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diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 1ca535bcc8..f099b814d3 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -276,40 +276,39 @@ more details, with real examples.
 
 --- 3.7 Compilation flags
 
-    EXTRA_CFLAGS, EXTRA_AFLAGS, EXTRA_LDFLAGS
+    ccflags-y, asflags-y and ldflags-y
+	The three flags listed above applies only to the kbuild makefile
+	where they are assigned. They are used for all the normal
+	cc, as and ld invocation happenign during a recursive build.
+	Note: Flags with the same behaviour were previously named:
+	EXTRA_CFLAGS, EXTRA_AFLAGS and EXTRA_LDFLAGS.
+	They are yet supported but their use are deprecated.
 
-	All the EXTRA_ variables apply only to the kbuild makefile
-	where they are assigned. The EXTRA_ variables apply to all
-	commands executed in the kbuild makefile.
-
-	$(EXTRA_CFLAGS) specifies options for compiling C files with
-	$(CC).
+	ccflags-y specifies options for compiling C files with $(CC).
 
 	Example:
 		# drivers/sound/emu10k1/Makefile
-		EXTRA_CFLAGS += -I$(obj)
-		ifdef DEBUG
-		    EXTRA_CFLAGS += -DEMU10K1_DEBUG
-		endif
+		ccflags-y += -I$(obj)
+		ccflags-$(DEBUG) += -DEMU10K1_DEBUG
 
 
 	This variable is necessary because the top Makefile owns the
 	variable $(KBUILD_CFLAGS) and uses it for compilation flags for the
 	entire tree.
 
-	$(EXTRA_AFLAGS) is a similar string for per-directory options
+	asflags-y is a similar string for per-directory options
 	when compiling assembly language source.
 
 	Example:
 		#arch/x86_64/kernel/Makefile
-		EXTRA_AFLAGS := -traditional
+		asflags-y := -traditional
 
 
-	$(EXTRA_LDFLAGS) is a string for per-directory options to $(LD).
+	ldflags-y is a string for per-directory options to $(LD).
 
 	Example:
 		#arch/m68k/fpsp040/Makefile
-		EXTRA_LDFLAGS := -x
+		ldflags-y := -x
 
     CFLAGS_$@, AFLAGS_$@
 
@@ -424,6 +423,7 @@ more details, with real examples.
 	as-instr checks if the assembler reports a specific instruction
 	and then outputs either option1 or option2
 	C escapes are supported in the test instruction
+	Note: as-instr-option uses KBUILD_AFLAGS for $(AS) options
 
     cc-option
 	cc-option is used to check if $(CC) supports a given option, and not
@@ -494,9 +494,9 @@ more details, with real examples.
 
 	Example:
 		#fs/reiserfs/Makefile
-		EXTRA_CFLAGS := $(call cc-ifversion, -lt, 0402, -O1)
+		ccflags-y := $(call cc-ifversion, -lt, 0402, -O1)
 
-	In this example, EXTRA_CFLAGS will be assigned the value -O1 if the
+	In this example, ccflags-y will be assigned the value -O1 if the
 	$(CC) version is less than 4.2.
 	cc-ifversion takes all the shell operators:
 	-eq, -ne, -lt, -le, -gt, and -ge
@@ -782,7 +782,7 @@ When kbuild executes, the following steps are followed (roughly):
 	Example:
 		#arch/s390/Makefile
 		LDFLAGS         := -m elf_s390
-	Note: EXTRA_LDFLAGS can be used to further customise
+	Note: ldflags-y can be used to further customise
 	the flags used. See chapter 3.7.
 
     LDFLAGS_MODULE	Options for $(LD) when linking modules
@@ -819,14 +819,14 @@ When kbuild executes, the following steps are followed (roughly):
 	In this example, the binary $(obj)/image is a binary version of
 	vmlinux. The usage of $(call if_changed,xxx) will be described later.
 
-    AFLAGS		$(AS) assembler flags
+    KBUILD_AFLAGS		$(AS) assembler flags
 
 	Default value - see top level Makefile
 	Append or modify as required per architecture.
 
 	Example:
 		#arch/sparc64/Makefile
-		AFLAGS += -m64 -mcpu=ultrasparc
+		KBUILD_AFLAGS += -m64 -mcpu=ultrasparc
 
     KBUILD_CFLAGS		$(CC) compiler flags
 
@@ -1098,8 +1098,8 @@ When kbuild executes, the following steps are followed (roughly):
 	specified options when building the target vmlinux.lds.
 
 	When building the *.lds target, kbuild uses the variables:
-	CPPFLAGS	: Set in top-level Makefile
-	EXTRA_CPPFLAGS	: May be set in the kbuild makefile
+	KBUILD_CPPFLAGS	: Set in top-level Makefile
+	cppflags-y	: May be set in the kbuild makefile
 	CPPFLAGS_$(@F)  : Target specific flags.
 	                  Note that the full filename is used in this
 	                  assignment.