Re: [PATCH 0/3] Handle delay slot for extable lookup

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On Thu, 1 Feb 2024 at 07:46, Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> wrote:
>
>  arch/alpha/include/asm/ptrace.h        | 1 +
>  arch/arc/include/asm/ptrace.h          | 1 +
>  arch/arm/include/asm/ptrace.h          | 1 +
>  arch/csky/include/asm/ptrace.h         | 1 +
>  arch/hexagon/include/uapi/asm/ptrace.h | 1 +
>  arch/loongarch/include/asm/ptrace.h    | 1 +
>  arch/m68k/include/asm/ptrace.h         | 1 +
>  arch/microblaze/include/asm/ptrace.h   | 3 ++-
>  arch/mips/include/asm/ptrace.h         | 2 ++
>  arch/mips/kernel/ptrace.c              | 7 +++++++
>  arch/nios2/include/asm/ptrace.h        | 3 ++-
>  arch/openrisc/include/asm/ptrace.h     | 1 +
>  arch/parisc/include/asm/ptrace.h       | 1 +
>  arch/s390/include/asm/ptrace.h         | 1 +
>  arch/sparc/include/asm/ptrace.h        | 2 ++
>  arch/um/include/asm/ptrace-generic.h   | 1 +
>  mm/memory.c                            | 4 ++--
>  17 files changed, 28 insertions(+), 4 deletions(-)

The only user right now is mm/memory.c, and it doesn't even include
<asm/ptrace.h>, but instead does the proper thing and includes
<linux/ptrace.h>

So please make <linux/ptrace.h> just do

     #ifndef exception_ip
        #define exception_ip(x) instruction_pointer(x)
    #endif

and all those non-MIPS architecture updates should just go away, and
the diffstat should look something like

  arch/mips/kernel/ptrace.c          | 7 +++++++
  include/linux/ptrace.h             | 4 ++++
  mm/memory.c                        | 4 ++--

instead.

                  Linus




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