vger.kernel.org; David S .
>> Miller ; Claudiu Manoil ;
>> Roy Pledge ; Vladimir Oltean
>> ; Camelia Alexandra Groza
>> ; Sean Anderson
>> Subject: [PATCH 1/2] soc: fsl: qbman: Always disable interrupts when taking
>> cgr_lock
>>
>> smp_call_functio
Pledge ; Vladimir Oltean
> ; Camelia Alexandra Groza
> ; Sean Anderson
> Subject: [PATCH 1/2] soc: fsl: qbman: Always disable interrupts when taking
> cgr_lock
>
> smp_call_function_single disables IRQs when executing the callback. To
> prevent deadlocks, we must disable IRQs when
smp_call_function_single disables IRQs when executing the callback. To
prevent deadlocks, we must disable IRQs when taking cgr_lock elsewhere.
This is already done by qman_update_cgr and qman_delete_cgr; fix the
other lockers.
Fixes: c535e923bb97 ("soc/fsl: Introduce DPAA 1.x QMan device driver")
