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Subject[GIT PULL] kbuild changes for v4.9-rc1
Hi Linus,

please pull these kbuild changes for v4.9-rc1:

- EXPORT_SYMBOL for asm source by Al Viro. This does bring a regression,
because genksyms no longer generates checksums for these symbols
(CONFIG_MODVERSIONS). Nick Piggin is working on a patch to fix this.
Plus, we are talking about functions like strcpy(), which rarely
change prototypes.
- Fixes for PPC fallout of the above by Stephen Rothwell and Nick Piggin
- fixdep speedup by Alexey Dobriyan.
- Preparatory work by Nick Piggin to allow architectures to build with
-ffunction-sections, -fdata-sections and --gc-sections
- CONFIG_THIN_ARCHIVES support by Stephen Rothwell
- Fix for filenames with colons in the initramfs source by me.


The following changes since commit 29b4817d4018df78086157ea3a55c1d9424a7cfc:

Linux 4.8-rc1 (2016-08-07 18:18:00 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git kbuild

for you to fetch changes up to 590abbdd273304b55824bcb9ea91840ea375575d:

initramfs: Escape colons in depfile (2016-09-23 10:35:32 +0200)

----------------------------------------------------------------
Al Viro (12):
[kbuild] handle exports in lib-y objects reliably
EXPORT_SYMBOL() for asm
x86: move exports to actual definitions
alpha: move exports to actual definitions
m68k: move exports to definitions
s390: move exports to definitions
arm: move exports to definitions
ppc: move exports to definitions
sparc: move exports to definitions
[sparc] unify 32bit and 64bit string.h
sparc32: debride memcpy.S a bit
ia64: move exports to definitions

Alexey Dobriyan (1):
fixdep: faster CONFIG_ search

Michal Marek (2):
kbuild: Regenerate genksyms lexer
initramfs: Escape colons in depfile

Nicholas Piggin (5):
kbuild: genksyms fix for typeof handling
kbuild: allow archs to select link dead code/data elimination
kbuild: add arch specific post-link Makefile
kbuild: -ffunction-sections fix for archs with conflicting sections
powerpc/64: whitelist unresolved modversions CRCs

Stephen Rothwell (2):
kbuild: allow architectures to use thin archives instead of ld -r
ppc: there is no clear_pages to export

