From: Joao Martins <[email protected]> The intent behind the x-device-dirty-page-tracking option is twofold:
1) development/testing in the presence of VFs with VF dirty page tracking 2) deliberately choosing platform dirty tracker over the VF one. Item 2) scenario is useful when VF dirty tracker is not as fast as IOMMU, or there's some limitations around it (e.g. number of them is limited; aggregated address space under tracking is limited), efficiency/scalability (e.g. 1 pagetable in IOMMU dirty tracker to scan vs N VFs) or just troubleshooting. Given item 2 it is not restricted to debugging, hence drop the debug parenthesis from the option description. Signed-off-by: Joao Martins <[email protected]> Reviewed-by: Cédric Le Goater <[email protected]> Link: https://lore.kernel.org/qemu-devel/[email protected] [ clg: Fixed subject spelling ] Signed-off-by: Cédric Le Goater <[email protected]> --- hw/vfio/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 3cb7806f2f219174ffb7d28595e9430b41ee40ae..7f1532fbed9aed2eae2c98f6fd79a9056ff1e84f 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -3532,7 +3532,7 @@ static void vfio_pci_dev_class_init(ObjectClass *klass, void *data) object_class_property_set_description(klass, /* 9.1 */ "x-device-dirty-page-tracking", "Disable device dirty page tracking and use " - "container-based dirty page tracking (DEBUG)"); + "container-based dirty page tracking"); object_class_property_set_description(klass, /* 9.1 */ "migration-events", "Emit VFIO migration QAPI event when a VFIO device " -- 2.48.1
