lttng: add 5.x fixup patches to 2.10.8 release

lttng hasn't released 2.10.9, but the stable/2.10 branch
contains changes that we need to build against the 5.0
kernel.

We add them here as patches, and we can drop them in the
future when lttng is updated.

(From OE-Core rev: f8bcf3486d44ebd867e9089d4dbd3b56726c9075)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-signal-Remove-SEND_SIG_FORCED-v4.20.patch b/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-signal-Remove-SEND_SIG_FORCED-v4.20.patch
new file mode 100644
index 0000000000..905b68165b
--- /dev/null
+++ b/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-signal-Remove-SEND_SIG_FORCED-v4.20.patch
@@ -0,0 +1,67 @@
+From 26bc064a4d4c85e6000393aadb38659f99b59162 Mon Sep 17 00:00:00 2001
+From: Michael Jeanson <mjeanson@efficios.com>
+Date: Mon, 5 Nov 2018 11:35:53 -0500
+Subject: [PATCH 2/9] Fix: signal: Remove SEND_SIG_FORCED (v4.20)
+
+See upstream commit :
+
+  commit 4ff4c31a6e85f4c49fbeebeaa28018d002884b5a
+  Author: Eric W. Biederman <ebiederm@xmission.com>
+  Date:   Mon Sep 3 10:39:04 2018 +0200
+
+    signal: Remove SEND_SIG_FORCED
+
+    There are no more users of SEND_SIG_FORCED so it may be safely removed.
+
+    Remove the definition of SEND_SIG_FORCED, it's use in is_si_special,
+    it's use in TP_STORE_SIGINFO, and it's use in __send_signal as without
+    any users the uses of SEND_SIG_FORCED are now unncessary.
+
+    This makes the code simpler, easier to understand and use.  Users of
+    signal sending functions now no longer need to ask themselves do I
+    need to use SEND_SIG_FORCED.
+
+Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
+Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+
+Upstream-Status: backport https://github.com/lttng/lttng-modules/commit/26bc064a4d4c85e6000393aadb38659f99b59162
+
+Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> 
+
+---
+ instrumentation/events/lttng-module/signal.h | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+diff --git a/instrumentation/events/lttng-module/signal.h b/instrumentation/events/lttng-module/signal.h
+index 8783b52..ad8fe69 100644
+--- a/instrumentation/events/lttng-module/signal.h
++++ b/instrumentation/events/lttng-module/signal.h
+@@ -12,6 +12,17 @@
+ #include <linux/signal.h>
+ #include <linux/sched.h>
+ #undef LTTNG_FIELDS_SIGINFO
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0))
++#define LTTNG_FIELDS_SIGINFO(info)                             \
++               ctf_integer(int, errno,                         \
++                       (info == SEND_SIG_NOINFO || info == SEND_SIG_PRIV) ? \
++                       0 :                                     \
++                       info->si_errno)                         \
++               ctf_integer(int, code,                          \
++                       (info == SEND_SIG_NOINFO) ?             \
++                       SI_USER :                               \
++                       ((info == SEND_SIG_PRIV) ? SI_KERNEL : info->si_code))
++#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0) */
+ #define LTTNG_FIELDS_SIGINFO(info)                             \
+                ctf_integer(int, errno,                         \
+                        (info == SEND_SIG_NOINFO || info == SEND_SIG_FORCED || info == SEND_SIG_PRIV) ? \
+@@ -21,6 +32,7 @@
+                        (info == SEND_SIG_NOINFO || info == SEND_SIG_FORCED) ? \
+                        SI_USER :                               \
+                        ((info == SEND_SIG_PRIV) ? SI_KERNEL : info->si_code))
++#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0) */
+ #endif /* _TRACE_SIGNAL_DEF */
+ 
+ /**
+-- 
+2.19.1
+