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SubjectRe: [PATCH] tty: n_hdlc: fix build on SPARC
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From: Randy Dunlap <rdunlap@infradead.org>
Date: Mon, 30 Sep 2019 19:15:12 -0700

> From: Randy Dunlap <rdunlap@infradead.org>
>
> 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@intel.com>
> Fixes: 063246641d4a ("format-security: move static strings to const")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>

I'll add an .exit.data to arch/sparc/kernel/vmlinux.lds.S to fix this.

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