linux-kernel - Re: [PATCH] avr32: fix 'undefined reference to `___copy_from

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Message-ID: <41b00457-58e5-610d-22d4-89a9d6fffa3a@roeck-us.net>
Date:   Sun, 18 Sep 2016 07:44:10 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Hans-Christian Noren Egtvedt <egtvedt@...fundet.no>
Cc:     Håvard Skinnemoen <hskinnemoen@...il.com>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] avr32: fix 'undefined reference to `___copy_from_user'

On 09/18/2016 02:46 AM, Hans-Christian Noren Egtvedt wrote:
> Around Sat 17 Sep 2016 13:09:17 -0700 or thereabout, Guenter Roeck wrote:
>> On 09/17/2016 09:52 AM, Håvard Skinnemoen wrote:
>>> On Sat, Sep 17, 2016 at 7:56 AM, Guenter Roeck <linux@...ck-us.net> wrote:
>>>> avr32 builds fail with:
>>>>
>>>> arch/avr32/kernel/built-in.o: In function `arch_ptrace':
>>>> (.text+0x650): undefined reference to `___copy_from_user'
>>>> arch/avr32/kernel/built-in.o:(___ksymtab+___copy_from_user+0x0): undefined
>>>> reference to `___copy_from_user'
>>>> kernel/built-in.o: In function `proc_doulongvec_ms_jiffies_minmax':
>>>> (.text+0x5dd8): undefined reference to `___copy_from_user'
>>>> kernel/built-in.o: In function `proc_dointvec_minmax_sysadmin':
>>>> sysctl.c:(.text+0x6174): undefined reference to `___copy_from_user'
>>>> kernel/built-in.o: In function `ptrace_has_cap':
>>>> ptrace.c:(.text+0x69c0): undefined reference to `___copy_from_user'
>>>> kernel/built-in.o:ptrace.c:(.text+0x6b90): more undefined references to
>>>> `___copy_from_user' follow
>>>>
>>>> Fixes: 8630c32275ba ("avr32: fix copy_from_user()")
>>>> Cc: Al Viro <viro@...iv.linux.org.uk>
>>>> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
>>>
>>> Right, gmail loves HTML. Let me try this again...
>>>
>>> Acked-by: Havard Skinnemoen <hskinnemoen@...il.com>
>
> Acked-by: Hans-Christian Noren Egtvedt <egtvedt@...fundet.no>
>
>>> Thanks!
>>>
>> You are welcome ... I'll wait until tomorrow to see if Al wants to send this
>> patch and the patch for the openrisc failure to Linus; if I don't hear back,
>> I'll do it myself.
>
> Thanks, I have no other fixes for AVR32. But let me know if you want me to
> push it through linux-avr32.
>
I have another related fix (for openrisc), so let me just send both.
I'll do that in an hour or so.

Thanks,
Guenter