1 files changed, 45 insertions, 17 deletions

diff --git a/Makefile b/Makefile
index cadf4cd595d7..529d93fa2430 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 39
-EXTRAVERSION = -rc5
+EXTRAVERSION =
 NAME = Flesh-Eating Bats with Fangs
 
 # *DOCUMENTATION*
@@ -103,7 +103,7 @@ ifeq ("$(origin O)", "command line")
 endif
 
 ifeq ("$(origin W)", "command line")
-  export KBUILD_ENABLE_EXTRA_GCC_CHECKS := 1
+  export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
 endif
 
 # That's our default target when none is given on the command line
@@ -357,7 +357,8 @@ CFLAGS_GCOV	= -fprofile-arcs -ftest-coverage
 
 # Use LINUXINCLUDE when you must reference the include/ directory.
 # Needed to be compatible with the O= option
-LINUXINCLUDE    := -I$(srctree)/arch/$(hdr-arch)/include -Iinclude \
+LINUXINCLUDE    := -I$(srctree)/arch/$(hdr-arch)/include \
+                   -Iarch/$(hdr-arch)/include/generated -Iinclude \
                    $(if $(KBUILD_SRC), -I$(srctree)/include) \
                    -include include/generated/autoconf.h
 
@@ -390,6 +391,7 @@ export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV
 export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
 export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE
 export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL
+export KBUILD_ARFLAGS
 
 # When compiling out-of-tree modules, put MODVERDIR in the module
 # tree rather than in the kernel tree. The kernel tree might
@@ -424,6 +426,12 @@ ifneq ($(KBUILD_SRC),)
             $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
 endif
 
+# Support for using generic headers in asm-generic
+PHONY += asm-generic
+asm-generic:
+        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
+                    obj=arch/$(SRCARCH)/include/generated/asm
+
 # To make sure we do not include .config for any of the *config targets
 # catch them early, and hand them over to scripts/kconfig/Makefile
 # It is allowed to specify more targets when calling make, including
@@ -567,6 +575,10 @@ ifndef CONFIG_CC_STACKPROTECTOR
 KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
 endif
 
+# This warning generated too much noise in a regular build.
+# Use make W=1 to enable this warning (see scripts/Makefile.build)
+KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
+
 ifdef CONFIG_FRAME_POINTER
 KBUILD_CFLAGS   += -fno-omit-frame-pointer -fno-optimize-sibling-calls
 else
@@ -612,7 +624,7 @@ CHECKFLAGS     += $(NOSTDINC_FLAGS)
 KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 
 # disable pointer signed / unsigned warnings in gcc 4.0
-KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
+KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
 
 # disable invalid "can't wrap" optimizations for signed / pointers
 KBUILD_CFLAGS   += $(call cc-option,-fno-strict-overflow)
@@ -620,6 +632,9 @@ KBUILD_CFLAGS	+= $(call cc-option,-fno-strict-overflow)
 # conserve stack if available
 KBUILD_CFLAGS   += $(call cc-option,-fconserve-stack)
 
+# use the deterministic mode of AR if available
+KBUILD_ARFLAGS := $(call ar-option,D)
+
 # check for 'asm goto'
 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)
         KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
@@ -805,15 +820,17 @@ ifdef CONFIG_KALLSYMS
 # o The correct .tmp_kallsyms2.o is linked into the final vmlinux.
 # o Verify that the System.map from vmlinux matches the map from
 #   .tmp_vmlinux2, just in case we did not generate kallsyms correctly.
-# o If CONFIG_KALLSYMS_EXTRA_PASS is set, do an extra pass using
+# o If 'make KALLSYMS_EXTRA_PASS=1" was used, do an extra pass using
 #   .tmp_vmlinux3 and .tmp_kallsyms3.o.  This is only meant as a
 #   temporary bypass to allow the kernel to be built while the
 #   maintainers work out what went wrong with kallsyms.
 
