diff options
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 34e619318f64..51d60bad0b1d 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1770,15 +1770,13 @@ static void free_dmar_iommu(struct intel_iommu *iommu) /* * Check and return whether first level is used by default for - * DMA translation. Currently, we make it off by setting - * first_level_support = 0, and will change it to -1 after all - * map/unmap paths support first level page table. + * DMA translation. */ static bool first_level_by_default(void) { struct dmar_drhd_unit *drhd; struct intel_iommu *iommu; - static int first_level_support = 0; + static int first_level_support = -1; if (likely(first_level_support != -1)) return first_level_support; |