Re: [PATCH -tip v3&10 01/18] kprobes/x86: CleanupRELATIVEJUMP_INSTRUCTION to RELATIVEJUMP_OPCODE

[Mathieu Desnoyers]

* Masami Hiramatsu (mhiramat@xxxxxxxxxx) wrote:
> Change RELATIVEJUMP_INSTRUCTION macro to RELATIVEJUMP_OPCODE since it
> represents just the opcode byte.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>

> 
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Jim Keniston <jkenisto@xxxxxxxxxx>
> Cc: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: Anders Kaseorg <andersk@xxxxxxxxxxx>
> Cc: Tim Abbott <tabbott@xxxxxxxxxxx>
> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
> Cc: Jason Baron <jbaron@xxxxxxxxxx>
> Cc: Mathieu Desnoyers <compudj@xxxxxxxxxxxxxxxxxx>
> ---
> 
>  arch/x86/include/asm/kprobes.h |    2 +-
>  arch/x86/kernel/kprobes.c      |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
> index 4fe681d..eaec8ea 100644
> --- a/arch/x86/include/asm/kprobes.h
> +++ b/arch/x86/include/asm/kprobes.h
> @@ -32,7 +32,7 @@ struct kprobe;
>  
>  typedef u8 kprobe_opcode_t;
>  #define BREAKPOINT_INSTRUCTION	0xcc
> -#define RELATIVEJUMP_INSTRUCTION 0xe9
> +#define RELATIVEJUMP_OPCODE 0xe9
>  #define MAX_INSN_SIZE 16
>  #define MAX_STACK_SIZE 64
>  #define MIN_STACK_SIZE(ADDR)					       \
> diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
> index 5de9f4a..15177cd 100644
> --- a/arch/x86/kernel/kprobes.c
> +++ b/arch/x86/kernel/kprobes.c
> @@ -115,7 +115,7 @@ static void __kprobes set_jmp_op(void *from, void *to)
>  	} __attribute__((packed)) * jop;
>  	jop = (struct __arch_jmp_op *)from;
>  	jop->raddr = (s32)((long)(to) - ((long)(from) + 5));
> -	jop->op = RELATIVEJUMP_INSTRUCTION;
> +	jop->op = RELATIVEJUMP_OPCODE;
>  }
>  
>  /*
> 
> 
> -- 
> Masami Hiramatsu
> 
> Software Engineer
> Hitachi Computer Products (America), Inc.
> Software Solutions Division
> 
> e-mail: mhiramat@xxxxxxxxxx
> 

-- 
Mathieu Desnoyers
Operating System Efficiency Consultant
EfficiOS Inc.
http://www.efficios.com
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