linux-kernel - [PATCH] kbuild: clean up stale file removal

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Date:   Thu, 29 Dec 2022 16:06:33 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Rich Felker <dalias@...c.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-sh@...r.kernel.org
Subject: [PATCH] kbuild: clean up stale file removal

More than one year has passed since the copied *.[cS] files were
removed from arch/*/boot/compressed/.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 arch/sh/boot/compressed/Makefile |  7 -------
 scripts/remove-stale-files       | 24 +-----------------------
 2 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 591125c42d49..b5e29f99c02c 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -8,13 +8,6 @@
 OBJECTS := head_32.o misc.o cache.o piggy.o \
            ashiftrt.o ashldi3.o ashrsi3.o ashlsi3.o lshrsi3.o
 
-# These were previously generated files. When you are building the kernel
-# with O=, make sure to remove the stale files in the output tree. Otherwise,
-# the build system wrongly compiles the stale ones.
-ifdef building_out_of_srctree
-$(shell rm -f $(addprefix $(obj)/, ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S))
-endif
-
 targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
            vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS)
 
diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files
index 64b14aa5aebf..cdbdde89a271 100755
--- a/scripts/remove-stale-files
+++ b/scripts/remove-stale-files
@@ -21,31 +21,9 @@ set -e
 # then will be really dead and removed from the code base entirely.
 
 rm -f arch/powerpc/purgatory/kexec-purgatory.c
-
-# These were previously generated source files. When you are building the kernel
-# with O=, make sure to remove the stale files in the output tree. Otherwise,
-# the build system wrongly compiles the stale ones.
-if [ -n "${building_out_of_srctree}" ]; then
-	for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c ashldi3.S bswapsdi2.S font.c lib1funcs.S hyp-stub.S
-	do
-		rm -f arch/arm/boot/compressed/${f}
-	done
-
-	for f in uart-ath79.c ashldi3.c bswapdi.c bswapsi.c
-	do
-		rm -f arch/mips/boot/compressed/${f}
-	done
-
-	for f in firmware.c real2.S
-	do
-		rm -f arch/parisc/boot/compressed/${f}
-	done
-fi
-
 rm -f arch/riscv/purgatory/kexec-purgatory.c
+rm -f arch/x86/purgatory/kexec-purgatory.c
 
 rm -f scripts/extract-cert
 
-rm -f arch/x86/purgatory/kexec-purgatory.c
-
 rm -f scripts/kconfig/[gmnq]conf-cfg
-- 
2.34.1