On 26-06-20, 11:11, Dave Jiang wrote: > Add wq drain support. When a wq is being released, it needs to wait for > all in-flight operation to complete. A device control function > idxd_wq_drain() has been added to facilitate this. A wq drain call > is added to the char dev on release to make sure all user operations are > complete. A wq drain is also added before the wq is being disabled. > > A drain command can take an unpredictable period of time. Interrupt support > for device commands is added to allow waiting on the command to > finish. If a previous command is in progress, the new submitter can block > until the current command is finished before proceeding. The interrupt > based submission will submit the command and then wait until a command > completion interrupt happens to complete. All commands are moved to the > interrupt based command submission except for the device reset during > probe, which will be polled. Applied, thanks -- ~Vinod
