This fixes a deadlock with vhost reported in the field, as well as a theoretical race issue found by code review.
Patches 1+2 are needed for stable. Thanks to Qin Chuanyu for reporting the issue! Michael S. Tsirkin (3): kref: add kref_sub_return vhost: fix ref cnt checking deadlock vhost: fix a theoretical race in device cleanup include/linux/kref.h | 33 ++++++++++++++++++++++++++++++++- drivers/vhost/net.c | 15 ++++++++++----- 2 files changed, 42 insertions(+), 6 deletions(-) -- MST _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
