On 09/05/2018 06:28 AM, Tiwei Bie wrote:
Deadlock can occur when allocating memory if a vhost-kernel
based virtio-user device is in use. To fix the deadlock,
we will take memory hotplug lock explicitly in virtio-user
when necessary, and always call the _thread_unsafe memory
functions.
Bugzilla ID: 81
Fixes: 12ecb2f63b12 ("net/virtio-user: support memory hotplug")
Cc: [email protected]
Reported-by: Seán Harte <[email protected]>
Signed-off-by: Tiwei Bie <[email protected]>
---
drivers/net/virtio/virtio_user/vhost_kernel.c | 6 +++++-
.../net/virtio/virtio_user/virtio_user_dev.c | 19 +++++++++++++++++++
2 files changed, 24 insertions(+), 1 deletion(-)
Reviewed-by: Maxime Coquelin <[email protected]>
Thanks,
Maxime
