Hi!

> From: Duoming Zhou <duoming@zju.edu.cn>

>    (atomic context)
> dev_watchdog
>   qlcnic_tx_timeout
>     qlcnic_83xx_idc_request_reset
>       qlcnic_83xx_lock_driver
>         qlcnic_83xx_recover_driver_lock
>           msleep
> 
> Fix by changing msleep() to mdelay(), the mdelay() is
> busy-waiting and the bugs could be mitigated.

The mdelay is for 200 msec:

qlcnic_83xx_hw.h:#define QLC_83XX_DRV_LOCK_RECOVERY_DELAY 200

This may be an improvement, but spinning for 200 msec in atomic
context is not okay, I'm afraid.

Best regards,
                                                        Pavel


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