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Subject[tip: locking/kcsan] compiler.h: Move function attributes to compiler_types.h
The following commit has been merged into the locking/kcsan branch of tip:

Commit-ID: 9a4e6db6161cc3b31c6202f8d7a9495e0c2ecda7
Gitweb: https://git.kernel.org/tip/9a4e6db6161cc3b31c6202f8d7a9495e0c2ecda7
Author: Marco Elver <elver@google.com>
AuthorDate: Thu, 21 May 2020 16:20:46 +02:00
Committer: Borislav Petkov <bp@suse.de>
CommitterDate: Fri, 22 May 2020 15:27:32 +02:00

compiler.h: Move function attributes to compiler_types.h

Cleanup and move the KASAN and KCSAN related function attributes to
compiler_types.h, where the rest of the same kind live.

No functional change intended.

Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200521142047.169334-11-elver@google.com
---
include/linux/compiler.h | 29 -----------------------------
include/linux/compiler_types.h | 29 +++++++++++++++++++++++++++++
2 files changed, 29 insertions(+), 29 deletions(-)

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 379a507..652aee0 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -250,35 +250,6 @@ do { \
__WRITE_ONCE(x, val); \
} while (0)

-#ifdef CONFIG_KASAN
-/*
- * We can't declare function 'inline' because __no_sanitize_address conflicts
- * with inlining. Attempt to inline it may cause a build failure.
- * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67368
- * '__maybe_unused' allows us to avoid defined-but-not-used warnings.
- */
-# define __no_kasan_or_inline __no_sanitize_address notrace __maybe_unused
-# define __no_sanitize_or_inline __no_kasan_or_inline
-#else
-# define __no_kasan_or_inline __always_inline
-#endif
-
-#define __no_kcsan __no_sanitize_thread
-#ifdef __SANITIZE_THREAD__
-/*
- * Rely on __SANITIZE_THREAD__ instead of CONFIG_KCSAN, to avoid not inlining in
- * compilation units where instrumentation is disabled.
- */
-# define __no_kcsan_or_inline __no_kcsan notrace __maybe_unused
-# define __no_sanitize_or_inline __no_kcsan_or_inline
-#else
-# define __no_kcsan_or_inline __always_inline
-#endif
-
-#ifndef __no_sanitize_or_inline
-#define __no_sanitize_or_inline __always_inline
-#endif
-
static __no_sanitize_or_inline
unsigned long __read_once_word_nocheck(const void *addr)
{
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 6ed0612..b190a12 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -167,6 +167,35 @@ struct ftrace_likely_data {
*/
#define noinline_for_stack noinline

+#ifdef CONFIG_KASAN
+/*
+ * We can't declare function 'inline' because __no_sanitize_address conflicts
+ * with inlining. Attempt to inline it may cause a build failure.
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67368
+ * '__maybe_unused' allows us to avoid defined-but-not-used warnings.
+ */
+# define __no_kasan_or_inline __no_sanitize_address notrace __maybe_unused
+# define __no_sanitize_or_inline __no_kasan_or_inline
+#else
+# define __no_kasan_or_inline __always_inline
+#endif
+
+#define __no_kcsan __no_sanitize_thread
+#ifdef __SANITIZE_THREAD__
+/*
+ * Rely on __SANITIZE_THREAD__ instead of CONFIG_KCSAN, to avoid not inlining in
+ * compilation units where instrumentation is disabled.
+ */
+# define __no_kcsan_or_inline __no_kcsan notrace __maybe_unused
+# define __no_sanitize_or_inline __no_kcsan_or_inline
+#else
+# define __no_kcsan_or_inline __always_inline
+#endif
+
+#ifndef __no_sanitize_or_inline
+#define __no_sanitize_or_inline __always_inline
+#endif
+
#endif /* __KERNEL__ */

#endif /* __ASSEMBLY__ */
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