From 9383502e95c266f66d2af15584499e4560a6c6c9 Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Fri, 1 Sep 2023 11:59:05 -0400
Subject: [PATCH] jjb: lttng-modules: many kernel build fixes

Change-Id: I3f7a0601c543e4f4a37fe29fd538c3299661e7f2
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
---
 scripts/lttng-modules/param-build.sh | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/scripts/lttng-modules/param-build.sh b/scripts/lttng-modules/param-build.sh
index 5ffffd2..3a1a930 100644
--- a/scripts/lttng-modules/param-build.sh
+++ b/scripts/lttng-modules/param-build.sh
@@ -330,7 +330,7 @@ build_linux_kernel() {
         fi
     fi
 
-    if { vergt "${selected_cc_version}" "7"; } && { vergte "${kversion}" "4.15"; } && { verlt "${kversion}" "4.17"; } ; then
+    if { vergt "${selected_cc_version}" "7"; } && { vergte "${kversion}" "4.14"; } && { verlt "${kversion}" "4.17"; } ; then
         # Builds fail due to -Werror=restrict in pager.o and str_error_r.o
         if { verlt "${kversion}" "4.16"; } ; then
             # This is patched since objtool's Makefile doesn't respect HOSTCFLAGS
@@ -383,6 +383,17 @@ build_linux_kernel() {
         # Some old kernels fail to build when make is too new
         # @see https://gitlab.com/linux-kernel/stable/-/commit/9feeb638cde083c737e295c0547f1b4f28e99583
         patch_linux_kernel 9564a8cf422d7b58f6e857e3546d346fa970191e
+    fi
+
+    if { vergte "${kversion}" "4.14"; } && { verlt "${kversion}" "4.14.55"; } ; then
+        # Some old kernels fail to build when make is too new
+        # @see https://gitlab.com/linux-kernel/stable/-/commit/9feeb638cde083c737e295c0547f1b4f28e99583
+        patch_linux_kernel e82885490a611f2b75a6c27cd7bb09665c1740be
+    fi
+
+    if ( { vergte "${kversion}" "4.15"; } && { verlt "${kversion}" "4.18"; } ) || \
+       ( { vergte "${kversion}" "4.14"; } && { verlt "${kversion}" "4.14.56"; } ) ; then
+        # Some old kernels fail to build when make is too new
         # @see https://gitlab.com/linux-kernel/stable/-/commit/9feeb638cde083c737e295c0547f1b4f28e99583
         patch_linux_kernel 9feeb638cde083c737e295c0547f1b4f28e99583
     fi
@@ -543,6 +554,17 @@ EOF
         patch_linux_kernel 8a522bf2d4f788306443d36b26b54f0aedcdfdbe
     fi
 
+    if ( { vergte "${kversion}" "4.15"; } && { verlt "${kversion}" "4.15.2"; } ) || \
+       ( { vergte "${kversion}" "4.14"; } && { verlt "${kversion}" "4.14.18"; } ) ; then
+        # Fix an objtool Segmentation fault
+        patch_linux_kernel dd12561854824fd1f05baf2a1b794faa046e2425
+    fi
+
+    if { vergte "${kversion}" "4.14"; } && { verlt "${kversion}" "4.14.268"; } ; then
+        # Builds fail due to -Werror=use-after-free in sigchain.o and help.o
+        patch_linux_kernel e89bb266b710ce056f141f29f091fd468a4a8185
+    fi
+
     # Fix a typo in v2.6.36.x
     if [ -f "arch/x86/kernel/entry_64.S" ]; then
       sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S
-- 
2.34.1