diff options
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index ff964960e06..23fc9fe1625 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1230,9 +1230,10 @@ static void __detach_device(struct protection_domain *domain, u16 devid) /* * If we run in passthrough mode the device must be assigned to the - * passthrough domain if it is detached from any other domain + * passthrough domain if it is detached from any other domain. + * Make sure we can deassign from the pt_domain itself. */ - if (iommu_pass_through) { + if (iommu_pass_through && domain != pt_domain) { struct amd_iommu *iommu = amd_iommu_rlookup_table[devid]; __attach_device(iommu, pt_domain, devid); } |