This is a note to let you know that I've just added the patch titled tools/resolve_btfids: Check objects before removing 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: tools-resolve_btfids-check-objects-before-removing.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 efd5aa5d55e684cad03f3fa95524e2bb26ef2089 Author: Jiri Olsa <jolsa@xxxxxxxxxx> Date: Fri Feb 5 13:40:18 2021 +0100 tools/resolve_btfids: Check objects before removing [ Upstream commit f23130979c2f15ea29a431cd9e1ea7916337bbd4 ] We want this clean to be called from tree's root clean and that one is silent if there's nothing to clean. Adding check for all object to clean and display CLEAN messages only if there are objects to remove. Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Link: https://lore.kernel.org/bpf/20210205124020.683286-3-jolsa@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index 1d46a247ec95..be09ec4f03ff 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -64,13 +64,20 @@ $(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN) $(call msg,LINK,$@) $(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS) +clean_objects := $(wildcard $(OUTPUT)/*.o \ + $(OUTPUT)/.*.o.cmd \ + $(OUTPUT)/.*.o.d \ + $(OUTPUT)/libbpf \ + $(OUTPUT)/libsubcmd \ + $(OUTPUT)/resolve_btfids) + +ifneq ($(clean_objects),) clean: fixdep-clean $(call msg,CLEAN,$(BINARY)) - $(Q)$(RM) -f $(BINARY); \ - $(RM) -rf $(if $(OUTPUT),$(OUTPUT),.)/feature; \ - $(RM) -rf $(OUTPUT)/libbpf; \ - $(RM) -rf $(OUTPUT)/libsubcmd; \ - find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) + $(Q)$(RM) -rf $(clean_objects) +else +clean: +endif tags: $(call msg,GEN,,tags)