Re: [PATCH 07/16] virtio-blk: drop config_mutex

2014-10-06 Thread Cornelia Huck
On Sun, 5 Oct 2014 19:07:10 +0300 "Michael S. Tsirkin" wrote: > config_mutex served two purposes: prevent multiple concurrent config > change handlers, and synchronize access to config_enable flag. > > Since commit dbf2576e37da0fcc7aacbfbb9fd5d3de7888a3c1 > workqueue: make all workqueues non

[PATCH 07/16] virtio-blk: drop config_mutex

2014-10-05 Thread Michael S. Tsirkin
config_mutex served two purposes: prevent multiple concurrent config change handlers, and synchronize access to config_enable flag. Since commit dbf2576e37da0fcc7aacbfbb9fd5d3de7888a3c1 workqueue: make all workqueues non-reentrant all workqueues are non-reentrant, and config_enable is now gone