Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: (38 commits)
  kconfig: fix mconf segmentation fault
  kbuild: enable use of code from a different dir
  kconfig: error out if recursive dependencies are found
  kbuild: scripts/basic/fixdep segfault on pathological string-o-death
  kconfig: correct minor typo in Kconfig warning message.
  kconfig: fix path to modules.txt in Kconfig help
  usr/Kconfig: fix typo
  kernel-doc: alphabetically-sorted entries in index.html of 'htmldocs'
  kbuild: be more explicit on missing .config file
  kbuild: clarify the creation of the LOCALVERSION_AUTO string.
  kbuild: propagate errors from find in scripts/gen_initramfs_list.sh
  kconfig: refer to qt3 if we cannot find qt libraries
  kbuild: handle compressed cpio initramfs-es
  kbuild: ignore section mismatch warning for references from .paravirtprobe to .init.text
  kbuild: remove stale comment in modpost.c
  kbuild/mkuboot.sh: allow spaces in CROSS_COMPILE
  kbuild: fix make mrproper for Documentation/DocBook/man
  kbuild: remove kconfig binaries during make mrproper
  kconfig/menuconfig: do not hardcode '.config'
  kbuild: override build timestamp & version
  ...

Documentation/DocBook/Makefile

@@ -41,7 +41,7 @@ psdocs: $(PS)
 PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
 pdfdocs: $(PDF)
 
-HTML := $(patsubst %.xml, %.html, $(BOOKS))
+HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
 htmldocs: $(HTML)
 
 MAN := $(patsubst %.xml, %.9, $(BOOKS))
@@ -152,6 +152,7 @@ quiet_cmd_db2man = MAN     $@
 	@(which xmlto > /dev/null 2>&1) || \
 	 (echo "*** You need to install xmlto ***"; \
 	  exit 1)
+	$(Q)mkdir -p $(obj)/man
 	$(call cmd,db2man)
 	@touch $@
 
@@ -212,11 +213,7 @@ clean-files := $(DOCBOOKS) \
 	$(patsubst %.xml, %.9,    $(DOCBOOKS)) \
 	$(C-procfs-example)
 
-clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS))
-
-#man put files in man subdir - traverse down
-subdir- := man/
-
+clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
 
 # Declare the contents of the .PHONY variable as phony.  We keep that
 # information in a variable se we can use it in if_changed and friends.

Documentation/kbuild/modules.txt

@@ -249,7 +249,7 @@ following files:
 		--> filename: Makefile
 		KERNELDIR := /lib/modules/`uname -r`/build
 		all::
-			$(MAKE) -C $KERNELDIR M=`pwd` $@
+			$(MAKE) -C $(KERNELDIR) M=`pwd` $@
 
 		# Module specific targets
 		genbin:

Kbuild

@@ -2,6 +2,7 @@
 # Kbuild for top-level directory of the kernel
 # This file takes care of the following:
 # 1) Generate asm-offsets.h
+# 2) Check for missing system calls
 
 #####
 # 1) Generate asm-offsets.h
@@ -46,3 +47,13 @@ $(obj)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
 	$(Q)mkdir -p $(dir $@)
 	$(call cmd,offsets)
 
+#####
+# 2) Check for missing system calls
+#
+
+quiet_cmd_syscalls = CALL    $<
+      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags)
+
+PHONY += missing-syscalls
+missing-syscalls: scripts/checksyscalls.sh FORCE
+	$(call cmd,syscalls)

Makefile

@@ -576,7 +576,7 @@ libs-y		:= $(libs-y1) $(libs-y2)
 # ---------------------------------------------------------------------------
 # vmlinux is built from the objects selected by $(vmlinux-init) and
 # $(vmlinux-main). Most are built-in.o files from top-level directories
-# in the kernel tree, others are specified in arch/$(ARCH)Makefile.
+# in the kernel tree, others are specified in arch/$(ARCH)/Makefile.
 # Ordering when linking is important, and $(vmlinux-init) must be first.
 #
 # vmlinux
@@ -603,6 +603,7 @@ vmlinux-init := $(head-y) $(init-y)
 vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y)
 vmlinux-all  := $(vmlinux-init) $(vmlinux-main)
 vmlinux-lds  := arch/$(ARCH)/kernel/vmlinux.lds
+export KBUILD_VMLINUX_OBJS := $(vmlinux-all)
 
 # Rule to link vmlinux - also used during CONFIG_KALLSYMS
 # May be overridden by arch/$(ARCH)/Makefile
@@ -855,6 +856,7 @@ archprepare: prepare1 scripts_basic
 
 prepare0: archprepare FORCE
 	$(Q)$(MAKE) $(build)=.
+	$(Q)$(MAKE) $(build)=. missing-syscalls
 
