026-07-07 12:25 ` [PATCH v2 0/8] Organize the SMMUv3 invalidation flow so iommupt can use it Mostafa Saleh
2026-07-07 15:00 ` Jason Gunthorpe
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