Re: [PATCH] iommu/arm-smmu-v3: Change vmid alloc strategy from bitmap to ida

[Will Deacon]

On Sun, 16 Jul 2023 00:16:21 +0800, Dawei Li wrote:
> For current implementation of vmid allocation of arm smmu-v3, a per-smmu
> devide bitmap of 64K bits(8K bytes) is allocated on behalf of possible VMID
> range, which is two pages for some architectures. Besides that, its memory
> consumption is 'static', despite of how many VMIDs are allocated actually.
> 
> That's memory inefficient and lack of scalability.
> 
> [...]

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/1] iommu/arm-smmu-v3: Change vmid alloc strategy from bitmap to ida
      https://git.kernel.org/will/c/1672730cffaf

Cheers,
-- 
Will

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