 # All the preparing..
 prepare: prepare0
@@ -1277,10 +1279,7 @@ endif
 ALLSOURCE_ARCHS := $(ARCH)
 
 define find-sources
-        ( find $(__srctree) $(RCS_FIND_IGNORE) \
-	       \( -name include -o -name arch \) -prune -o \
-	       -name $1 -print; \
-	  for ARCH in $(ALLSOURCE_ARCHS) ; do \
+        ( for ARCH in $(ALLSOURCE_ARCHS) ; do \
 	       find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
 	            -name $1 -print; \
 	  done ; \
@@ -1294,7 +1293,11 @@ define find-sources
 	            -name $1 -print; \
 	  done ; \
 	  find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
-	       -name $1 -print )
+	       -name $1 -print; \
+	  find $(__srctree) $(RCS_FIND_IGNORE) \
+	       \( -name include -o -name arch \) -prune -o \
+	       -name $1 -print; \
+	  )
 endef
 
 define all-sources

drivers/mtd/devices/Kconfig

@@ -49,8 +49,8 @@ config MTD_MS02NV
 
 	  If you want to compile this driver as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want),
-	  say M here and read <file:Documentation/modules.txt>.  The module will
-	  be called ms02-nv.o.
+	  say M here and read <file:Documentation/kbuild/modules.txt>.
+	  The module will be called ms02-nv.ko.
 
 config MTD_DATAFLASH
 	tristate "Support for AT45xxx DataFlash"

drivers/net/Kconfig

@@ -833,8 +833,8 @@ config SMC91X
 	  This driver is also available as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want).
 	  The module will be called smc91x.  If you want to compile it as a
-	  module, say M here and read <file:Documentation/modules.txt> as well
-	  as <file:Documentation/networking/net-modules.txt>.
+	  module, say M here and read <file:Documentation/kbuild/modules.txt>
+	  as well as <file:Documentation/networking/net-modules.txt>.
 
 config SMC9194
 	tristate "SMC 9194 support"
@@ -889,7 +889,7 @@ config SMC911X
 
 	  This driver is also available as a module. The module will be 
 	  called smc911x.  If you want to compile it as a module, say M 
-	  here and read <file:Documentation/modules.txt>
+	  here and read <file:Documentation/kbuild/modules.txt>
 
 config NET_VENDOR_RACAL
 	bool "Racal-Interlan (Micom) NI cards"

drivers/net/wireless/Kconfig

@@ -153,8 +153,8 @@ config IPW2100
 
           If you want to compile the driver as a module ( = code which can be
           inserted in and removed from the running kernel whenever you want),
-          say M here and read <file:Documentation/modules.txt>.  The module
-          will be called ipw2100.ko.
+          say M here and read <file:Documentation/kbuild/modules.txt>.
+          The module will be called ipw2100.ko.
 
 config IPW2100_MONITOR
         bool "Enable promiscuous mode"
@@ -208,8 +208,8 @@ config IPW2200
 
           If you want to compile the driver as a module ( = code which can be
           inserted in and removed from the running kernel whenever you want),
-          say M here and read <file:Documentation/modules.txt>.  The module
-          will be called ipw2200.ko.
+          say M here and read <file:Documentation/kbuild/modules.txt>.
+          The module will be called ipw2200.ko.
 
 config IPW2200_MONITOR
         bool "Enable promiscuous mode"
@@ -517,8 +517,8 @@ config PRISM54
 
 	  If you want to compile the driver as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want),
-	  say M here and read <file:Documentation/modules.txt>.  The module
-	  will be called prism54.ko.
+	  say M here and read <file:Documentation/kbuild/modules.txt>.
+	  The module will be called prism54.ko.
 
 config USB_ZD1201
 	tristate "USB ZD1201 based Wireless device support"

drivers/scsi/Kconfig

@@ -170,7 +170,7 @@ config CHR_DEV_SCH
 
 	  If you want to compile this as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want),
-	  say M here and read <file:Documentation/modules.txt> and
+	  say M here and read <file:Documentation/kbuild/modules.txt> and
 	  <file:Documentation/scsi.txt>. The module will be called ch.o.
 	  If unsure, say N.
 
@@ -1783,7 +1783,7 @@ config ZFCP
 
           This driver is also available as a module. This module will be
           called zfcp. If you want to compile it as a module, say M here
-          and read <file:Documentation/modules.txt>.
+          and read <file:Documentation/kbuild/modules.txt>.
 
 config SCSI_SRP
 	tristate "SCSI RDMA Protocol helper library"

drivers/video/Kconfig

@@ -191,7 +191,7 @@ config FB_ARMCLCD
 
 	  If you want to compile this as a module (=code which can be
 	  inserted into and removed from the running kernel), say M
-	  here and read <file:Documentation/modules.txt>.  The module
+	  here and read <file:Documentation/kbuild/modules.txt>.  The module
 	  will be called amba-clcd.
 
 choice
@@ -1494,7 +1494,7 @@ config FB_PXA
 	  This driver is also available as a module ( = code which can be
 	  inserted and removed from the running kernel whenever you want). The
 	  module will be called pxafb. If you want to compile it as a module,
-	  say M here and read <file:Documentation/modules.txt>.
+	  say M here and read <file:Documentation/kbuild/modules.txt>.
 
