From: Nicolin Chen <nicolinc@nvidia.com>
To: Ashish Mhetre <amhetre@nvidia.com>
Cc: <will@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>,
<jgg@ziepe.ca>, <linux-arm-kernel@lists.infradead.org>,
<iommu@lists.linux.dev>, <linux-kernel@vger.kernel.org>,
<linux-tegra@vger.kernel.org>
Subject: Re: [PATCH v4 2/3] iommu/arm-smmu-v3: Detect Tegra264 erratum
Date: Tue, 7 Jul 2026 16:25:14 -0700 [thread overview]
Message-ID: <ak2K2vhIQSTNAPto@Asurada-Nvidia> (raw)
In-Reply-To: <20260609073204.1760077-3-amhetre@nvidia.com>
On Tue, Jun 09, 2026 at 07:32:03AM +0000, Ashish Mhetre wrote:
> +arm_smmu_erratum_cmd_needs_repeating(struct arm_smmu_device *smmu,
> + struct arm_smmu_cmd *cmd)
> +{
[...]
> + if (!static_branch_unlikely(&arm_smmu_erratum_repeat_tlbi_cfgi_key))
> + return false;
> + if (!(smmu->options & ARM_SMMU_OPT_REPEAT_TLBI_CFGI))
> + return false;
Are they redundant?
Nicolin
next prev parent reply other threads:[~2026-07-07 23:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-09 7:32 [PATCH v4 0/3] iommu/arm-smmu-v3: Tegra264 invalidation workaround Ashish Mhetre
2026-06-09 7:32 ` [PATCH v4 1/3] iommu/arm-smmu-v3: Factor out CMDQ batch force-sync conditions Ashish Mhetre
2026-06-09 7:32 ` [PATCH v4 2/3] iommu/arm-smmu-v3: Detect Tegra264 erratum Ashish Mhetre
2026-07-07 23:25 ` Nicolin Chen [this message]
2026-07-08 14:12 ` Ashish Mhetre
2026-07-09 0:52 ` Nicolin Chen
2026-07-09 1:41 ` Nicolin Chen
2026-06-09 7:32 ` [PATCH v4 3/3] iommu/arm-smmu-v3: Issue CFGI/TLBI twice on Tegra264 Ashish Mhetre
2026-06-17 3:58 ` [PATCH v4 0/3] iommu/arm-smmu-v3: Tegra264 invalidation workaround Ashish Mhetre
2026-06-17 4:54 ` Nicolin Chen
2026-06-17 8:21 ` Jon Hunter
2026-06-29 4:11 ` Ashish Mhetre
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