[v1] vfio queue

[PULL 20/41] intel_iommu: Enable host device when x-flts=on in scalable mode

Cédric Le Goater posted 41 patches 3 weeks, 6 days ago

Diff against v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v2 v2 v2 v2
Download mbox

Maintainers: Yi Liu <yi.l.liu@intel.com>, Eric Auger <eric.auger@redhat.com>, Zhenzhong Duan <zhenzhong.duan@intel.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Jason Wang <jasowang@redhat.com>, "Clément Mathieu--Drif" <clement.mathieu--drif@eviden.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, John Levon <john.levon@nutanix.com>, Thanos Makatos <thanos.makatos@nutanix.com>, "Cédric Le Goater" <clg@redhat.com>, Alex Williamson <alex@shazbot.org>, Magnus Kulke <magnus.kulke@linux.microsoft.com>, Wei Liu <wei.liu@kernel.org>, Cornelia Huck <cohuck@redhat.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>

There is a newer version of this series

Expand all Fold all

[PULL 20/41] intel_iommu: Enable host device when x-flts=on in scalable mode

Posted by Cédric Le Goater 3 weeks, 6 days ago

From: Zhenzhong Duan <zhenzhong.duan@intel.com>

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>
---
 hw/i386/intel_iommu_accel.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/hw/i386/intel_iommu_accel.c b/hw/i386/intel_iommu_accel.c
index 1f068005d8fa8b2161247e1e2386db5a60dbbdc5..250232b5a979e9b34d161fde554fd0c64b0cd3d9 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)
-- 
2.52.0