linux-kernel - [PATCH 5.11 40/45] kbuild: Add resolve

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Date:   Fri,  9 Apr 2021 11:54:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Song Liu <songliubraving@...com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 40/45] kbuild: Add resolve_btfids clean to root clean target

From: Jiri Olsa <jolsa@...nel.org>

[ 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@...nel.org>
Signed-off-by: Andrii Nakryiko <andrii@...nel.org>
Acked-by: Song Liu <songliubraving@...com>
Link: https://lore.kernel.org/bpf/20210205124020.683286-5-jolsa@kernel.org
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

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
 #
-- 
2.30.2