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virtio: VIRTIO_HARDEN_NOTIFICATION is broken 

commit ebe797f25f upstream.

This option doesn't really work and breaks too many drivers.
Not yet sure what's the right thing to do, for now
let's make sure randconfig isn't broken by this.

Fixes: c346dae4f3 ("virtio: disable notification hardening by default")
Cc: "Jason Wang" <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael S. Tsirkin 2022-06-30 15:10:57 -04:00 committed by Greg Kroah-Hartman
parent 5a6221c441
commit 3718ea0439
1 changed files with 2 additions and 1 deletions
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3
drivers/virtio/Kconfig
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@ -35,11 +35,12 @@ if VIRTIO_MENU
config VIRTIO_HARDEN_NOTIFICATION
bool "Harden virtio notification"
depends on BROKEN
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
Experimental: Note that several drivers still have issues 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.