diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/hyperv_fb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index 4ff25dfc865d..3ce746a46179 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -1214,7 +1214,15 @@ static int hvfb_probe(struct hv_device *hdev, par->fb_ready = true; par->synchronous_fb = false; + + /* + * We need to be sure this panic notifier runs _before_ the + * vmbus disconnect, so order it by priority. It must execute + * before the function hv_panic_vmbus_unload() [drivers/hv/vmbus_drv.c], + * which is almost at the end of list, with priority = INT_MIN + 1. + */ par->hvfb_panic_nb.notifier_call = hvfb_on_panic; + par->hvfb_panic_nb.priority = INT_MIN + 10, atomic_notifier_chain_register(&panic_notifier_list, &par->hvfb_panic_nb); |