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Date: Thu, 30 Nov 2023 14:36:31 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: peterz@...radead.org
Cc: paul.walmsley@...ive.com,
 palmer@...belt.com,
 aou@...s.berkeley.edu,
 tglx@...utronix.de,
 mingo@...hat.com,
 bp@...en8.de,
 dave.hansen@...ux.intel.com,
 x86@...nel.org,
 hpa@...or.com,
 davem@...emloft.net,
 dsahern@...nel.org,
 ast@...nel.org,
 daniel@...earbox.net,
 andrii@...nel.org,
 martin.lau@...ux.dev,
 song@...nel.org,
 yonghong.song@...ux.dev,
 john.fastabend@...il.com,
 kpsingh@...nel.org,
 sdf@...gle.com,
 haoluo@...gle.com,
 jolsa@...nel.org,
 Arnd Bergmann <arnd@...db.de>,
 samitolvanen@...gle.com,
 keescook@...omium.org,
 nathan@...nel.org,
 ndesaulniers@...gle.com,
 linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org,
 bpf@...r.kernel.org,
 linux-arch@...r.kernel.org,
 llvm@...ts.linux.dev,
 jpoimboe@...nel.org,
 joao@...rdrivepizza.com,
 mark.rutland@....com
Subject: [PATCH v2 1/2] cfi: Flip headers

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@...radead.org>
---
 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,



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