Merge git://git.infradead.org/~dwmw2/khdrs-2.6

* git://git.infradead.org/~dwmw2/khdrs-2.6:
  New 'make headers_install_all' target.
  Use dependencies for 'make headers_install'.
  [S390] Unexport <asm/z90crypt.h>, export <asm/zcrypt.h> in its place.
  Remove dead netfilter_logging.h from include/linux/Kbuild
  Remove offsetof() from user-visible <linux/stddef.h>
  Clean up exported headers on CRIS
  Fix v850 exported headers
  Don't advertise (or allow) headers_{install,check} where inappropriate.
  Remove UML header export
  Remove ARM26 header export.
  Fix H8300 exported headers.
  Fix m68knommu exported headers
  Fix exported headers for SPARC, SPARC64
  Fix 'make headers_check' on m32r
  Fix 'make headers_check' on sh64
  Fix 'make headers_check' on sh
  [HEADERS] Fix ARM 'make headers_check'

Initial pass of manual conflict resolution in top-level Makefile over
conflicting build rule and headers_install changes.

diff --cc Makefile
index fce530a,b78c88d..7a06c16
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -921,11 -892,22 +921,23 @@@ depend dep
  INSTALL_HDR_PATH=$(objtree)/usr
  export INSTALL_HDR_PATH
  
 -headers_install_all: include/linux/version.h
 -      $(Q)unifdef -Ux /dev/null
+ HDRARCHES=$(filter-out generic,$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))
+ 
+ PHONY += headers_install_all
 -       $(MAKE) ARCH=$$arch -rR -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
++headers_install_all: include/linux/version.h scripts_basic FORCE
++      $(Q)$(MAKE) $(build)=scripts scripts/unifdef
+       $(Q)for arch in $(HDRARCHES); do \
++       $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
+        done
+ 
  PHONY += headers_install
 -headers_install: include/linux/version.h
 +headers_install: include/linux/version.h scripts_basic FORCE
+       @if [ ! -r include/asm-$(ARCH)/Kbuild ]; then \
+         echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
+         exit 1 ; fi
 -      $(Q)unifdef -Ux /dev/null
 -      $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include
 +      $(Q)$(MAKE) $(build)=scripts scripts/unifdef
 +      $(Q)rm -rf $(INSTALL_HDR_PATH)/include
 +      $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include
  
  PHONY += headers_check
  headers_check: headers_install

diff --cc scripts/Makefile.headersinst
Simple merge