The patch titled Subject: configs/debug: set CONFIG_DEBUG_INFO=y properly has been added to the -mm tree. Its filename is configs-debug-set-config_debug_info=y-properly.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/configs-debug-set-config_debug_info=y-properly.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/configs-debug-set-config_debug_info=y-properly.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Qian Cai <quic_qiancai@xxxxxxxxxxx> Subject: configs/debug: set CONFIG_DEBUG_INFO=y properly CONFIG_DEBUG_INFO can't be set by user directly, so set CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y instead. Otherwise, we end up with no debuginfo in vmlinux which is a big no-no for kernel debugging. Link: https://lkml.kernel.org/r/20220301202920.18488-1-quic_qiancai@xxxxxxxxxxx Signed-off-by: Qian Cai <quic_qiancai@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/configs/debug.config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/configs/debug.config~configs-debug-set-config_debug_info=y-properly +++ a/kernel/configs/debug.config @@ -16,7 +16,7 @@ CONFIG_SYMBOLIC_ERRNAME=y # # Compile-time checks and compiler options # -CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_FRAME_WARN=2048 CONFIG_SECTION_MISMATCH_WARN_ONLY=y _ Patches currently in -mm which might be from quic_qiancai@xxxxxxxxxxx are configs-debug-set-config_debug_info=y-properly.patch