linux-kernelorg-stable/drivers/net/netdevsim
Jakub Kicinski 1264971017 net: drv: netdevsim: don't napi_complete() from netpoll
netdevsim supports netpoll. Make sure we don't call napi_complete()
from it, since it may not be scheduled. Breno reports hitting a
warning in napi_complete_done():

WARNING: CPU: 14 PID: 104 at net/core/dev.c:6592 napi_complete_done+0x2cc/0x560
  __napi_poll+0x2d8/0x3a0
  handle_softirqs+0x1fe/0x710

This is presumably after netpoll stole the SCHED bit prematurely.

Reported-by: Breno Leitao <leitao@debian.org>
Fixes: 3762ec05a9 ("netdevsim: add NAPI support")
Tested-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250611174643.2769263-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-12 08:11:52 -07:00
..
Makefile
bpf.c netdevsim: 'support' multi-buf XDP 2025-03-12 13:39:59 -07:00
bus.c
dev.c
ethtool.c net: ethtool: try to protect all callback with netdev instance lock 2025-03-06 12:59:44 -08:00
fib.c
health.c
hwstats.c
ipsec.c xfrm: Add explicit dev to .xdo_dev_state_{add,delete,free} 2025-04-16 11:01:41 +02:00
macsec.c
netdev.c net: drv: netdevsim: don't napi_complete() from netpoll 2025-06-12 08:11:52 -07:00
netdevsim.h netdevsim: add dummy device notifiers 2025-04-03 15:32:08 -07:00
psample.c
udp_tunnels.c