(2015/02/18 8:11), David Long wrote:
> From: Sandeepa Prabhu <[email protected]>
> 
> Add info prints in sample kprobe handlers for ARM64
> 
> Signed-off-by: Sandeepa Prabhu <[email protected]>

Looks good to me:)

Acked-by: Masami Hiramatsu <[email protected]>

Thanks!

> ---
>  samples/kprobes/kprobe_example.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/samples/kprobes/kprobe_example.c 
> b/samples/kprobes/kprobe_example.c
> index 366db1a..51d459c 100644
> --- a/samples/kprobes/kprobe_example.c
> +++ b/samples/kprobes/kprobe_example.c
> @@ -42,6 +42,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs 
> *regs)
>                       " ex1 = 0x%lx\n",
>               p->addr, regs->pc, regs->ex1);
>  #endif
> +#ifdef CONFIG_ARM64
> +     pr_info("pre_handler: p->addr = 0x%p, pc = 0x%lx\n",
> +             p->addr, (long)regs->pc);
> +#endif
>  
>       /* A dump_stack() here will give a stack backtrace */
>       return 0;
> @@ -67,6 +71,10 @@ static void handler_post(struct kprobe *p, struct pt_regs 
> *regs,
>       printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
>               p->addr, regs->ex1);
>  #endif
> +#ifdef CONFIG_ARM64
> +     pr_info("post_handler: p->addr = 0x%p, pc = 0x%lx\n",
> +             p->addr, (long)regs->pc);
> +#endif
>  }
>  
>  /*
> 


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: [email protected]


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