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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-07-01 21:27:03 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-07-01 21:27:03 +0200 |
| commit | 7766a3fb905f0b078b05f5d6a6be8df4c64b9f51 (patch) | |
| tree | 57345b5cf47f50cdc3ba09f4746834e77d22817e /drivers/pci | |
| parent | intel-iommu: Warn about unmatched unmap requests (diff) | |
| download | linux-7766a3fb905f0b078b05f5d6a6be8df4c64b9f51.tar.xz linux-7766a3fb905f0b078b05f5d6a6be8df4c64b9f51.zip | |
intel-iommu: Use cmpxchg64_local() for setting PTEs
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 2bbc3fc88dc9..2c1b2babfdc5 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -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", |