From 46506da5f365efe7fe3e4c9da73ab679c0382fac Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 15 Jan 2015 16:06:26 +0200 Subject: virtio_pci: add an option to disable legacy driver Useful for testing device virtio 1 compatibility. Based on patch by Rusty - couldn't resist putting that flying car joke in there! Signed-off-by: Michael S. Tsirkin Signed-off-by: Rusty Russell --- drivers/virtio/Kconfig | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/virtio/Kconfig') diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index 083fb45950f5..b546da5d8ea3 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -19,6 +19,25 @@ config VIRTIO_PCI If unsure, say M. +config VIRTIO_PCI_LEGACY + bool "Support for legacy virtio draft 0.9.X and older devices" + default y + depends on VIRTIO_PCI + ---help--- + Virtio PCI Card 0.9.X Draft (circa 2014) and older device support. + + This option enables building a transitional driver, supporting + both devices conforming to Virtio 1 specification, and legacy devices. + If disabled, you get a slightly smaller, non-transitional driver, + with no legacy compatibility. + + So look out into your driveway. Do you have a flying car? If + so, you can happily disable this option and virtio will not + break. Otherwise, leave it set. Unless you're testing what + life will be like in The Future. + + If unsure, say Y. + config VIRTIO_BALLOON tristate "Virtio balloon driver" depends on VIRTIO -- cgit v1.2.3