-ifdef CONFIG_KALLSYMS_EXTRA_PASS
-last_kallsyms := 3
-else
 last_kallsyms := 2
+
+ifdef KALLSYMS_EXTRA_PASS
+ifneq ($(KALLSYMS_EXTRA_PASS),0)
+last_kallsyms := 3
+endif
 endif
 
 kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
@@ -824,7 +841,8 @@ define verify_kallsyms
           $(cmd_sysmap) .tmp_vmlinux$(last_kallsyms) .tmp_System.map
         $(Q)cmp -s System.map .tmp_System.map ||                             \
                 (echo Inconsistent kallsyms data;                            \
-                 echo Try setting CONFIG_KALLSYMS_EXTRA_PASS;                \
+                 echo This is a bug - please report about it;                \
+                 echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround;      \
                  rm .tmp_kallsyms* ; /bin/false )
 endef
 
@@ -955,7 +973,7 @@ ifneq ($(KBUILD_SRC),)
 endif
 
 # prepare2 creates a makefile if using a separate output directory
-prepare2: prepare3 outputmakefile
+prepare2: prepare3 outputmakefile asm-generic
 
 prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \
                    include/config/auto.conf
@@ -999,7 +1017,8 @@ include/generated/utsrelease.h: include/config/kernel.release FORCE
 
 PHONY += headerdep
 headerdep:
-        $(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl
+        $(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
+        $(srctree)/scripts/headerdep.pl -I$(srctree)/include
 
 # ---------------------------------------------------------------------------
 
@@ -1029,7 +1048,7 @@ hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
 hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)
 
 PHONY += __headers
-__headers: include/linux/version.h scripts_basic FORCE
+__headers: include/linux/version.h scripts_basic asm-generic FORCE
         $(Q)$(MAKE) $(build)=scripts build_unifdef
 
 PHONY += headers_install_all
@@ -1144,7 +1163,8 @@ CLEAN_FILES +=	vmlinux System.map \
                 .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map
 
 # Directories & files removed with 'make mrproper'
-MRPROPER_DIRS  += include/config usr/include include/generated
+MRPROPER_DIRS  += include/config usr/include include/generated          \
+                  arch/*/include/generated
 MRPROPER_FILES += .config .config.old .version .old_version             \
                   include/linux/version.h                               \
                   Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
@@ -1275,7 +1295,12 @@ help:
         @echo  '  make O=dir [targets] Locate all output files in "dir", including .config'
         @echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse by default)'
         @echo  '  make C=2   [targets] Force check of all c source with $$CHECK'
-        @echo  '  make W=1   [targets] Enable extra gcc checks'
+        @echo  '  make W=n   [targets] Enable extra gcc checks, n=1,2,3 where'
+        @echo  '                1: warnings which may be relevant and do not occur too often'
+        @echo  '                2: warnings which occur quite often but may still be relevant'
+        @echo  '                3: more obscure warnings, can most likely be ignored'
+        @echo  '                Multiple levels can be combined with W=12 or W=123'
+        @echo  '  make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
         @echo  ''
         @echo  'Execute "make" or "make all" to build all targets marked with [*] '
         @echo  'For further info see the ./README file'
@@ -1298,6 +1323,7 @@ $(help-board-dirs): help-%:
 # Documentation targets
 # ---------------------------------------------------------------------------
 %docs: scripts_basic FORCE
+        $(Q)$(MAKE) $(build)=scripts build_docproc
         $(Q)$(MAKE) $(build)=Documentation/DocBook $@
 
 else # KBUILD_EXTMOD
@@ -1382,7 +1408,7 @@ endif # KBUILD_EXTMOD
 clean: $(clean-dirs)
         $(call cmd,rmdirs)
         $(call cmd,rmfiles)
-        @find $(or $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
+        @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
                 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
                 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
                 -o -name '*.symtypes' -o -name 'modules.order' \
@@ -1400,13 +1426,15 @@ tags TAGS cscope gtags: FORCE
 # Scripts to check various things for consistency
 # ---------------------------------------------------------------------------
 
+PHONY += includecheck versioncheck coccicheck namespacecheck export_report
+
 includecheck:
-        find * $(RCS_FIND_IGNORE) \
+        find $(srctree)/* $(RCS_FIND_IGNORE) \
                 -name '*.[hcS]' -type f -print | sort \
                 | xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl
 
 versioncheck:
-        find * $(RCS_FIND_IGNORE) \
+        find $(srctree)/* $(RCS_FIND_IGNORE) \
                 -name '*.[hcS]' -type f -print | sort \
                 | xargs $(PERL) -w $(srctree)/scripts/checkversion.pl