If we try to use the intel-iommu device with vfio-pci devices without
caching mode enabled, we're told:
qemu-system-x86_64: We need to set caching-mode=1 for intel-iommu to enable
device assignment with IOMMU protection.
But to enable caching mode, the option is actually "caching-mode=on".
Signed-off-by: Alex Williamson <address@hidden>
---
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 b90de6c66461..b62badd4f08d 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2919,7 +2919,7 @@ static void
vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
IntelIOMMUState *s = vtd_as->iommu_state;
if (!s->caching_mode && new & IOMMU_NOTIFIER_MAP) {
- error_report("We need to set caching-mode=1 for intel-iommu to enable "
+ error_report("We need to set caching-mode=on for intel-iommu to enable
"
"device assignment with IOMMU protection.");
exit(1);
}