In case a MAP notifier is attempted to be registered without caching mode, let's simply return an error. This latter now is handled in the VFIO code.
Signed-off-by: Eric Auger <[email protected]> --- hw/i386/intel_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 7a89ea9ba1..2f66d6882c 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2931,7 +2931,7 @@ static int vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu, if (!s->caching_mode && new & IOMMU_NOTIFIER_MAP) { error_report("We need to set caching-mode=on for intel-iommu to enable " "device assignment with IOMMU protection."); - exit(1); + return -EINVAL; } /* Update per-address-space notifier flags */ -- 2.20.1
