Merge git://git.infradead.org/hdrinstall-2.6

* git://git.infradead.org/hdrinstall-2.6:
  Remove export of include/linux/isdn/tpam.h
  Remove <linux/i2c-id.h> and <linux/i2c-algo-ite.h> from userspace export
  Restrict headers exported to userspace for SPARC and SPARC64
  Add empty Kbuild files for 'make headers_install' in remaining arches.
  Add Kbuild file for Alpha 'make headers_install'
  Add Kbuild file for SPARC 'make headers_install'
  Add Kbuild file for IA64 'make headers_install'
  Add Kbuild file for S390 'make headers_install'
  Add Kbuild file for i386 'make headers_install'
  Add Kbuild file for x86_64 'make headers_install'
  Add Kbuild file for PowerPC 'make headers_install'
  Add generic Kbuild files for 'make headers_install'
  Basic implementation of 'make headers_check'
  Basic implementation of 'make headers_install'

Makefile

@@ -874,6 +874,21 @@ PHONY += depend dep
 depend dep:
 	@echo '*** Warning: make $@ is unnecessary now.'
 
+# ---------------------------------------------------------------------------
+# Kernel headers
+INSTALL_HDR_PATH=$(MODLIB)/abi
+export INSTALL_HDR_PATH
+
+PHONY += headers_install
+headers_install: include/linux/version.h
+	$(Q)unifdef -Ux /dev/null
+	$(Q)rm -rf $(INSTALL_HDR_PATH)/include
+	$(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include
+
+PHONY += headers_check
+headers_check: headers_install
+	$(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include HDRCHECK=1
+
 # ---------------------------------------------------------------------------
 # Modules
 
@@ -1048,6 +1063,8 @@ help:
 	@echo  '  cscope	  - Generate cscope index'
 	@echo  '  kernelrelease	  - Output the release version string'
 	@echo  '  kernelversion	  - Output the version stored in Makefile'
+	@echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
+	@echo  '                    (default: /lib/modules/$$VERSION/abi)'
 	@echo  ''
 	@echo  'Static analysers'
 	@echo  '  checkstack      - Generate a list of stack hogs'

include/Kbuild

+header-y += asm-generic/ linux/ scsi/ sound/ mtd/ rdma/ video/
+header-y += asm-$(ARCH)/ 

include/asm-alpha/Kbuild

+include include/asm-generic/Kbuild.asm
+
+unifdef-y += console.h fpu.h sysinfo.h
+
+header-y += gentrap.h regdef.h pal.h reg.h

include/asm-arm/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-arm26/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-cris/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-frv/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-generic/Kbuild

+header-y += atomic.h errno-base.h errno.h fcntl.h ioctl.h ipc.h mman.h \
+	signal.h statfs.h
+unifdef-y := resource.h siginfo.h

include/asm-generic/Kbuild.asm

+unifdef-y += a.out.h auxvec.h byteorder.h errno.h fcntl.h ioctl.h	\
+	ioctls.h ipcbuf.h irq.h mman.h msgbuf.h param.h poll.h		\
+	posix_types.h ptrace.h resource.h sembuf.h shmbuf.h shmparam.h	\
+	sigcontext.h siginfo.h signal.h socket.h sockios.h stat.h	\
+	statfs.h termbits.h termios.h timex.h types.h unistd.h user.h
+
+# These really shouldn't be exported
+unifdef-y += atomic.h io.h
+
+# These probably shouldn't be exported
+unifdef-y += elf.h page.h

include/asm-h8300/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-i386/Kbuild

+include include/asm-generic/Kbuild.asm
+
+header-y += boot.h cpufeature.h debugreg.h ldt.h setup.h ucontext.h
+
+unifdef-y += mtrr.h vm86.h

include/asm-ia64/Kbuild

+include include/asm-generic/Kbuild.asm
+
+header-y += break.h fpu.h fpswa.h gcc_intrin.h ia64regs.h		\
+	 intel_intrin.h intrinsics.h perfmon_default_smpl.h	\
+	 ptrace_offsets.h rse.h setup.h ucontext.h
+
+unifdef-y += perfmon.h

include/asm-m32r/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-m68k/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-m68knommu/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-mips/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-parisc/Kbuild

+include include/asm-generic/Kbuild.asm

include/asm-powerpc/Kbuild

+include include/asm-generic/Kbuild.asm
+
+unifdef-y += a.out.h asm-compat.h bootx.h byteorder.h cputable.h elf.h	\
+	nvram.h param.h posix_types.h ptrace.h seccomp.h signal.h	\
+	termios.h types.h unistd.h
+
+header-y += auxvec.h ioctls.h mman.h sembuf.h siginfo.h stat.h errno.h	\
+	ipcbuf.h msgbuf.h shmbuf.h socket.h termbits.h fcntl.h ipc.h	\
+	poll.h shmparam.h sockios.h ucontext.h ioctl.h linkage.h	\
+	resource.h sigcontext.h statfs.h

include/asm-s390/Kbuild

+include include/asm-generic/Kbuild.asm
+
+unifdef-y += cmb.h debug.h
+header-y += dasd.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h

include/asm-sh/Kbuild

+include include/asm-generic/Kbuild.asm