Re: [PATCH rfcv1 4/8] iommu/arm-smmu-v3: Introduce a per-domain arm_smmu_invs array

Jason Gunthorpe
2025-09-08T15:51:53Z

On Sat, Sep 06, 2025 at 01:16:45AM -0700, Nicolin Chen wrote:
> > /*
> > * A sorted array allows batching invalidations together for fewer SYNCs.
> > * Also, ATS must follow the ASID/VMID invalidation SYNC.
> > */
> > sort_nonatomic(new_invs->inv, new_invs->num_invs,
> > sizeof(add_invs->inv[0]), arm_smmu_invs_cmp, NULL);
> > return new_invs;

This should be deleted, merge sort always makes sorted lists.

Jason