[PATCH] nvme: requeue aen after firmware activation

[Sagi Grimberg]

On 9/1/22 18:30, Keith Busch wrote:
> From: Keith Busch <kbusch at kernel.org>
> 
> The driver prevents async event work while handling a processing paused
> event, but someone needs to restart it after the controller returns to a
> live state.
> 
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=216400
> Signed-off-by: Keith Busch <kbusch at kernel.org>
> ---
>   drivers/nvme/host/core.c | 14 +++++++++++---
>   1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index af367b22871b..66446f1e06cf 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -4703,6 +4703,8 @@ static void nvme_fw_act_work(struct work_struct *work)
>   	nvme_start_queues(ctrl);
>   	/* read FW slot information to clear the AER */
>   	nvme_get_fw_slot_info(ctrl);
> +
> +	queue_work(nvme_wq, &ctrl->async_event_work);

Why is the rest below needed? why is this not enough? Also a code
comment would help here...