[PATCH v1 0/8] Miscellaneous user access improvement

From: Christophe Leroy
Date: Wed Mar 10 2021 - 12:57:44 EST


Patches 1-3 are cleaning parts of uaccess.h not related
to put_user/get_user
Patch 4 removes some usage of consecutives __get_user
Patches 5 rewrite __patch_instruction to not use uaccess.h internals.
Patches 6-8 switch some parts of code to user_access_begin/end blocks

All patches are independant.

Christophe Leroy (8):
powerpc/uaccess: Also perform 64 bits copies in unsafe_copy_to_user()
on ppc32
powerpc/uaccess: Swap clear_user() and __clear_user()
powerpc/uaccess: Move copy_mc_xxx() functions down
powerpc/syscalls: Use sys_old_select() in ppc_select()
powerpc/lib: Don't use __put_user_asm_goto() outside of uaccess.h
powerpc/net: Switch csum_and_copy_{to/from}_user to user_access block
powerpc/futex: Switch to user_access block
powerpc/ptrace: Convert gpr32_set_common() to user access block

arch/powerpc/include/asm/futex.h | 12 ++--
arch/powerpc/include/asm/ptrace.h | 2 +-
arch/powerpc/include/asm/uaccess.h | 75 ++++++++++++------------
arch/powerpc/include/asm/unistd.h | 1 +
arch/powerpc/kernel/ptrace/ptrace-view.c | 30 ++++++----
arch/powerpc/kernel/syscalls.c | 12 +---
arch/powerpc/lib/checksum_wrappers.c | 15 ++---
arch/powerpc/lib/code-patching.c | 13 ++--
8 files changed, 77 insertions(+), 83 deletions(-)

--
2.25.0