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03df156dd3
Protect xdp_features with netdev->lock. This way pure readers no longer have to take rtnl_lock to access the field. This includes calling NETDEV_XDP_FEAT_CHANGE under the lock. Looks like that's fine for bonding, the only "real" listener, it's the same as ethtool feature change. In terms of normal drivers - only GVE need special consideration (other drivers don't use instance lock or don't support XDP). It calls xdp_set_features_flag() helper from gve_init_priv() which in turn is called from gve_reset_recovery() (locked), or prior to netdev registration. So switch to _locked. Reviewed-by: Joe Damato <jdamato@fastly.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Acked-by: Harshitha Ramamurthy <hramamurthy@google.com> Acked-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250408195956.412733-6-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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