linux-kernel - Re: [PATCH V2 1/9] objtool: Introduce HINT_RET

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Message-ID: <20200407125323.GY20730@hirez.programming.kicks-ass.net>
Date:   Tue, 7 Apr 2020 14:53:23 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Alexandre Chartre <alexandre.chartre@...cle.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, jpoimboe@...hat.com,
        jthierry@...hat.com, tglx@...utronix.de
Subject: Re: [PATCH V2 1/9] objtool: Introduce HINT_RET_OFFSET

On Tue, Apr 07, 2020 at 09:31:34AM +0200, Alexandre Chartre wrote:
> diff --git a/tools/objtool/check.h b/tools/objtool/check.h
> index 6d875ca6fce0..7a91497fee7e 100644
> --- a/tools/objtool/check.h
> +++ b/tools/objtool/check.h
> @@ -33,9 +33,12 @@ struct instruction {
>  	unsigned int len;
>  	enum insn_type type;
>  	unsigned long immediate;
> -	bool alt_group, dead_end, ignore, hint, save, restore, ignore_alts;
> +	unsigned int alt_group;

^^ that wants to be in a later patch I'm thinking

> +	bool dead_end, ignore, ignore_alts;
> +	bool hint, save, restore;
>  	bool retpoline_safe;
>  	u8 visited;
> +	u8 ret_offset;
>  	struct symbol *call_dest;
>  	struct instruction *jump_dest;
>  	struct instruction *first_jump_src;
> -- 
> 2.18.2
>