lttng-modules: Update to revision to 16d7431c3

This update the source code to the 2.5.2 version and also brings two
fixes from stable-2.5 branch. The update also allowed the removal of
some already applied patches from the metadata.

Doing this update, it fixes following build error:

,----
| make[1]: Entering directory `.../build-framebuffer/tmp/sysroots/imx23evk/usr/src/kernel'
|
|   ERROR: Kernel configuration is invalid.
|          include/generated/autoconf.h or include/config/auto.conf are missing.
|          Run 'make oldconfig && make prepare' on kernel src to fix it.
|
|   Building modules, stage 2.
| ./scripts/Makefile.modpost:42: include/config/auto.conf: No such file or directory
| make[2]: *** No rule to make target `include/config/auto.conf'.  Stop.
| make[1]: *** [modules] Error 2
| make[1]: Leaving directory `.../build-framebuffer/tmp/sysroots/imx23evk/usr/src/kernel'
| make: *** [default] Error 2
`----

(From OE-Core rev: e575ab81f0cf145503c4afd9ce62040721a526b2)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 0 insertions, 70 deletions

diff --git a/meta/recipes-kernel/lttng/lttng-modules/Update-statedump-to-3.17-nsproxy-locking.patch b/meta/recipes-kernel/lttng/lttng-modules/Update-statedump-to-3.17-nsproxy-locking.patch
deleted file mode 100644
index 0f18c8a3e6..0000000000
--- a/meta/recipes-kernel/lttng/lttng-modules/Update-statedump-to-3.17-nsproxy-locking.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-Upstream-Status: Backport
-Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
-
-From 4ba1f53c5aebb4433fedc25d65af010274985043 Mon Sep 17 00:00:00 2001
-From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
-Date: Thu, 21 Aug 2014 10:53:12 -0400
-Subject: [PATCH 2/3] Update statedump to 3.17 nsproxy locking
-
-This Linux upstream commit introduces locking strategy back and forth:
-
-commit 728dba3a39c66b3d8ac889ddbe38b5b1c264aec3
-Author: Eric W. Biederman <ebiederm@xmission.com>
-Date:   Mon Feb 3 19:13:49 2014 -0800
-
-    namespaces: Use task_lock and not rcu to protect nsproxy
-
-Use the task lock starting from kernel 3.17 rather than RCU to access
-the task nsproxy.
-
-Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
----
- lttng-statedump-impl.c | 15 +++++++++++++++
- 1 file changed, 15 insertions(+)
-
-diff --git a/lttng-statedump-impl.c b/lttng-statedump-impl.c
-index dad51ddaa250..e4caa488e436 100644
---- a/lttng-statedump-impl.c
-+++ b/lttng-statedump-impl.c
-@@ -378,6 +378,9 @@ int lttng_list_interrupts(struct lttng_session *session)
- }
- #endif
- 
-+/*
-+ * Called with task lock held.
-+ */
- static
- void lttng_statedump_process_ns(struct lttng_session *session,
-                struct task_struct *p,
-@@ -389,8 +392,18 @@ void lttng_statedump_process_ns(struct lttng_session *session,
-        struct nsproxy *proxy;
-        struct pid_namespace *pid_ns;
- 
-+       /*
-+        * Back and forth on locking strategy within Linux upstream for nsproxy.
-+        * See Linux upstream commit 728dba3a39c66b3d8ac889ddbe38b5b1c264aec3
-+        * "namespaces: Use task_lock and not rcu to protect nsproxy"
-+        * for details.
-+        */
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0))
-        rcu_read_lock();
-        proxy = task_nsproxy(p);
-+#else /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)) */
-+       proxy = p->nsproxy;
-+#endif /* #else #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)) */
-        if (proxy) {
-                pid_ns = lttng_get_proxy_pid_ns(proxy);
-                do {
-@@ -402,7 +415,9 @@ void lttng_statedump_process_ns(struct lttng_session *session,
-                trace_lttng_statedump_process_state(session,
-                        p, type, mode, submode, status, NULL);
-        }
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0))
-        rcu_read_unlock();
-+#endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)) */
- }
- 
- static
--- 
-1.8.1.2
-