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SubjectRe: [PATCH v3 06/26] objtool: Optimize find_symbol_by_index()
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) <>
> Acked-by: Josh Poimboeuf <>

Reviewed-by: Miroslav Benes <>


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