linux-kernel - Re: [tip: objtool/urgent] objtool: Fix seg fault with Clang non-section symbols

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Message-ID: <YCU3Vdoqd+EI+zpv@kroah.com>
Date:   Thu, 11 Feb 2021 14:55:33 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Xi Ruoyao <xry111@...gyan1223.wang>
Cc:     stable@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Miroslav Benes <mbenes@...e.cz>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-tip-commits@...r.kernel.org
Subject: Re: [tip: objtool/urgent] objtool: Fix seg fault with Clang
 non-section symbols

On Thu, Feb 11, 2021 at 09:32:03PM +0800, Xi Ruoyao wrote:
> Hi all,
> 
> The latest GNU assembler (binutils-2.36.1) is removing unused section symbols
> like Clang [1].  So linux-5.10.15 can't be built with binutils-2.36.1 now.  It
> has been reported as https://bugzilla.kernel.org/show_bug.cgi?id=211693.

2.36 of binutils fails to build the 4.4.y tree right now as well, but as
objtool isn't there, I don't know what to do about it :(

thanks,

greg k-h