linux-kernel - Re: libelf-0.175 breaks objtool

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Message-ID: <20200409074130.GD21033@infradead.org>
Date:   Thu, 9 Apr 2020 00:41:30 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-xfs <linux-xfs@...r.kernel.org>
Subject: Re: libelf-0.175 breaks objtool

On Tue, Apr 07, 2020 at 08:44:11PM +0200, Arnd Bergmann wrote:
> That is very possible. The -g has been there since xfs was originally merged
> back in 2002, and I could not figure out why it was there (unlike the
> -DSTATIC=""
> and -DDEBUG flags that are set in the same line).
> 
> On the other hand, my feeling is that setting -g should not cause problems
> with objtool, if CONFIG_DEBUG_INFO is ok.

I suspect we shouldn't force -g ourselves in xfs.  Care to send a patch?