Thread (35 messages) flat view 35 messages, 3 authors, 14d ago

Re: [PATCH v9 07/12] iommu/arm-smmu-v3-kexec: Add ASID/VMID reservation helpers

From: Nicolin Chen <hidden>
Date: 2026-08-22 18:52:58
Also in: linux-iommu, lkml

On Fri, Aug 21, 2026 at 08:15:26PM -0300, Jason Gunthorpe wrote:
quoted
+/**
+ * arm_smmu_kexec_unresv_ids() - Roll back a failing reservation scan
+ * @smmu: SMMU device of this kernel that failed its reservation scan
And wouldn't need this either.

Actually I think this is overkill regardless, just leave the xarray with ASIDs
reserved. Who cares?
ASID might be 8-bit that would have limited ASID slots. And it's
a quite small step, so I think it might be worth keeping it.

Thanks
Nicolin
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