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SubjectRe: [PATCH v3 1/7] iommu/arm-smmu-v3: Introduce SMMU option PAGE0_REGS_ONLY for ThunderX2 errata #74
On 08.05.17 10:59:46, Robin Murphy wrote:
> On 08/05/17 10:17, Linu Cherian wrote:
> > This actually results in more lines of changes. If you think the below
> > approach is still better, will post a V4 of this series with this change.
>
> Why not just do this?:
>
> static inline unsigned long page1_offset_adjust(
> unsigned long off, struct arm_smmu_device *smmu)
> {
> if (off > SZ_64K && ARM_SMMU_PAGE0_REGS_ONLY(smmu))
> return (off - SZ_64K);
>
> return off;
> }
>
> AFAICS that should be the least disruptive way to go about it.

Yeah, let's go with this.

Thanks Robin,

-Robert

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