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

Nicolin Chen nicolinc at nvidia.com
Wed Jul 22 12:02:58 PDT 2026


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



More information about the linux-arm-kernel mailing list