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net: napi_schedule_rps() cleanup

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napi_schedule_rps() return value is ignored, remove it.

Change the comment to clarify the intent.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Tested-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Eric Dumazet 2023-03-28 23:50:18 +00:00 committed by Paolo Abeni
parent 7079d5e61a
commit 8fcb76b934
1 changed files with 12 additions and 6 deletions
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18
net/core/dev.c
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@ -4582,11 +4582,18 @@ static void trigger_rx_softirq(void *data)
}
/*
* Check if this softnet_data structure is another cpu one
* If yes, queue it to our IPI list and return 1
* If no, return 0
* After we queued a packet into sd->input_pkt_queue,
* we need to make sure this queue is serviced soon.
*
* - If this is another cpu queue, link it to our rps_ipi_list,
* and make sure we will process rps_ipi_list from net_rx_action().
* As we do not know yet if we are called from net_rx_action(),
* we have to raise NET_RX_SOFTIRQ. This might change in the future.
*
* - If this is our own queue, NAPI schedule our backlog.
* Note that this also raises NET_RX_SOFTIRQ.
*/
static int napi_schedule_rps(struct softnet_data *sd)
static void napi_schedule_rps(struct softnet_data *sd)
{
struct softnet_data *mysd = this_cpu_ptr(&softnet_data);
@ -4596,11 +4603,10 @@ static int napi_schedule_rps(struct softnet_data *sd)
mysd->rps_ipi_list = sd;
__raise_softirq_irqoff(NET_RX_SOFTIRQ);
return 1;
return;
}
#endif /* CONFIG_RPS */
__napi_schedule_irqoff(&mysd->backlog);
return 0;
}
#ifdef CONFIG_NET_FLOW_LIMIT