Re: [PATCH v8 2/3] iommu/arm-smmu-v3: Introduce CFGI/TLBI-repeat workaround infrastructure

Nicolin Chen <[email protected]> Wed, 22 Jul 2026 12:02:58 -0700

Newsgroups	org.kernel.vger.linux-tegra,dev.linux.lists.iommu,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Wed, Jul 22, 2026 at 10:20:32AM +0000, Ashish Mhetre wrote:
> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> index c909c9a88538..9508bf50d14c 100644
> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> @@ -1207,10 +1207,15 @@ void arm_smmu_attach_commit(struct arm_smmu_attach_state *state);
>  int arm_smmu_cmdq_issue_cmdlist(struct arm_smmu_device *smmu,
>  				struct arm_smmu_cmdq *cmdq,
>  				struct arm_smmu_cmd *cmds, int n,
>  				bool sync);
> +bool arm_smmu_erratum_cmd_needs_repeating(struct arm_smmu_cmd *cmd);
 
Is this needed?

Nicolin