diff options
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 9aa135d4453..a8e74c34dd2 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1141,6 +1141,15 @@ static void __detach_device(struct protection_domain *domain, u16 devid) /* ready */ spin_unlock(&domain->lock); + + /* + * If we run in passthrough mode the device must be assigned to the + * passthrough domain if it is detached from any other domain + */ + if (iommu_pass_through) { + struct amd_iommu *iommu = amd_iommu_rlookup_table[devid]; + __attach_device(iommu, pt_domain, devid); + } } /* |