RE: [PATCH v2] dmaengine: idxd: avoid deadlock in process_misc_interrupts()

[Yu, Fenghua]

Hi, Jerry,

> I see another potential issue. If a software reset is attempted idxd_device_reinit()
> will be called which walks the wqs, and if a wq has the state
> IDXD_WQ_ENABLED it calls idxd_wq_enable(), but the first thing
> idxd_wq_enable() does is see that the state is IDXD_WQ_ENABLED and returns 0.
> Without the wq enable command being sent, it will not be re-enabled, yes?

Could you please describe how to reproduce the issues and test case?

Thanks.

-Fenghua