linux-kernel - Re: [PATCH] [RFC] x86: avoid -mtune=atom for objtool warnings

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Date:   Wed, 1 Mar 2017 10:34:42 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Denys Vlasenko <dvlasenk@...hat.com>
Subject: Re: [PATCH] [RFC] x86: avoid -mtune=atom for objtool warnings

On Tue, Oct 11, 2016 at 10:38 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Tuesday, October 11, 2016 10:51:46 AM CEST Josh Poimboeuf wrote:
>>
>> 3) 0xFC244C03-config:
>> drivers/scsi/fnic/fnic_main.o: warning: objtool: fnic_log_q_error() falls through to next function fnic_handle_link_event()
>> drivers/scsi/snic/snic_res.o: warning: objtool: .text: unexpected end of section
>>
>> These look like another bad gcc bug which is truncating functions:
>
> Same bug for both of them?

I ran into this one again today, after updating to the latest gcc-7.0.1:

drivers/infiniband/sw/rxe/rxe_resp.o: warning: objtool:
rxe_responder()+0xfe: sibling call from callable instruction with
changed frame pointer

Josh, did you get around to updating objtool the last time I reported it, or
is it still the same problem? If this is a new variation, I can provide more
details about the failure, otherwise I'll just ignore it for now.

    Arnd