Documentation/kbuild/makefiles.txt | 16 +++
Makefile | 19 +++-
arch/Kconfig | 21 ++++
arch/alpha/include/asm/Kbuild | 1 +
arch/alpha/kernel/Makefile | 2 +-
arch/alpha/kernel/alpha_ksyms.c | 102 -------------------
arch/alpha/kernel/machvec_impl.h | 6 +-
arch/alpha/kernel/setup.c | 1 +
arch/alpha/lib/callback_srm.S | 5 +
arch/alpha/lib/checksum.c | 3 +
arch/alpha/lib/clear_page.S | 3 +-
arch/alpha/lib/clear_user.S | 2 +
arch/alpha/lib/copy_page.S | 3 +-
arch/alpha/lib/copy_user.S | 3 +
arch/alpha/lib/csum_ipv6_magic.S | 2 +
arch/alpha/lib/csum_partial_copy.c | 2 +
arch/alpha/lib/dec_and_lock.c | 2 +
arch/alpha/lib/divide.S | 3 +
arch/alpha/lib/ev6-clear_page.S | 3 +-
arch/alpha/lib/ev6-clear_user.S | 3 +-
arch/alpha/lib/ev6-copy_page.S | 3 +-
arch/alpha/lib/ev6-copy_user.S | 3 +-
arch/alpha/lib/ev6-csum_ipv6_magic.S | 2 +
arch/alpha/lib/ev6-divide.S | 3 +
arch/alpha/lib/ev6-memchr.S | 3 +-
arch/alpha/lib/ev6-memcpy.S | 3 +-
arch/alpha/lib/ev6-memset.S | 7 +-
arch/alpha/lib/ev67-strcat.S | 3 +-
arch/alpha/lib/ev67-strchr.S | 3 +-
arch/alpha/lib/ev67-strlen.S | 3 +-
arch/alpha/lib/ev67-strncat.S | 3 +-
arch/alpha/lib/ev67-strrchr.S | 3 +-
arch/alpha/lib/fpreg.c | 7 ++
arch/alpha/lib/memchr.S | 3 +-
arch/alpha/lib/memcpy.c | 5 +-
arch/alpha/lib/memmove.S | 3 +-
arch/alpha/lib/memset.S | 7 +-
arch/alpha/lib/strcat.S | 2 +
arch/alpha/lib/strchr.S | 3 +-
arch/alpha/lib/strcpy.S | 3 +-
arch/alpha/lib/strlen.S | 3 +-
arch/alpha/lib/strncat.S | 3 +-
arch/alpha/lib/strncpy.S | 3 +-
arch/alpha/lib/strrchr.S | 3 +-
arch/arm/include/asm/Kbuild | 1 +
arch/arm/kernel/Makefile | 2 +-
arch/arm/kernel/armksyms.c | 183 ----------------------------------
arch/arm/kernel/entry-ftrace.S | 3 +
arch/arm/kernel/head.S | 3 +
arch/arm/kernel/smccc-call.S | 3 +
arch/arm/lib/ashldi3.S | 3 +
arch/arm/lib/ashrdi3.S | 3 +
arch/arm/lib/bitops.h | 5 +
arch/arm/lib/bswapsdi2.S | 3 +
arch/arm/lib/clear_user.S | 4 +
arch/arm/lib/copy_from_user.S | 2 +
arch/arm/lib/copy_page.S | 2 +
arch/arm/lib/copy_to_user.S | 4 +
arch/arm/lib/csumipv6.S | 3 +-
arch/arm/lib/csumpartial.S | 2 +
arch/arm/lib/csumpartialcopy.S | 1 +
arch/arm/lib/csumpartialcopygeneric.S | 2 +
arch/arm/lib/csumpartialcopyuser.S | 1 +
arch/arm/lib/delay.c | 2 +
arch/arm/lib/div64.S | 2 +
arch/arm/lib/findbit.S | 9 ++
arch/arm/lib/getuser.S | 9 ++
arch/arm/lib/io-readsb.S | 2 +
arch/arm/lib/io-readsl.S | 2 +
arch/arm/lib/io-readsw-armv3.S | 3 +-
arch/arm/lib/io-readsw-armv4.S | 2 +
arch/arm/lib/io-writesb.S | 2 +
arch/arm/lib/io-writesl.S | 2 +
arch/arm/lib/io-writesw-armv3.S | 2 +
arch/arm/lib/io-writesw-armv4.S | 2 +
arch/arm/lib/lib1funcs.S | 9 ++
arch/arm/lib/lshrdi3.S | 3 +
arch/arm/lib/memchr.S | 2 +
arch/arm/lib/memcpy.S | 3 +
arch/arm/lib/memmove.S | 2 +
arch/arm/lib/memset.S | 3 +
arch/arm/lib/memzero.S | 2 +
arch/arm/lib/muldi3.S | 3 +
arch/arm/lib/putuser.S | 5 +
arch/arm/lib/strchr.S | 2 +
arch/arm/lib/strrchr.S | 2 +
arch/arm/lib/uaccess_with_memcpy.c | 3 +
arch/arm/lib/ucmpdi2.S | 3 +
arch/arm/mach-imx/Makefile | 1 -
arch/arm/mach-imx/ssi-fiq-ksym.c | 20 ----
arch/arm/mach-imx/ssi-fiq.S | 7 +-
arch/ia64/hp/sim/boot/Makefile | 2 +-
arch/ia64/include/asm/export.h | 3 +
arch/ia64/kernel/entry.S | 3 +
arch/ia64/kernel/esi_stub.S | 2 +
arch/ia64/kernel/head.S | 2 +
arch/ia64/kernel/ia64_ksyms.c | 94 +----------------
arch/ia64/kernel/ivt.S | 2 +
arch/ia64/kernel/pal.S | 7 ++
