linux-kernel - Re: [PATCH] um: Fix compile failure due to current_text

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Message-ID: <CABV8kRwdoL6tdneEWBLQcMsKpdG4nAAP+R98O7pBUKJ+-HdWJg@mail.gmail.com>
Date:   Tue, 15 Nov 2016 22:45:11 -0500
From:   Keno Fischer <keno@...iacomputing.com>
To:     Richard Weinberger <richard@....at>
Cc:     linux-kernel@...r.kernel.org, jdike@...toit.com,
        user-mode-linux-devel@...ts.sourceforge.net,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [PATCH] um: Fix compile failure due to current_text_address() definition

Just as an FYI, the linker bug has been fixed in binutils.

On Fri, Nov 11, 2016 at 5:07 PM, Richard Weinberger <richard@....at> wrote:
> On 11.11.2016 22:03, Keno Fischer wrote:
>> Did you have CONFIG_INET set? I'm attaching my full .config. This is
>> on vanilla Ubuntu 16.10.
>
> Yes, CONFIG_INET is set. Let my try on Ubuntu. ;-\
>
>> I did see the same error when building with `CONFIG_STATIC_LINK=y`.
>> Note that I also, separately, ran into a linker problem, though I
>> believe it is unrelated to this patch
>> (though perhaps is related to the problem you're seeing?):
>> https://sourceware.org/bugzilla/show_bug.cgi?id=20800.
>
> This seems to be an UML<->glibc issue.
> memmove() is now an ifunc and for whatever reason it does not work with UML.
>
>> I'd also be happy to provide you with ssh access to the machine that
>> I'm seeing this on if that
>> would be helpful.
>
> Okay, let me try myself first. I think I'm able to install Ubuntu. :)
>
> Thanks,
> //richard