[Uclinux-h8-devel] [PATCH 0/5] asm-generic: strncpy_from_user/strnlen_user cleanup

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Arnd Bergmann arnd****@kerne*****
2021年 5月 15日 (土) 07:09:37 JST


From: Arnd Bergmann <arnd****@arndb*****>

As I've queued up some patches for include/asm-generic/unistd.h, I
remembered an older series that I created but never submitted.

These two functions appear to be unnecessarily different between
architectures, and the asm-generic version is a bit questionable,
even for NOMMU architectures.

Clean this up to just use the generic library version for anything
that uses the generic version today.

       Arnd

Arnd Bergmann (5):
  asm-generic/uaccess.h: remove __strncpy_from_user/__strnlen_user
  hexagon: use generic strncpy/strnlen from_user
  arc: use generic strncpy/strnlen from_user
  asm-generic: uaccess: remove inline strncpy_from_user/strnlen_user
  asm-generic: remove extra strn{cpy_from,len}_user declarations

 arch/arc/Kconfig                    |   2 +
 arch/arc/include/asm/uaccess.h      |  72 ----------------
 arch/arc/mm/extable.c               |  12 ---
 arch/h8300/Kconfig                  |   2 +
 arch/hexagon/Kconfig                |   2 +
 arch/hexagon/include/asm/uaccess.h  |  31 -------
 arch/hexagon/kernel/hexagon_ksyms.c |   1 -
 arch/hexagon/mm/Makefile            |   2 +-
 arch/hexagon/mm/strnlen_user.S      | 126 ----------------------------
 arch/m68k/Kconfig                   |   4 +-
 arch/riscv/Kconfig                  |   4 +-
 arch/um/include/asm/uaccess.h       |   5 +-
 arch/um/kernel/skas/uaccess.c       |   5 +-
 include/asm-generic/uaccess.h       |  52 ++----------
 14 files changed, 24 insertions(+), 296 deletions(-)
 delete mode 100644 arch/hexagon/mm/strnlen_user.S

-- 
2.29.2

Cc: Christoph Hellwig <hch****@lst*****>
Cc: Al Viro <viro****@zeniv*****>
Cc: Vineet Gupta <vgupt****@synop*****>
Cc: Yoshinori Sato <ysato****@users*****>
Cc: Brian Cain <bcain****@codea*****>
Cc: Geert Uytterhoeven <geert****@linux*****>
Cc: Paul Walmsley <paul.****@sifiv*****>
Cc: Palmer Dabbelt <palme****@dabbe*****>
Cc: Albert Ou <aou****@eecs*****>
Cc: Jeff Dike <jdike****@addto*****>
Cc: Richard Weinberger <richa****@nod*****>
Cc: Anton Ivanov <anton****@cambr*****>
Cc: Arnd Bergmann <arnd****@arndb*****>
Cc: Sid Manning <sidne****@codea*****>
Cc: Andrew Morton <akpm****@linux*****>
Cc: Mike Rapoport <rppt****@kerne*****>
Cc: linux****@lists*****
Cc: linux****@vger*****
Cc: uclin****@lists*****
Cc: linux****@vger*****
Cc: linux****@lists*****
Cc: linux****@lists*****
Cc: linux****@lists*****
Cc: linux****@vger*****



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