linux-kernel - Re: [PATCH v3 15/26] objtool: Delete cleanup()

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Message-ID: <alpine.LSU.2.21.2003251311150.21800@pobox.suse.cz>
Date:   Wed, 25 Mar 2020 13:11:38 +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, mhiramat@...nel.org,
        brgerst@...il.com
Subject: Re: [PATCH v3 15/26] objtool: Delete cleanup()

On Tue, 24 Mar 2020, Peter Zijlstra wrote:

> Perf shows we spend a measurable amount of time spend cleaning up
> right before we exit anyway. Avoid the needsless work and just
> terminate.
> 
> This reduces objtool on vmlinux.o runtime from 5.4s to 4.8s
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> Acked-by: Josh Poimboeuf <jpoimboe@...hat.com>

Reviewed-by: Miroslav Benes <mbenes@...e.cz>

M