Gitweb: http://git.kernel.org/linus/7766a3fb905f0b078b05f5d6a6be8df4c64b9f51
Commit: 7766a3fb905f0b078b05f5d6a6be8df4c64b9f51
Parent: 85b98276f2ffa66b25ae6328b00bfadfd74b74e7
Author: David Woodhouse <David.Woodhouse@intel.com>
AuthorDate: Wed Jul 1 20:27:03 2009 +0100
Committer: David Woodhouse <David.Woodhouse@intel.com>
CommitDate: Wed Jul 1 20:27:03 2009 +0100
intel-iommu: Use cmpxchg64_local() for setting PTEs
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
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 2bbc3fc..2c1b2ba 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",
--
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