linux-kernel - Re: [PATCH v3 16/16] objtool,x86: Rewrite retpoline thunk calls

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Message-ID: <YL5jQ6wMo9WeQDYJ@hirez.programming.kicks-ass.net>
Date:   Mon, 7 Jun 2021 20:19:47 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Fāng-ruì Sòng <maskray@...gle.com>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>, lma@...ihalf.com,
        Guenter Roeck <groeck@...gle.com>,
        Juergen Gross <jgross@...e.com>, lb@...ihalf.com,
        LKML <linux-kernel@...r.kernel.org>, mbenes@...e.com,
        Radosław Biernacki <rad@...ihalf.com>,
        upstream@...ihalf.com,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>
Subject: Re: [PATCH v3 16/16] objtool,x86: Rewrite retpoline thunk calls

On Sat, Jun 05, 2021 at 06:58:39PM -0700, Fāng-ruì Sòng wrote:

> You may use https://github.com/llvm/llvm-project/blob/main/llvm/tools/llvm-objcopy/ELF/Object.cpp#L843
> as a reference.

BTW, Error::success(), is that a successfull error, or an erroneous
success? :-))