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net: optimize napi_threaded_poll() vs RPS/RFS

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We use napi_threaded_poll() in order to reduce our softirq dependency.

We can add a followup of 821eba962d ("net: optimize napi_schedule_rps()")
to further remove the need of firing NET_RX_SOFTIRQ whenever
RPS/RFS are used.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2023-04-21 09:43:57 +00:00
committed by David S. Miller
parent a1aaee7f8f
commit 87eff2ec57
2 changed files with 13 additions and 2 deletions
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3
include/linux/netdevice.h
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@@ -3194,7 +3194,10 @@ struct softnet_data {
#ifdef CONFIG_RPS
struct softnet_data *rps_ipi_list;
#endif
bool in_net_rx_action;
bool in_napi_threaded_poll;
#ifdef CONFIG_NET_FLOW_LIMIT
struct sd_flow_limit __rcu *flow_limit;
#endif