diff options
Diffstat (limited to 'drivers/iommu/intel/iommu.c')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index c4847a5aaf52..dd61bb554aa7 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1272,7 +1272,9 @@ static void __iommu_flush_context(struct intel_iommu *iommu, | DMA_CCMD_SID(source_id) | DMA_CCMD_FM(function_mask); break; default: - BUG(); + pr_warn("%s: Unexpected context-cache invalidation type 0x%llx\n", + iommu->name, type); + return; } val |= DMA_CCMD_ICC; @@ -1308,7 +1310,9 @@ static void __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did, val_iva = size_order | addr; break; default: - BUG(); + pr_warn("%s: Unexpected iotlb invalidation type 0x%llx\n", + iommu->name, type); + return; } /* Note: set drain read/write */ #if 0 @@ -1483,7 +1487,8 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, uint64_t addr = (uint64_t)pfn << VTD_PAGE_SHIFT; u16 did = domain_id_iommu(domain, iommu); - BUG_ON(pages == 0); + if (WARN_ON(!pages)) + return; if (ih) ih = 1 << 6; |