Re: [PATCH] tty: n_hdlc: fix build on SPARC

From: John Paul Adrian Glaubitz
Date: Wed Oct 30 2019 - 15:29:49 EST


On 10/30/19 7:34 PM, Kees Cook wrote:
> On Mon, Sep 30, 2019 at 07:15:12PM -0700, Randy Dunlap wrote:
>> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>>
>> Fix tty driver build on SPARC by not using __exitdata.
>> It appears that SPARC does not support section .exit.data.
>>
>> Fixes these build errors:
>>
>> `.exit.data' referenced in section `.exit.text' of drivers/tty/n_hdlc.o: defined in discarded section `.exit.data' of drivers/tty/n_hdlc.o
>> `.exit.data' referenced in section `.exit.text' of drivers/tty/n_hdlc.o: defined in discarded section `.exit.data' of drivers/tty/n_hdlc.o
>> `.exit.data' referenced in section `.exit.text' of drivers/tty/n_hdlc.o: defined in discarded section `.exit.data' of drivers/tty/n_hdlc.o
>> `.exit.data' referenced in section `.exit.text' of drivers/tty/n_hdlc.o: defined in discarded section `.exit.data' of drivers/tty/n_hdlc.o
>>
>> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
>> Fixes: 063246641d4a ("format-security: move static strings to const")
>> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> Wow. That commit is from 2.5 years ago. Is the SPARC port still alive?
Yes, it is. No idea why we didn't run into this. I assume it affects certain
configurations only. On Debian, we are always compiling and running the
latest kernel versions on sparc64.

Adrian

--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@xxxxxxxxxx
`. `' Freie Universitaet Berlin - glaubitz@xxxxxxxxxxxxxxxxxxx
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