diff options
Diffstat (limited to 'drivers/iommu/amd/init.c')
| -rw-r--r-- | drivers/iommu/amd/init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 6e12a615117b..bdcf167b4afe 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -1849,8 +1849,11 @@ static int __init iommu_init_pci(struct amd_iommu *iommu) if (ret) return ret; - if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE)) + if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE)) { + pr_info("Using strict mode due to virtualization\n"); + iommu_set_dma_strict(); amd_iommu_np_cache = true; + } init_iommu_perf_ctr(iommu); |