6.15-stable review patch. If anyone has any objections, please let me know.
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From: Jason Gunthorpe jgg@nvidia.com
[ Upstream commit 5c3687d5789cfff8d285a2c76bceb47f145bf01f ]
The NID is used to control which NUMA node memory for the page table is allocated it from. It should be a permanent property of the page table when it was allocated and not change during attach/detach of devices.
Reviewed-by: Wei Wang wei.w.wang@intel.com Reviewed-by: Kevin Tian kevin.tian@intel.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Link: https://lore.kernel.org/r/3-v3-dbbe6f7e7ae3+124ffe-vtd_prep_jgg@nvidia.com Signed-off-by: Lu Baolu baolu.lu@linux.intel.com Fixes: 7c204426b818 ("iommu/vt-d: Add domain_alloc_paging support") Link: https://lore.kernel.org/r/20250714045028.958850-6-baolu.lu@linux.intel.com Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/intel/iommu.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index ff07ee2940f5..024fb7c36d88 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1440,7 +1440,6 @@ void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu) if (--info->refcnt == 0) { clear_bit(info->did, iommu->domain_ids); xa_erase(&domain->iommu_array, iommu->seq_id); - domain->nid = NUMA_NO_NODE; kfree(info); } spin_unlock(&iommu->lock);