diff options
| author | Kuniyuki Iwashima <kuniyu@google.com> | 2025-10-29 17:33:04 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-03 17:40:53 -0800 |
| commit | e833eb25161aae6cd0caf14782f405d0ed5765ed (patch) | |
| tree | 42ab8ae6e1b2bbfe964787f93f23b07726768a95 /include | |
| parent | fb2b77b9b1dbd90cf7db5580b15df40a20b42bd8 (diff) | |
mpls: Protect net->mpls.platform_label with a per-netns mutex.
MPLS (re)uses RTNL to protect net->mpls.platform_label,
but the lock does not need to be RTNL at all.
Let's protect net->mpls.platform_label with a dedicated
per-netns mutex.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Link: https://patch.msgid.link/20251029173344.2934622-13-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netns/mpls.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/netns/mpls.h b/include/net/netns/mpls.h index 19ad2574b267..6682e51513ef 100644 --- a/include/net/netns/mpls.h +++ b/include/net/netns/mpls.h @@ -16,6 +16,7 @@ struct netns_mpls { int default_ttl; size_t platform_labels; struct mpls_route __rcu * __rcu *platform_label; + struct mutex platform_mutex; struct ctl_table_header *ctl; }; |