> -----Original Message----- > From: Vitaly Kuznetsov [mailto:[email protected]] > Sent: Friday, June 3, 2016 3:15 AM > To: [email protected] > Cc: [email protected]; KY Srinivasan <[email protected]>; Haiyang > Zhang <[email protected]> > Subject: [PATCH] Drivers: hv: fix infinite wait when channel open timeouts > > vmbus_teardown_gpadl() can result in infinite wait when it is called > on 5 second timeout in vmbus_open(). The issue is caused by the fact > that gpadl teardown operation won't ever succeed for an opened channel > and the timeout isn't always enough. Increase the timeout to 15 seconds > and add sending CHANNELMSG_CLOSECHANNEL message on timeout to make > sure > the channel is closed. > > The other possible solution for the issue would be to remove the timeout > in vmbus_open() making our wait infinite.
I think removing the timeout in vmbus_open() maybe the safest solution since anything else is still racy. A timeout in vmbus_open() tells us nothing about the state of the channel. As a guest, we can trust the host to respond to our request. Regards, K. Y _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
