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authorLinus Torvalds <torvalds@linux-foundation.org>2021-01-04 19:47:38 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2021-01-04 19:47:38 +0100
commitf4f6a2e329523e1a795e5e5c0799feee997aa053 (patch)
treefefe562edc36631a79f5af415f9f6088791fcfef /include
parentLinux 5.11-rc2 (diff)
parentCompiler Attributes: remove CONFIG_ENABLE_MUST_CHECK (diff)
downloadlinux-f4f6a2e329523e1a795e5e5c0799feee997aa053.tar.xz
linux-f4f6a2e329523e1a795e5e5c0799feee997aa053.zip
Merge tag 'compiler-attributes-for-linus-v5.11' of git://github.com/ojeda/linux
Pull ENABLE_MUST_CHECK removal from Miguel Ojeda: "Remove CONFIG_ENABLE_MUST_CHECK (Masahiro Yamada)" Note that this removes the config option by making the must-check unconditional, not by removing must check itself. * tag 'compiler-attributes-for-linus-v5.11' of git://github.com/ojeda/linux: Compiler Attributes: remove CONFIG_ENABLE_MUST_CHECK
Diffstat (limited to 'include')
-rw-r--r--include/linux/compiler_attributes.h6
-rw-r--r--include/linux/compiler_types.h6
2 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
index b2a3f4f641a7..ea5e04e75845 100644
--- a/include/linux/compiler_attributes.h
+++ b/include/linux/compiler_attributes.h
@@ -273,6 +273,12 @@
#define __used __attribute__((__used__))
/*
+ * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warn_005funused_005fresult-function-attribute
+ * clang: https://clang.llvm.org/docs/AttributeReference.html#nodiscard-warn-unused-result
+ */
+#define __must_check __attribute__((__warn_unused_result__))
+
+/*
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute
*/
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index bbaa39e98f9f..e5dd5a4ae946 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -121,12 +121,6 @@ struct ftrace_likely_data {
unsigned long constant;
};
-#ifdef CONFIG_ENABLE_MUST_CHECK
-#define __must_check __attribute__((__warn_unused_result__))
-#else
-#define __must_check
-#endif
-
#if defined(CC_USING_HOTPATCH)
#define notrace __attribute__((hotpatch(0, 0)))
#elif defined(CC_USING_PATCHABLE_FUNCTION_ENTRY)