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From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: [RFC][PATCH 04/16] objtool: Annotate identity_mapped()
Date: Sun, 15 Mar 2020 10:45:08 -0500	[thread overview]
Message-ID: <20200315154508.m4b6ttdp3hb7pfla@treble> (raw)
In-Reply-To: <20200313143429.GB12521@hirez.programming.kicks-ass.net>

On Fri, Mar 13, 2020 at 03:34:29PM +0100, Peter Zijlstra wrote:
> This conflicts with:
> 
>   7acfe5315312 ("objtool: Improve call destination function detection")
> 
> which wasn't in the tree we were working against :/
> 
> I've resolved it something like so.
> 
> ---
> --- a/tools/objtool/check.c
> +++ b/tools/objtool/check.c
> @@ -406,7 +406,7 @@ static void add_ignores(struct objtool_f
>  {
>  	struct instruction *insn;
>  	struct section *sec;
> -	struct symbol *func;
> +	struct symbol *sym;
>  	struct rela *rela;
>  
>  	sec = find_section_by_name(file->elf, ".rela.discard.func_stack_frame_non_standard");
> @@ -416,12 +416,12 @@ static void add_ignores(struct objtool_f
>  	list_for_each_entry(rela, &sec->rela_list, list) {
>  		switch (rela->sym->type) {
>  		case STT_FUNC:
> -			func = rela->sym;
> +			sym = rela->sym;
>  			break;
>  
>  		case STT_SECTION:
> -			func = find_func_by_offset(rela->sym->sec, rela->addend);
> -			if (!func)
> +			sym = find_symbol_by_offset(rela->sym->sec, rela->addend);
> +			if (!sym || (sym->type != STT_FUNC || sym->type != STT_NOTYPE))
                                                           ^^
							   &&

-- 
Josh


  reply	other threads:[~2020-03-15 15:46 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-12 13:41 [RFC][PATCH 00/16] objtool: vmlinux.o and noinstr validation Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 01/16] objtool: Introduce validate_return() Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 02/16] objtool: Rename func_for_each_insn() Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 03/16] objtool: Rename func_for_each_insn_all() Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 04/16] objtool: Annotate identity_mapped() Peter Zijlstra
2020-03-13 14:34   ` Peter Zijlstra
2020-03-15 15:45     ` Josh Poimboeuf [this message]
2020-03-13 16:46   ` Brian Gerst
2020-03-13 17:22     ` Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 05/16] objtool: Optimize find_symbol_by_index() Peter Zijlstra
2020-03-15 16:09   ` Josh Poimboeuf
2020-03-15 16:18     ` Josh Poimboeuf
2020-03-15 16:10   ` Josh Poimboeuf
2020-03-17 11:55   ` Miroslav Benes
2020-03-17 14:08     ` Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 06/16] objtool: Add a statistics mode Peter Zijlstra
2020-03-15 16:20   ` Josh Poimboeuf
2020-03-12 13:41 ` [RFC][PATCH 07/16] objtool: Optimize find_section_by_index() Peter Zijlstra
2020-03-15 16:24   ` Josh Poimboeuf
2020-03-12 13:41 ` [RFC][PATCH 08/16] Optimize find_section_by_name() Peter Zijlstra
2020-03-15 16:25   ` Josh Poimboeuf
2020-03-17 12:22   ` Miroslav Benes
2020-03-17 14:10     ` Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 09/16] objtool: Optimize find_symbol_*() and read_symbols() Peter Zijlstra
2020-03-15 15:48   ` Josh Poimboeuf
2020-03-15 16:41   ` Josh Poimboeuf
2020-03-12 13:41 ` [RFC][PATCH 10/16] objtool: Resize insn_hash Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 11/16] objtool: Optimize find_symbol_by_name() Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 12/16] objtool: Optimize read_sections() Peter Zijlstra
2020-03-15 16:53   ` Josh Poimboeuf
2020-03-12 13:41 ` [RFC][PATCH 13/16] objtool: Delete cleanup() Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 14/16] objtool: Optimize find_rela_by_dest_range() Peter Zijlstra
2020-03-12 13:41 ` [RFC][PATCH 15/16] objtool: Implement noinstr validation Peter Zijlstra
2020-03-15 18:03   ` Josh Poimboeuf
2020-03-16 13:24     ` Peter Zijlstra
2020-03-16 16:19       ` Josh Poimboeuf
2020-03-16 16:21         ` Josh Poimboeuf
2020-03-16 16:46           ` Peter Zijlstra
2020-03-16 16:48         ` Peter Zijlstra
2020-03-16 19:20           ` Josh Poimboeuf
2020-03-12 13:41 ` [RFC][PATCH 16/16] objtool: Optimize !vmlinux.o again Peter Zijlstra
2020-03-12 21:57   ` [RFC][PATCH v2 " Peter Zijlstra
2020-03-12 16:23 ` [RFC][PATCH 00/16] objtool: vmlinux.o and noinstr validation Peter Zijlstra
2020-03-12 17:44   ` Josh Poimboeuf
2020-03-12 22:23   ` Peter Zijlstra
2020-03-17  0:56   ` Masami Hiramatsu
2020-03-17  9:26     ` Thomas Gleixner
2020-03-17 14:20       ` Masami Hiramatsu
2020-03-17 12:14     ` Peter Zijlstra
2020-03-15 18:12 ` Josh Poimboeuf

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