From: Zhenzhong Duan <zhenzhong.duan@intel.com>
Date: Tue, 6 Jan 2026 06:13:00 +0000 (-0500)
Subject: intel_iommu: Enable host device when x-flts=on in scalable mode
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0163f43195a8ae6c0f9b5d795548477425de23d;p=thirdparty%2Fqemu.git

intel_iommu: Enable host device when x-flts=on in scalable mode

Now that all infrastructures of supporting passthrough device running
with first stage translation are there, enable it now.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20260106061304.314546-19-zhenzhong.duan@intel.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---

diff --git a/hw/i386/intel_iommu_accel.c b/hw/i386/intel_iommu_accel.c
index 1f068005d8..250232b5a9 100644
--- a/hw/i386/intel_iommu_accel.c
+++ b/hw/i386/intel_iommu_accel.c
@@ -47,9 +47,7 @@ bool vtd_check_hiod_accel(IntelIOMMUState *s, VTDHostIOMMUDevice *vtd_hiod,
         return false;
     }
 
-    error_setg(errp,
-               "host IOMMU is incompatible with guest first stage translation");
-    return false;
+    return true;
 }
 
 VTDHostIOMMUDevice *vtd_find_hiod_iommufd(VTDAddressSpace *as)