On Wed, Jan 20, 2021 at 7:01 AM Wei Liu <wei.liu@xxxxxxxxxx> wrote: > > The IOMMU code needs more work. We're sure for now the IRQ remapping > hooks are not applicable when Linux is the root partition. > > Signed-off-by: Wei Liu <wei.liu@xxxxxxxxxx> > Acked-by: Joerg Roedel <jroedel@xxxxxxx> > Reviewed-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > --- > drivers/iommu/hyperv-iommu.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-iommu.c > index 1d21a0b5f724..b7db6024e65c 100644 > --- a/drivers/iommu/hyperv-iommu.c > +++ b/drivers/iommu/hyperv-iommu.c > @@ -20,6 +20,7 @@ > #include <asm/io_apic.h> > #include <asm/irq_remapping.h> > #include <asm/hypervisor.h> > +#include <asm/mshyperv.h> > > #include "irq_remapping.h" > > @@ -122,7 +123,7 @@ static int __init hyperv_prepare_irq_remapping(void) > > if (!hypervisor_is_type(X86_HYPER_MS_HYPERV) || > x86_init.hyper.msi_ext_dest_id() || > - !x2apic_supported()) > + !x2apic_supported() || hv_root_partition) > return -ENODEV; Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
