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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jun 03, 2024 at 07:31:27PM -0300, Jason Gunthorpe 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 1242a086c9f948..4769780259affc 100644 > --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h > +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h > @@ -612,7 +610,10 @@ struct arm_smmu_s2_cfg { > }; > > struct arm_smmu_strtab_cfg { > - __le64 *strtab; > + union { > + struct arm_smmu_ste *linear; > + __le64 *l1_desc; > + } strtab; > dma_addr_t strtab_dma; > struct arm_smmu_strtab_l1_desc *l1_desc; > unsigned int num_l1_ents; It looks like we have two "l1_desc" ptrs now in the same struct: strtab.l1_desc // raw level-1 descriptor memory l1_desc // SW array to store level-2 descriptor memory And it gets a bit more confusing that they even use the same error prints in arm_smmu_init_strtab_2lvl()... The "struct arm_smmu_strtab_l1_desc" seems to be only used at one place in arm_smmu_init_l2_strtab(). So, how about: struct arm_smmu_strtab_cfg { union { struct arm_smmu_ste *linear; __le64 *l1_desc; } strtab; dma_addr_t strtab_dma; struct arm_smmu_ste **l2ptrs; Thanks Nicolin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel