linux-kernel - Re: [RFC][PATCH 12/16] objtool: Optimize read

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Message-ID: <20200315165332.xhspzupbebzyc3ud@treble>
Date:   Sun, 15 Mar 2020 11:53:32 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     tglx@...utronix.de, linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [RFC][PATCH 12/16] objtool: Optimize read_sections()

On Thu, Mar 12, 2020 at 02:41:19PM +0100, Peter Zijlstra wrote:
> +++ b/tools/objtool/elf.h
> @@ -25,6 +25,8 @@
>  #define ELF_C_READ_MMAP ELF_C_READ
>  #endif
>  
> +struct elf;
> +
>  struct section {
>  	struct list_head list;
>  	struct hlist_node hash;
> @@ -33,7 +35,7 @@ struct section {
>  	struct rb_root symbol_tree;
>  	struct list_head symbol_list;
>  	struct list_head rela_list;
> -	DECLARE_HASHTABLE(rela_hash, 16);
> +	struct elf *elf;

Instead of adding 'elf' here I'd rather just add it as an argument to
the find_rela_by_dest*() functions.

-- 
Josh