diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2025-05-12 11:27:31 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-05-15 15:23:31 +0200 |
| commit | 7fe70c06a182a140be9996b02256d907e114479a (patch) | |
| tree | d8b81af5c49aab013c0dcf8f39481929f8c8bf62 /include | |
| parent | 3af4cdd67f32529c177b885d4ca491710e961928 (diff) | |
net/sched: act_mirred: Move the recursion counter struct netdev_xmit
mirred_nest_level is a per-CPU variable and relies on disabled BH for its
locking. Without per-CPU locking in local_bh_disable() on PREEMPT_RT
this data structure requires explicit locking.
Move mirred_nest_level to struct netdev_xmit as u8, provide wrappers.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://patch.msgid.link/20250512092736.229935-11-bigeasy@linutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice_xmit.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/netdevice_xmit.h b/include/linux/netdevice_xmit.h index 38325e070296..848735b3a7c0 100644 --- a/include/linux/netdevice_xmit.h +++ b/include/linux/netdevice_xmit.h @@ -8,6 +8,9 @@ struct netdev_xmit { #ifdef CONFIG_NET_EGRESS u8 skip_txqueue; #endif +#if IS_ENABLED(CONFIG_NET_ACT_MIRRED) + u8 sched_mirred_nest; +#endif }; #endif |