intel-iommu: Use cmpxchg64_local() for setting PTEs
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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@ -1682,7 +1682,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
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/* We don't need lock here, nobody else
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* touches the iova range
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*/
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tmp = cmpxchg64(&pte->val, 0ULL, pteval);
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tmp = cmpxchg64_local(&pte->val, 0ULL, pteval);
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if (tmp) {
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static int dumps = 5;
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printk(KERN_CRIT "ERROR: DMA PTE for vPFN 0x%lx already set (to %llx not %llx)\n",
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