linux-kernel - Re: "objtool orc" creates invalid file arch/x86/kernel/time.o

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Message-ID: <CAK8P3a27L=+NQsQ3MpAoM+WsdC5-k8nPfHNz_5vfeXBng8OqMQ@mail.gmail.com>
Date:   Fri, 15 Sep 2017 00:06:57 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: "objtool orc" creates invalid file arch/x86/kernel/time.o

On Thu, Sep 14, 2017 at 11:44 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Thu, Sep 14, 2017 at 11:00 PM, Josh Poimboeuf <jpoimboe@...hat.com> wrote:
>> On Sun, Sep 10, 2017 at 10:38:58PM +0200, Arnd Bergmann wrote:
>>> Hi Josh,
>>>
>>> I have a randconfig build that produces a link error:
>>>
>>> built-in.o: member arch/x86/kernel/time.o in archive is not an object
>>>
>>> I've traced it down to the "objtool orc generate" command that appears
>>> to corrupt the file, by running the same commands that 'make' calls:
>>
>> Thanks, I was able to recreate with your config.  I'll post the patch
>> soon (here's the preview):
>
> Ok, thanks! I've added it to my randconfig test tree. With this build error,
> I now have three failing configs, two with the same file, and another one
> in a timer driver. I'll see if the patch addresses all three of them, but
> won't have the results until tomorrow.

I guess it must be 'tomorrow' in my time zone now ;-)

The patch fixed all three configurations.

       Arnd