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Commit 7766a3fb authored by David Woodhouse's avatar David Woodhouse
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intel-iommu: Use cmpxchg64_local() for setting PTEs 

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 85b98276
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drivers/pci/intel-iommu.c
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......@@ -1682,7 +1682,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
/* We don't need lock here, nobody else
* touches the iova range
*/
tmp = cmpxchg64(&pte->val, 0ULL, pteval);
tmp = cmpxchg64_local(&pte->val, 0ULL, pteval);
if (tmp) {
static int dumps = 5;
printk(KERN_CRIT "ERROR: DMA PTE for vPFN 0x%lx already set (to %llx not %llx)\n",
......
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