Re: [PATCH 3/3 v6] livepatch: Use the default ftrace_ops instead of REGS when ARGS is available

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> diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
> index e00fe88146e0..7c9474d52060 100644
> --- a/arch/x86/include/asm/ftrace.h
> +++ b/arch/x86/include/asm/ftrace.h
> @@ -54,6 +54,9 @@ arch_ftrace_get_regs(struct ftrace_regs *fregs)
>  		return NULL;
>  	return &fregs->regs;
>  }
> +
> +#define ftrace_instruction_pointer_set(fregs, ip)	\
> +	do { (fregs)->regs.ip = (_ip); } while (0)
>  #endif
>  
>  #ifdef CONFIG_DYNAMIC_FTRACE
> diff --git a/arch/x86/include/asm/livepatch.h b/arch/x86/include/asm/livepatch.h
> index 1fde1ab6559e..59a08d5c6f1d 100644
> --- a/arch/x86/include/asm/livepatch.h
> +++ b/arch/x86/include/asm/livepatch.h
> @@ -12,9 +12,9 @@
>  #include <asm/setup.h>
>  #include <linux/ftrace.h>
>  
> -static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
> +static inline void klp_arch_set_pc(struct ftrace_regs *fregs, unsigned long ip)
>  {
> -	regs->ip = ip;
> +	ftrace_regs_set_ip(fregs, ip);

You forgot to update the call site :)

Miroslav



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