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SubjectRe: [PATCH v2] iommu/iova: Optimize alloc_iova with rbtree_augmented
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> This patch seems to solve the performance issues i have.  Currently my 
> nic's rx performance is unstable in large-capacity scenarios. I applied
> this patch to 5.19 rc4 and tested 8 times rx performance in these
> scenes. Here are test results, "before" row is the result of 5.19 rc4.
> "after" row means 5.19 rc4 with this patch, the unit is Mbits/s
>
>     1    2    3    4    5    6    7    8
> before    55430    76701    84194    77560    88292    90106    87770
> 77273
> after    92770    92767    92792    92764    92742    92696    92781
> 92756
>
> Obviously, after using this patch, the performance is stable.

Thank you for your test. Can you add a "Tested-by" token?
I plan to update the commit message in the next version.

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