Re: [RFC][PATCH] objtool,ftrace: Implement UNWIND_HINT_RET_OFFSET

[Steven Rostedt]

On Tue, 31 Mar 2020 13:16:52 +0200
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> @@ -235,8 +237,8 @@ SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL)
>  
>  	/* If ORIG_RAX is anything but zero, make this a call to that */
>  	movq ORIG_RAX(%rsp), %rax
> -	cmpq	$0, %rax
> -	je	1f
> +	testq	%rax, %rax
> +	jz	1f
>  
>  	/* Swap the flags with orig_rax */
>  	movq MCOUNT_REG_SIZE(%rsp), %rdi

Hi Peter,

Can you send this change as a separate patch as it has nothing to do with
this current change, and is a clean up patch that stands on its own.

Thanks,

-- Steve