arch/ia64/kernel/setup.c | 4 +
arch/ia64/lib/Makefile | 8 +-
arch/ia64/lib/clear_page.S | 2 +
arch/ia64/lib/clear_user.S | 2 +
arch/ia64/lib/copy_page.S | 2 +
arch/ia64/lib/copy_page_mck.S | 2 +
arch/ia64/lib/copy_user.S | 2 +
arch/ia64/lib/flush.S | 2 +
arch/ia64/lib/idiv32.S | 2 +
arch/ia64/lib/idiv64.S | 2 +
arch/ia64/lib/ip_fast_csum.S | 3 +
arch/ia64/lib/memcpy.S | 2 +
arch/ia64/lib/memcpy_mck.S | 3 +
arch/ia64/lib/memset.S | 2 +
arch/ia64/lib/strlen.S | 2 +
arch/ia64/lib/strlen_user.S | 2 +
arch/ia64/lib/strncpy_from_user.S | 2 +
arch/ia64/lib/strnlen_user.S | 2 +
arch/ia64/lib/xor.S | 5 +
arch/m68k/include/asm/export.h | 3 +
arch/m68k/kernel/Makefile | 2 +-
arch/m68k/kernel/m68k_ksyms.c | 32 ------
arch/m68k/lib/ashldi3.c | 4 +
arch/m68k/lib/ashrdi3.c | 4 +
arch/m68k/lib/divsi3.S | 3 +
arch/m68k/lib/lshrdi3.c | 4 +
arch/m68k/lib/modsi3.S | 3 +
arch/m68k/lib/muldi3.c | 4 +
arch/m68k/lib/mulsi3.S | 4 +-
arch/m68k/lib/udivsi3.S | 4 +-
arch/m68k/lib/umodsi3.S | 4 +-
arch/powerpc/include/asm/Kbuild | 1 +
arch/powerpc/kernel/Makefile | 4 -
arch/powerpc/kernel/entry_32.S | 2 +
arch/powerpc/kernel/entry_64.S | 3 +
arch/powerpc/kernel/epapr_hcalls.S | 2 +
arch/powerpc/kernel/fpu.S | 3 +
arch/powerpc/kernel/head_32.S | 5 +
arch/powerpc/kernel/head_40x.S | 2 +
arch/powerpc/kernel/head_44x.S | 2 +
arch/powerpc/kernel/head_64.S | 2 +
arch/powerpc/kernel/head_8xx.S | 2 +
arch/powerpc/kernel/head_fsl_booke.S | 2 +
arch/powerpc/kernel/misc.S | 2 +
arch/powerpc/kernel/misc_32.S | 10 ++
arch/powerpc/kernel/misc_64.S | 4 +
arch/powerpc/kernel/pci-common.c | 1 +
arch/powerpc/kernel/pci_32.c | 2 +
arch/powerpc/kernel/ppc_ksyms.c | 37 -------
arch/powerpc/kernel/ppc_ksyms_32.c | 60 -----------
arch/powerpc/kernel/setup_32.c | 6 ++
arch/powerpc/kernel/time.c | 1 +
arch/powerpc/kernel/vector.S | 3 +
arch/powerpc/lib/Makefile | 2 +-
arch/powerpc/lib/checksum_32.S | 3 +
arch/powerpc/lib/checksum_64.S | 3 +
arch/powerpc/lib/copy_32.S | 5 +
arch/powerpc/lib/copypage_64.S | 2 +
arch/powerpc/lib/copyuser_64.S | 2 +
arch/powerpc/lib/hweight_64.S | 5 +
arch/powerpc/lib/mem_64.S | 3 +
arch/powerpc/lib/memcmp_64.S | 2 +
arch/powerpc/lib/memcpy_64.S | 2 +
arch/powerpc/lib/ppc_ksyms.c | 29 ------
arch/powerpc/lib/string.S | 6 ++
arch/powerpc/lib/string_64.S | 2 +
arch/powerpc/mm/hash_low_32.S | 3 +
arch/powerpc/relocs_check.sh | 4 +-
arch/powerpc/sysdev/dcr-low.S | 3 +
arch/s390/include/asm/Kbuild | 1 +
arch/s390/kernel/Makefile | 2 +-
arch/s390/kernel/entry.S | 6 ++
arch/s390/kernel/mcount.S | 3 +
arch/s390/kernel/s390_ksyms.c | 15 ---
arch/s390/lib/mem.S | 3 +
arch/sparc/include/asm/Kbuild | 1 +
arch/sparc/include/asm/string.h | 34 +++++++
arch/sparc/include/asm/string_32.h | 56 -----------
arch/sparc/include/asm/string_64.h | 44 --------
arch/sparc/kernel/Makefile | 2 +-
arch/sparc/kernel/entry.S | 3 +
arch/sparc/kernel/head_32.S | 3 +
arch/sparc/kernel/head_64.S | 7 +-
arch/sparc/kernel/helpers.S | 2 +
arch/sparc/kernel/hvcalls.S | 5 +
arch/sparc/kernel/sparc_ksyms.c | 12 +++
arch/sparc/kernel/sparc_ksyms_32.c | 31 ------
arch/sparc/kernel/sparc_ksyms_64.c | 53 ----------
arch/sparc/lib/Makefile | 1 -
arch/sparc/lib/U1memcpy.S | 2 +
arch/sparc/lib/VISsave.S | 2 +
arch/sparc/lib/ashldi3.S | 2 +
arch/sparc/lib/ashrdi3.S | 2 +
arch/sparc/lib/atomic_64.S | 16 ++-
arch/sparc/lib/bitops.S | 7 ++
arch/sparc/lib/blockops.S | 3 +
