[PATCH v2] ath10k: add flag to protect napi operation to avoid dead loop hang for SDIO

Wen Gong wgong at codeaurora.org
Mon Aug 24 05:39:58 EDT 2020


On 2020-08-24 16:35, Krishna Chaitanya wrote:
> On Mon, Aug 24, 2020 at 10:03 AM Wen Gong <wgong at codeaurora.org> wrote:
>> 
>> It happened "Kernel panic - not syncing: hung_task: blocked tasks" 
>> when
>> test simulate crash and ifconfig down/rmmod meanwhile.
>> 
...
>> 
>>  #ifdef CONFIG_PM
> Even though your DUT is SDIO based we should be doing this in general
> for all, no?
> core_restart + hif_stop is common to all.
this patch does not have core_restart.
I dit not hit the issue for others bus(PCIe,SNOC...), so I can not 
change them with a
assumption they also have this issue.



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