On Tue, 6 Aug 2019 10:00:52 +0800, Jiangfeng Xiao wrote:
> If hip04_tx_reclaim is interrupted while it is running, and then
> __irq_svc->gic_handle_irq->hip04_mac_interrupt->__napi_schedule->hip04_rx_poll->hip04_tx_reclaim
Ah right, obviously you can't do stuff after napi_complete_done(),
that ma
On 2019/8/6 8:46, Jakub Kicinski wrote:
> On Sat, 3 Aug 2019 20:31:39 +0800, Jiangfeng Xiao wrote:
>> If hip04_tx_reclaim is interrupted while it is running
>> and then __napi_schedule continues to execute
>> hip04_rx_poll->hip04_tx_reclaim, reentrancy occurs
>> and oops is generated. So you need
On Sat, 3 Aug 2019 20:31:39 +0800, Jiangfeng Xiao wrote:
> If hip04_tx_reclaim is interrupted while it is running
> and then __napi_schedule continues to execute
> hip04_rx_poll->hip04_tx_reclaim, reentrancy occurs
> and oops is generated. So you need to mask the interrupt
> during the hip04_tx_rec
If hip04_tx_reclaim is interrupted while it is running
and then __napi_schedule continues to execute
hip04_rx_poll->hip04_tx_reclaim, reentrancy occurs
and oops is generated. So you need to mask the interrupt
during the hip04_tx_reclaim run.
The kernel oops exception stack is as follows:
Unable t
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