[RFC]: can-next 2021-06-21: try to fix softirq error from threaded IRQs

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To: linux-can@xxxxxxxxxxxxxxx
Subject: [RFC]: can-next 2021-06-21: try to fix softirq error from threaded IRQs
From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Date: Mon, 21 Jun 2021 14:34:28 +0200
Cc: kernel@xxxxxxxxxxxxxx, Fabio Estevam <festevam@xxxxxxxxx>

Hello,

this series tries to fix the softirq error which occurs if NAPI is
scheduled from threaded IRQ context [1][2]. Also it fixes a RX-before-TX
problem seen on the mcp251xfd driver.

regards,
Marc

[1] https://lore.kernel.org/r/20210310064626.GA11893@xxxxxxxxxxxxxxx
[2] http://lore.kernel.org/r/CAOMZO5AMP537Qz1MAb-D_27C=WH-5Cf602hichxty95A6db9-A@xxxxxxxxxxxxxx

Follow-Ups:
- Re: [RFC]: can-next 2021-06-21: try to fix softirq error from threaded IRQs
  - From: Oleksij Rempel
- Re: [RFC]: can-next 2021-06-21: try to fix softirq error from threaded IRQs
  - From: Marc Kleine-Budde
- [can-next-rfc 8/8] imx6dl-riotboard-can: added
  - From: Marc Kleine-Budde
- [can-next-rfc 5/8] can: ti_hecc: convert to can_rx_offload_irq_finish()
  - From: Marc Kleine-Budde
- [can-next-rfc 6/8] can: rx-offload: can_rx_offload_schedule(): remove function
  - From: Marc Kleine-Budde
- [can-next-rfc 7/8] can: can_rx_offload_threaded_irq_finish(): add
  - From: Marc Kleine-Budde
- [can-next-rfc 4/8] can: m_can: convert to can_rx_offload_irq_finish()
  - From: Marc Kleine-Budde
- [can-next-rfc 3/8] can: mcp251xfd: convert to can_rx_offload_irq_finish()
  - From: Marc Kleine-Budde
- [can-next-rfc 1/8] can: rx-offload: add skb queue for use during ISR
  - From: Marc Kleine-Budde
- [can-next-rfc 2/8] can: flexcan: convert to can_rx_offload_irq_finish()
  - From: Marc Kleine-Budde

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