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Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 1323cd80387..37a558a9615 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -3,6 +3,14 @@ const struct dma_mapping_ops *dma_ops; EXPORT_SYMBOL(dma_ops); +#ifdef CONFIG_IOMMU_DEBUG +int panic_on_overflow __read_mostly = 1; +int force_iommu __read_mostly = 1; +#else +int panic_on_overflow __read_mostly = 0; +int force_iommu __read_mostly = 0; +#endif + int dma_set_mask(struct device *dev, u64 mask) { if (!dev->dma_mask || !dma_supported(dev, mask)) |