virtio: disable notification hardening by default

[sfrench/cifs-2.6.git] / drivers / virtio / Kconfig

diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index a6dc8b5846fe71758be036c44d184ebca72643c3..e1556d2a355ae0147a7f8db1c0a15243800d0c98 100644 (file)
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -29,6 +29,19 @@ menuconfig VIRTIO_MENU
 
 if VIRTIO_MENU
 
+config VIRTIO_HARDEN_NOTIFICATION
+        bool "Harden virtio notification"
+        help
+          Enable this to harden the device notifications and suppress
+          those that happen at a time where notifications are illegal.
+
+          Experimental: Note that several drivers still have bugs that
+          may cause crashes or hangs when correct handling of
+          notifications is enforced; depending on the subset of
+          drivers and devices you use, this may or may not work.
+
+          If unsure, say N.
+
 config VIRTIO_PCI
        tristate "PCI driver for virtio devices"
        depends on PCI