diff --git a/MAINTAINERS b/MAINTAINERS
index eb2ea59932b9..d9d7f71c5ce3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15177,11 +15177,8 @@ F:	drivers/video/fbdev/sm712*
 F:	Documentation/fb/sm712fb.rst
 
 SIMPLE FIRMWARE INTERFACE (SFI)
-M:	Len Brown <lenb@kernel.org>
-L:	sfi-devel@simplefirmware.org
 W:	http://simplefirmware.org/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-sfi-2.6.git
-S:	Supported
+S:	Obsolete
 F:	arch/x86/platform/sfi/
 F:	drivers/sfi/
 F:	include/linux/sfi*.h
diff --git a/samples/Makefile b/samples/Makefile
index 5ce50ef0f2b2..f8f847b4f61f 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for Linux samples code
+OBJECT_FILES_NON_STANDARD := y
 
 obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS)	+= binderfs/
 obj-$(CONFIG_SAMPLE_CONFIGFS)		+= configfs/
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index d2a19b0bc05a..ee08aeff30a1 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -2,10 +2,6 @@
 include ../scripts/Makefile.include
 include ../scripts/Makefile.arch
 
-ifeq ($(ARCH),x86_64)
-ARCH := x86
-endif
-
 # always use the host compiler
 HOSTAR	?= ar
 HOSTCC	?= gcc
@@ -33,7 +29,7 @@ all: $(OBJTOOL)
 
 INCLUDES := -I$(srctree)/tools/include \
 	    -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
-	    -I$(srctree)/tools/arch/$(ARCH)/include
+	    -I$(srctree)/tools/arch/$(SRCARCH)/include
 WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
 CFLAGS   := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
 LDFLAGS  += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)
diff --git a/tools/objtool/sync-check.sh b/tools/objtool/sync-check.sh
index 9bd04bbed01e..2a1261bfbb62 100755
--- a/tools/objtool/sync-check.sh
+++ b/tools/objtool/sync-check.sh
@@ -48,5 +48,3 @@ check arch/x86/include/asm/inat.h     '-I "^#include [\"<]\(asm/\)*inat_types.h[
 check arch/x86/include/asm/insn.h     '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
 check arch/x86/lib/inat.c             '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
 check arch/x86/lib/insn.c             '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]" -I "^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]"'
-
-cd -