 	  If unsure, say N.
 
@@ -1547,7 +1547,7 @@ config FB_W100
 	  This driver is also available as a module ( = code which can be
 	  inserted and removed from the running kernel whenever you want). The
 	  module will be called w100fb. If you want to compile it as a module,
-	  say M here and read <file:Documentation/modules.txt>.
+	  say M here and read <file:Documentation/kbuild/modules.txt>.
 
 	  If unsure, say N.
 
@@ -1564,7 +1564,7 @@ config FB_S3C2410
 	  This driver is also available as a module ( = code which can be
 	  inserted and removed from the running kernel whenever you want). The
 	  module will be called s3c2410fb. If you want to compile it as a module,
-	  say M here and read <file:Documentation/modules.txt>.
+	  say M here and read <file:Documentation/kbuild/modules.txt>.
 
 	  If unsure, say N.
 config FB_S3C2410_DEBUG

include/linux/input.h

@@ -990,6 +990,10 @@ struct input_dev {
 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
 #endif
 
+#if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING
+#error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match"
+#endif
+
 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
 #endif

include/linux/mod_devicetable.h

@@ -262,6 +262,7 @@ struct i2c_device_id {
 
 /* Input */
 #define INPUT_DEVICE_ID_EV_MAX		0x1f
+#define INPUT_DEVICE_ID_KEY_MIN_INTERESTING	0x71
 #define INPUT_DEVICE_ID_KEY_MAX		0x1ff
 #define INPUT_DEVICE_ID_REL_MAX		0x0f
 #define INPUT_DEVICE_ID_ABS_MAX		0x3f

init/Kconfig

@@ -80,16 +80,20 @@ config LOCALVERSION_AUTO
 	default y
 	help
 	  This will try to automatically determine if the current tree is a
-	  release tree by looking for git tags that
-	  belong to the current top of tree revision.
+	  release tree by looking for git tags that belong to the current
+	  top of tree revision.
 
 	  A string of the format -gxxxxxxxx will be added to the localversion
-	  if a git based tree is found.  The string generated by this will be
+	  if a git-based tree is found.  The string generated by this will be
 	  appended after any matching localversion* files, and after the value
-	  set in CONFIG_LOCALVERSION
+	  set in CONFIG_LOCALVERSION.
 
-	  Note: This requires Perl, and a git repository, but not necessarily
-	  the git or cogito tools to be installed.
+	  (The actual string used here is the first eight characters produced
+	  by running the command:
+
+	    $ git rev-parse --verify HEAD
+
+	  which is done within the script "scripts/setlocalversion".)
 
 config SWAP
 	bool "Support for paging of anonymous memory (swap)"

init/main.c

@@ -82,7 +82,7 @@
 #warning gcc-4.1.0 is known to miscompile the kernel.  A different compiler version is recommended.
 #endif
 
-static int init(void *);
+static int kernel_init(void *);
 
 extern void init_IRQ(void);
 extern void fork_init(unsigned long);
@@ -431,7 +431,7 @@ static void __init setup_command_line(char *command_line)
 static void noinline rest_init(void)
 	__releases(kernel_lock)
 {
-	kernel_thread(init, NULL, CLONE_FS | CLONE_SIGHAND);
+	kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND);
 	numa_default_policy();
 	unlock_kernel();
 
@@ -768,7 +768,7 @@ static int noinline init_post(void)
 	panic("No init found.  Try passing init= option to kernel.");
 }
 
-static int __init init(void * unused)
+static int __init kernel_init(void * unused)
 {
 	lock_kernel();
 	/*

lib/Kconfig.debug

@@ -333,6 +333,9 @@ config DEBUG_INFO
 	help
           If you say Y here the resulting kernel image will include
 	  debugging info resulting in a larger kernel image.
+	  This adds debug symbols to the kernel and modules (gcc -g), and
+	  is needed if you intend to use kernel crashdump or binary object
+	  tools like crash, kgdb, LKCD, gdb, etc on the kernel.
 	  Say Y here only if you plan to debug the kernel.
 
 	  If unsure, say N.

net/ipv6/netfilter/Kconfig

@@ -198,7 +198,7 @@ config IP6_NF_RAW
 	  and OUTPUT chains.
 
 	  If you want to compile it as a module, say M here and read
-	  <file:Documentation/modules.txt>.  If unsure, say `N'.
+	  <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
 
 endmenu