Normal include order is that linux/foo.h should include asm/foo.h, CFI has it the wrong way around. Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> --- arch/riscv/include/asm/cfi.h | 3 ++- arch/riscv/kernel/cfi.c | 2 +- arch/x86/include/asm/cfi.h | 3 ++- arch/x86/kernel/cfi.c | 4 ++-- include/asm-generic/Kbuild | 1 + include/asm-generic/cfi.h | 5 +++++ include/linux/cfi.h | 1 + 7 files changed, 14 insertions(+), 5 deletions(-) --- a/arch/riscv/include/asm/cfi.h +++ b/arch/riscv/include/asm/cfi.h @@ -7,8 +7,9 @@ * * Copyright (C) 2023 Google LLC */ +#include <linux/bug.h> -#include <linux/cfi.h> +struct pt_regs; #ifdef CONFIG_CFI_CLANG enum bug_trap_type handle_cfi_failure(struct pt_regs *regs); --- a/arch/riscv/kernel/cfi.c +++ b/arch/riscv/kernel/cfi.c @@ -4,7 +4,7 @@ * * Copyright (C) 2023 Google LLC */ -#include <asm/cfi.h> +#include <linux/cfi.h> #include <asm/insn.h> /* --- a/arch/x86/include/asm/cfi.h +++ b/arch/x86/include/asm/cfi.h @@ -7,8 +7,9 @@ * * Copyright (C) 2022 Google LLC */ +#include <linux/bug.h> -#include <linux/cfi.h> +struct pt_regs; #ifdef CONFIG_CFI_CLANG enum bug_trap_type handle_cfi_failure(struct pt_regs *regs); --- a/arch/x86/kernel/cfi.c +++ b/arch/x86/kernel/cfi.c @@ -4,10 +4,10 @@ * * Copyright (C) 2022 Google LLC */ -#include <asm/cfi.h> +#include <linux/string.h> +#include <linux/cfi.h> #include <asm/insn.h> #include <asm/insn-eval.h> -#include <linux/string.h> /* * Returns the target address and the expected type when regs->ip points --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -11,6 +11,7 @@ mandatory-y += bitops.h mandatory-y += bug.h mandatory-y += bugs.h mandatory-y += cacheflush.h +mandatory-y += cfi.h mandatory-y += checksum.h mandatory-y += compat.h mandatory-y += current.h --- /dev/null +++ b/include/asm-generic/cfi.h @@ -0,0 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_GENERIC_CFI_H +#define __ASM_GENERIC_CFI_H + +#endif /* __ASM_GENERIC_CFI_H */ --- a/include/linux/cfi.h +++ b/include/linux/cfi.h @@ -9,6 +9,7 @@ #include <linux/bug.h> #include <linux/module.h> +#include <asm/cfi.h> #ifdef CONFIG_CFI_CLANG enum bug_trap_type report_cfi_failure(struct pt_regs *regs, unsigned long addr,