This is a note to let you know that I've just added the patch titled kbuild: Add resolve_btfids clean to root clean target to the 5.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: kbuild-add-resolve_btfids-clean-to-root-clean-target.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit a42b2607a6f6546a3d2d2890e46ed0d496f1521a Author: Jiri Olsa <jolsa@xxxxxxxxxx> Date: Fri Feb 5 13:40:20 2021 +0100 kbuild: Add resolve_btfids clean to root clean target [ Upstream commit 50d3a3f81689586697a38cd60070181ebe626ad9 ] The resolve_btfids tool is used during the kernel build, so we should clean it on kernel's make clean. Invoking the the resolve_btfids clean as part of root 'make clean'. Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx> Link: https://lore.kernel.org/bpf/20210205124020.683286-5-jolsa@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/Makefile b/Makefile index 1e31504aab61..a135a7b9d265 100644 --- a/Makefile +++ b/Makefile @@ -1082,6 +1082,11 @@ ifdef CONFIG_STACK_VALIDATION endif endif +PHONY += resolve_btfids_clean + +resolve_btfids_clean: + $(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(abspath $(objtree))/tools/bpf/resolve_btfids clean + ifdef CONFIG_BPF ifdef CONFIG_DEBUG_INFO_BTF ifeq ($(has_libelf),1) @@ -1499,7 +1504,7 @@ vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) -clean: archclean vmlinuxclean +clean: archclean vmlinuxclean resolve_btfids_clean # mrproper - Delete all generated files, including .config #