Re: [PATCH v3 06/26] objtool: Optimize find_symbol_by_index()

[Miroslav Benes]

On Tue, 24 Mar 2020, Peter Zijlstra wrote:

> The symbol index is object wide, not per section, so it makes no sense
> to have the symbol_hash be part of the section object. By moving it to
> the elf object we avoid the linear sections iteration.
> 
> This reduces the runtime of objtool on vmlinux.o from over 3 hours (I
> gave up) to a few minutes. The defconfig vmlinux.o has around 20k
> sections.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

Reviewed-by: Miroslav Benes <mbenes@xxxxxxx>

M