IR has been there for a long time and long time no bug reported. Let's turn it on by default to match general hardwares. Providing compatibility bit for QEMU<=3.1.
Signed-off-by: Peter Xu <pet...@redhat.com> --- hw/i386/x86-iommu.c | 2 +- include/hw/i386/pc.h | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c index abc3c03158..0150ceda14 100644 --- a/hw/i386/x86-iommu.c +++ b/hw/i386/x86-iommu.c @@ -135,7 +135,7 @@ static void x86_iommu_realize(DeviceState *dev, Error **errp) } static Property x86_iommu_properties[] = { - DEFINE_PROP_BOOL("intremap", X86IOMMUState, intr_supported, false), + DEFINE_PROP_BOOL("intremap", X86IOMMUState, intr_supported, true), DEFINE_PROP_BOOL("device-iotlb", X86IOMMUState, dt_supported, false), DEFINE_PROP_BOOL("pt", X86IOMMUState, pt_supported, true), DEFINE_PROP_END_OF_LIST(), diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index c7c0c944e8..ed958b9af1 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -300,6 +300,10 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); .driver = "intel-iommu",\ .property = "dma-drain",\ .value = "off",\ + },{\ + .driver = "x86-iommu",\ + .property = "intremap",\ + .value = "off",\ }, #define PC_COMPAT_3_0 \ -- 2.17.1