1 files changed, 57 insertions, 0 deletions

diff --git a/meta/recipes-kernel/lttng/lttng-modules/0004-Fix-dev_base_lock-removed-in-linux-6.9-rc1.patch b/meta/recipes-kernel/lttng/lttng-modules/0004-Fix-dev_base_lock-removed-in-linux-6.9-rc1.patch
new file mode 100644
index 0000000000..59ef4f9313
--- /dev/null
+++ b/meta/recipes-kernel/lttng/lttng-modules/0004-Fix-dev_base_lock-removed-in-linux-6.9-rc1.patch
@@ -0,0 +1,57 @@
+From 217bc2e4685050dddce9bdd2557b64f6b8c16622 Mon Sep 17 00:00:00 2001
+From: Kienan Stewart <kstewart@efficios.com>
+Date: Mon, 25 Mar 2024 10:53:46 -0400
+Subject: [PATCH 4/4] Fix: dev_base_lock removed in linux 6.9-rc1
+
+See upstream commit:
+
+    commit 1b3ef46cb7f2618cc0b507393220a69810f6da12
+    Author: Eric Dumazet <edumazet@google.com>
+    Date:   Tue Feb 13 06:32:45 2024 +0000
+
+        net: remove dev_base_lock
+
+        dev_base_lock is not needed anymore, all remaining users also hold RTNL.
+
+Upstream-Status: Backport [52eb2ee9 Fix: dev_base_lock removed in linux 6.9-rc1]
+
+Change-Id: I6b07e6eed07fd398302ca14d23162ed24d74df15
+Signed-off-by: Kienan Stewart <kstewart@efficios.com>
+Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+---
+ src/lttng-statedump-impl.c | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+Index: lttng-modules-2.13.12/src/lttng-statedump-impl.c
+===================================================================
+--- lttng-modules-2.13.12.orig/src/lttng-statedump-impl.c
++++ lttng-modules-2.13.12/src/lttng-statedump-impl.c
+@@ -392,6 +392,20 @@ void lttng_enumerate_device(struct lttng
+        }
+ }
+ 
++#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0))
++static
++int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)
++{
++       struct net_device *dev;
++
++       rtnl_lock();
++       for_each_netdev(&init_net, dev)
++               lttng_enumerate_device(session, dev);
++       rtnl_unlock();
++
++       return 0;
++}
++#else
+ static
+ int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)
+ {
+@@ -404,6 +418,7 @@ int lttng_enumerate_network_ip_interface
+ 
+        return 0;
+ }
++#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0)) */
+ #else /* CONFIG_INET */
+ static inline
+ int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)