From: Michael Ellerman Date: Thu, 30 Nov 2023 11:44:33 +0000 (+1100) Subject: powerpc: Fix build error due to is_valid_bugaddr() X-Git-Tag: v6.6.17~446 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=641c67d59fd0deb2ce4079e53c9202f7a384b340;p=platform%2Fkernel%2Flinux-starfive.git powerpc: Fix build error due to is_valid_bugaddr() [ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ] With CONFIG_GENERIC_BUG=n the build fails with: arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for ‘is_valid_bugaddr’ [-Werror=missing-prototypes] 1442 | int is_valid_bugaddr(unsigned long addr) | ^~~~~~~~~~~~~~~~ The prototype is only defined, and the function is only needed, when CONFIG_GENERIC_BUG=y, so move the implementation under that. Signed-off-by: Michael Ellerman Link: https://msgid.link/20231130114433.3053544-2-mpe@ellerman.id.au Signed-off-by: Sasha Levin --- diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index fe3f720..2de7f6d 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1439,10 +1439,12 @@ static int emulate_instruction(struct pt_regs *regs) return -EINVAL; } +#ifdef CONFIG_GENERIC_BUG int is_valid_bugaddr(unsigned long addr) { return is_kernel_addr(addr); } +#endif #ifdef CONFIG_MATH_EMULATION static int emulate_math(struct pt_regs *regs)