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powerpc/32: Declare stack_overflow_exception() prototype

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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: 3978eb7851 ("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
This commit is contained in:
Cédric Le Goater 2020-09-14 23:10:07 +02:00 committed by Michael Ellerman
parent 2228f19cf9
commit ebbfeef0d8
1 changed files with 1 additions and 0 deletions
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arch/powerpc/include/asm/asm-prototypes.h
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@ -67,6 +67,7 @@ void single_step_exception(struct pt_regs *regs);
void program_check_exception(struct pt_regs *regs);
void alignment_exception(struct pt_regs *regs);
void StackOverflow(struct pt_regs *regs);
void stack_overflow_exception(struct pt_regs *regs);
void kernel_fp_unavailable_exception(struct pt_regs *regs);
void altivec_unavailable_exception(struct pt_regs *regs);
void vsx_unavailable_exception(struct pt_regs *regs);