From: Nicolin Chen <nicolinc@nvidia.com>
To: Will Deacon <will@kernel.org>
Cc: <jean-philippe@linaro.org>, <robin.murphy@arm.com>,
<joro@8bytes.org>, <jgg@nvidia.com>, <balbirs@nvidia.com>,
<miko.lenczewski@arm.com>, <peterz@infradead.org>,
<kevin.tian@intel.com>, <praan@google.com>,
<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v10 0/8] iommu/arm-smmu-v3: Introduce an RCU-protected invalidation array
Date: Tue, 27 Jan 2026 08:02:04 -0800 [thread overview]
Message-ID: <aXjhfKEiPUWX58Gg@Asurada-Nvidia> (raw)
In-Reply-To: <aXi_qqx8oNn44UbS@willie-the-truck>
On Tue, Jan 27, 2026 at 01:37:46PM +0000, Will Deacon wrote:
> On Mon, Jan 26, 2026 at 07:09:11PM -0800, Nicolin Chen wrote:
> > Changelog
> > v10:
> > * Rebase on arm/smmu/updates
> > * Add Reviewed-by from Pranjal
> > * Fix typo in kdoc and update comments
> > * Add dma_wmb() in arm_smmu_write_entry()
> > * Drop free_fn from arm_smmu_invs_unref()
> > * Replace refcount_t users with WRITE_ONCE/READ_ONCE()
> > * Verify num_trashes in arm_smmu_v3_invs_test_verify()
>
> I think it probably just slipped through the cracks, but Pranjal had a
> concern in v9 about the rwlock not being irqsafe:
>
> https://lore.kernel.org/r/aXND9YJTwm6om689@google.com
>
> Did that get discussed someplace that I missed?
My bad. I missed it. I'll reply there.
Nicolin
prev parent reply other threads:[~2026-01-27 16:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-27 3:09 [PATCH v10 0/8] iommu/arm-smmu-v3: Introduce an RCU-protected invalidation array Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 1/8] iommu/arm-smmu-v3: Add a missing dma_wmb() for hitless STE update Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 2/8] iommu/arm-smmu-v3: Explicitly set smmu_domain->stage for SVA Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 3/8] iommu/arm-smmu-v3: Add an inline arm_smmu_domain_free() Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 4/8] iommu/arm-smmu-v3: Introduce a per-domain arm_smmu_invs array Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 5/8] iommu/arm-smmu-v3: Pre-allocate a per-master invalidation array Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 6/8] iommu/arm-smmu-v3: Populate smmu_domain->invs when attaching masters Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 7/8] iommu/arm-smmu-v3: Add arm_smmu_invs based arm_smmu_domain_inv_range() Nicolin Chen
2026-01-27 3:09 ` [PATCH v10 8/8] iommu/arm-smmu-v3: Perform per-domain invalidations using arm_smmu_invs Nicolin Chen
2026-01-27 13:37 ` [PATCH v10 0/8] iommu/arm-smmu-v3: Introduce an RCU-protected invalidation array Will Deacon
2026-01-27 16:02 ` Nicolin Chen [this message]
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