That's never a good place to stop QEMU process... Since now we have both the machine done sanity check and also the hotplug handler, we can safely remove this to avoid that.
Reviewed-by: Eric Auger <eric.au...@redhat.com> Signed-off-by: Peter Xu <pet...@redhat.com> --- hw/i386/intel_iommu.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index bed8ffe446..f1de8fdb75 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2936,10 +2936,6 @@ static void vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu, VTDAddressSpace *vtd_as = container_of(iommu, VTDAddressSpace, iommu); IntelIOMMUState *s = vtd_as->iommu_state; - if (!s->caching_mode && new & IOMMU_NOTIFIER_MAP) { - vtd_panic_require_caching_mode(); - } - /* Update per-address-space notifier flags */ vtd_as->notifier_flags = new; -- 2.21.0