arch/sparc/lib/bzero.S | 4 +
arch/sparc/lib/checksum_32.S | 3 +
arch/sparc/lib/checksum_64.S | 2 +
arch/sparc/lib/clear_page.S | 3 +
arch/sparc/lib/copy_in_user.S | 2 +
arch/sparc/lib/copy_page.S | 2 +
arch/sparc/lib/copy_user.S | 2 +
arch/sparc/lib/csum_copy.S | 3 +
arch/sparc/lib/divdi3.S | 2 +
arch/sparc/lib/ffs.S | 3 +
arch/sparc/lib/hweight.S | 5 +
arch/sparc/lib/ipcsum.S | 2 +
arch/sparc/lib/ksyms.c | 174 --------------------------------
arch/sparc/lib/locks.S | 5 +
arch/sparc/lib/lshrdi3.S | 2 +
arch/sparc/lib/mcount.S | 2 +
arch/sparc/lib/memcmp.S | 2 +
arch/sparc/lib/memcpy.S | 86 +---------------
arch/sparc/lib/memmove.S | 2 +
arch/sparc/lib/memscan_32.S | 4 +
arch/sparc/lib/memscan_64.S | 4 +
arch/sparc/lib/memset.S | 3 +
arch/sparc/lib/muldi3.S | 2 +
arch/sparc/lib/strlen.S | 2 +
arch/sparc/lib/strncmp_32.S | 2 +
arch/sparc/lib/strncmp_64.S | 2 +
arch/sparc/lib/xor.S | 9 ++
arch/x86/entry/entry_32.S | 2 +
arch/x86/entry/entry_64.S | 2 +
arch/x86/entry/thunk_32.S | 3 +
arch/x86/entry/thunk_64.S | 3 +
arch/x86/include/asm/export.h | 4 +
arch/x86/kernel/Makefile | 4 +-
arch/x86/kernel/head_32.S | 2 +
arch/x86/kernel/head_64.S | 3 +
arch/x86/kernel/i386_ksyms_32.c | 47 ---------
arch/x86/kernel/mcount_64.S | 2 +
arch/x86/kernel/x8664_ksyms_64.c | 85 ----------------
arch/x86/lib/checksum_32.S | 3 +
arch/x86/lib/clear_page_64.S | 2 +
arch/x86/lib/cmpxchg8b_emu.S | 2 +
arch/x86/lib/copy_page_64.S | 2 +
arch/x86/lib/copy_user_64.S | 8 ++
arch/x86/lib/csum-partial_64.c | 1 +
arch/x86/lib/getuser.S | 5 +
arch/x86/lib/hweight.S | 3 +
arch/x86/lib/memcpy_64.S | 4 +
arch/x86/lib/memmove_64.S | 3 +
arch/x86/lib/memset_64.S | 3 +
arch/x86/lib/putuser.S | 5 +
arch/x86/lib/strstr_32.c | 3 +-
arch/x86/um/Makefile | 2 +-
arch/x86/um/checksum_32.S | 2 +
arch/x86/um/ksyms.c | 13 ---
include/asm-generic/export.h | 94 +++++++++++++++++
include/asm-generic/vmlinux.lds.h | 57 ++++++-----
include/linux/compiler.h | 23 +++++
include/linux/export.h | 30 +++---
include/linux/init.h | 38 +++----
init/Makefile | 2 +
scripts/Makefile.build | 43 +++++++-
scripts/Makefile.modpost | 14 ++-
scripts/basic/fixdep.c | 86 ++++++----------
scripts/gen_initramfs_list.sh | 5 +-
scripts/genksyms/lex.l | 35 ++++---
scripts/genksyms/lex.lex.c_shipped | 35 ++++---
scripts/link-vmlinux.sh | 71 +++++++++++--
262 files changed, 1094 insertions(+), 1403 deletions(-)
delete mode 100644 arch/alpha/kernel/alpha_ksyms.c
delete mode 100644 arch/arm/kernel/armksyms.c
delete mode 100644 arch/arm/mach-imx/ssi-fiq-ksym.c
create mode 100644 arch/ia64/include/asm/export.h
create mode 100644 arch/m68k/include/asm/export.h
delete mode 100644 arch/m68k/kernel/m68k_ksyms.c
delete mode 100644 arch/powerpc/kernel/ppc_ksyms.c
delete mode 100644 arch/powerpc/kernel/ppc_ksyms_32.c
delete mode 100644 arch/powerpc/lib/ppc_ksyms.c
delete mode 100644 arch/s390/kernel/s390_ksyms.c
create mode 100644 arch/sparc/kernel/sparc_ksyms.c
delete mode 100644 arch/sparc/kernel/sparc_ksyms_32.c
delete mode 100644 arch/sparc/kernel/sparc_ksyms_64.c
delete mode 100644 arch/sparc/lib/ksyms.c
create mode 100644 arch/x86/include/asm/export.h
delete mode 100644 arch/x86/kernel/i386_ksyms_32.c
delete mode 100644 arch/x86/kernel/x8664_ksyms_64.c
delete mode 100644 arch/x86/um/ksyms.c
create mode 100644 include/asm-generic/export.h

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