From 4a4272735f1867c8db05307110f6a7a2e20d0fd1 Mon Sep 17 00:00:00 2001 From: "Justin M. Forbes" Date: Fri, 16 Sep 2022 06:31:55 -0500 Subject: Add patch to fix build with newer pahole Signed-off-by: Justin M. Forbes --- patch-5.19-redhat.patch | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/patch-5.19-redhat.patch b/patch-5.19-redhat.patch index 0b4a8c246..9dac45170 100644 --- a/patch-5.19-redhat.patch +++ b/patch-5.19-redhat.patch @@ -3395,3 +3395,48 @@ index 8b62654ff3f9..1c03d1cff35c 100644 #ifdef CONFIG_PERF_EVENTS int security_perf_event_open(struct perf_event_attr *attr, int type) { +From 9d5fb7eaaa7db6a9952531d029dc9c3fb16a8eee Mon Sep 17 00:00:00 2001 +From: Martin Rodriguez Reboredo +Date: Tue, 6 Sep 2022 15:31:23 +0200 +Subject: [PATCH] kbuild: Add skip_encoding_btf_enum64 option to pahole + +New pahole (version 1.24) generates by default new BTF_KIND_ENUM64 BTF tag, +which is not supported by stable kernel. + +As a result the kernel with CONFIG_DEBUG_INFO_BTF option will fail to +compile with following error: + + BTFIDS vmlinux +FAILED: load BTF from vmlinux: Invalid argument + +New pahole provides --skip_encoding_btf_enum64 option to skip BTF_KIND_ENUM64 +generation and produce BTF supported by stable kernel. + +Adding this option to scripts/pahole-flags.sh. + +This change does not have equivalent commit in linus tree, because linus tree +has support for BTF_KIND_ENUM64 tag, so it does not need to be disabled. + +Signed-off-by: Martin Rodriguez Reboredo +Signed-off-by: Jiri Olsa +Signed-off-by: Greg Kroah-Hartman +--- + scripts/pahole-flags.sh | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/scripts/pahole-flags.sh b/scripts/pahole-flags.sh +index 0d99ef17e4a5..d4f3d63cb434 100755 +--- a/scripts/pahole-flags.sh ++++ b/scripts/pahole-flags.sh +@@ -20,4 +20,8 @@ if [ "${pahole_ver}" -ge "122" ]; then + extra_paholeopt="${extra_paholeopt} -j" + fi + ++if [ "${pahole_ver}" -ge "124" ]; then ++ extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_enum64" ++fi ++ + echo ${extra_paholeopt} +-- +2.37.3 + -- cgit