linux-kernel - Re: [RFC][PATCH 05/16] objtool: Optimize find_symbol_by

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Message-ID: <alpine.LSU.2.21.2003171253180.2339@pobox.suse.cz>
Date:   Tue, 17 Mar 2020 12:55:01 +0100 (CET)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Peter Zijlstra <peterz@...radead.org>
cc:     tglx@...utronix.de, jpoimboe@...hat.com,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [RFC][PATCH 05/16] objtool: Optimize find_symbol_by_index()

> --- a/tools/objtool/elf.h
> +++ b/tools/objtool/elf.h
> @@ -27,7 +27,6 @@ struct section {
>  	struct list_head list;
>  	GElf_Shdr sh;
>  	struct list_head symbol_list;
> -	DECLARE_HASHTABLE(symbol_hash, 8);
>  	struct list_head rela_list;
>  	DECLARE_HASHTABLE(rela_hash, 16);
>  	struct section *base, *rela;
> @@ -71,7 +70,7 @@ struct elf {
>  	int fd;
>  	char *name;
>  	struct list_head sections;
> -	DECLARE_HASHTABLE(rela_hash, 16);
> +	DECLARE_HASHTABLE(symbol_hash, 20);
>  };

Not that it really matters, but what was rela_hash in struct elf for 
before this?

Miroslav