Cédric Le Goater ebbfeef0d8 powerpc/32: Declare stack_overflow_exception() prototype
This fixes a compile error with W=1.

CC      arch/powerpc/kernel/traps.o
../arch/powerpc/kernel/traps.c:1663:6: error: no previous prototype for ‘stack_overflow_exception’ [-Werror=missing-prototypes]
 void stack_overflow_exception(struct pt_regs *regs)
      ^~~~~~~~~~~~~~~~~~~~~~~~

Fixes: 3978eb78517c ("powerpc/32: Add early stack overflow detection with VMAP stack.")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200914211007.2285999-8-clg@kaod.org
2020-09-18 20:05:25 +10:00
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