[PATCH v2 0/7] Unify <linux/export.h> and <asm/export.h>, remove EXPORT_DATA_SYMBOL(), faster TRIM_UNUSED_KSYMS

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This patch set refactors EXPORT_SYMBOL, <linux/export.h> and <asm/export.h>.
Also, re-implement TRIM_UNUSED_KSYMS in one-pass.

You can still put EXPORT_SYMBOL() in *.S file, very close to the definition,
but you do not need to care about whether it is a function or a data.
Remove EXPORT_DATA_SYMBOL().

In v1, I broke ia64 because of missing distinction between functions and data.

V2 handles it correctly.
If the exported symbols is a function, KSYMTAB_FUNC is output.
Otherwise, KSYMTAB_DATA is output.



Masahiro Yamada (7):
  kbuild: generate KSYMTAB entries by modpost
  ia64,export.h: replace EXPORT_DATA_SYMBOL* with EXPORT_SYMBOL*
  modpost: merge sym_update_namespace() into sym_add_exported()
  modpost: use null string instead of NULL pointer for default namespace
  modpost: squash report_sec_mismatch() and remove enum mismatch
  kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
  kbuild: move modules.builtin(.modinfo) rules to Makefile.vmlinux_o

 .gitignore                      |   1 -
 Makefile                        |  24 +---
 arch/ia64/include/asm/Kbuild    |   1 +
 arch/ia64/include/asm/export.h  |   3 -
 arch/ia64/kernel/head.S         |   2 +-
 arch/ia64/kernel/ivt.S          |   2 +-
 include/asm-generic/export.h    |  83 +-----------
 include/linux/export-internal.h |  67 +++++++++-
 include/linux/export.h          | 114 +++-------------
 kernel/module/internal.h        |   1 +
 kernel/module/main.c            |   1 -
 scripts/Makefile.build          |  15 +--
 scripts/Makefile.modpost        |   8 +-
 scripts/Makefile.vmlinux_o      |  26 +++-
 scripts/adjust_autoksyms.sh     |  73 ----------
 scripts/basic/fixdep.c          |   3 +-
 scripts/check-local-export      |   4 +-
 scripts/gen_autoksyms.sh        |  62 ---------
 scripts/gen_ksymdeps.sh         |  30 -----
 scripts/link-vmlinux.sh         |  12 +-
 scripts/mod/modpost.c           | 228 ++++++++++++++++----------------
 scripts/mod/modpost.h           |   1 +
 scripts/remove-stale-files      |   2 +
 23 files changed, 258 insertions(+), 505 deletions(-)
 delete mode 100644 arch/ia64/include/asm/export.h
 delete mode 100755 scripts/adjust_autoksyms.sh
 delete mode 100755 scripts/gen_autoksyms.sh
 delete mode 100755 scripts/gen_ksymdeps.sh

-- 
2.34.1




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