Commit ebbfeef0 authored Sep 14, 2020 by Cédric Le Goater Committed by Michael Ellerman Sep 18, 2020

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: 3978eb78 ("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

parent 2228f19c

arch/powerpc/include/asm/asm-prototypes.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);

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