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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
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@@ -272,6 +272,12 @@
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*/
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#define __used __attribute__((__used__))
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/*
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warn_005funused_005fresult-function-attribute
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* clang: https://clang.llvm.org/docs/AttributeReference.html#nodiscard-warn-unused-result
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*/
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#define __must_check __attribute__((__warn_unused_result__))
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/*
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute
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@@ -121,12 +121,6 @@ struct ftrace_likely_data {
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unsigned long constant;
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};
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#ifdef CONFIG_ENABLE_MUST_CHECK
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#define __must_check __attribute__((__warn_unused_result__))
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#else
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#define __must_check
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#endif
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#if defined(CC_USING_HOTPATCH)
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#define notrace __attribute__((hotpatch(0, 0)))
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#elif defined(CC_USING_PATCHABLE_FUNCTION_ENTRY)
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@@ -295,14 +295,6 @@ config GDB_SCRIPTS
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endif # DEBUG_INFO
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config ENABLE_MUST_CHECK
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bool "Enable __must_check logic"
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default y
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help
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Enable the __must_check logic in the kernel build. Disable this to
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suppress the "warning: ignoring return value of 'foo', declared with
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attribute warn_unused_result" messages.
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config FRAME_WARN
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int "Warn for stack frames larger than"
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range 0 8192
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@@ -1,5 +1,4 @@
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CONFIG_LOCALVERSION="-debug"
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CONFIG_ENABLE_MUST_CHECK=y
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CONFIG_FRAME_POINTER=y
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CONFIG_STACK_VALIDATION=y
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CONFIG_DEBUG_KERNEL=y
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