Commit e54ffb96 authored Nov 07, 2021 by Linus Torvalds

Merge tag 'compiler-attributes-for-linus-v5.16' of git://github.com/ojeda/linux

Pull compiler attributes update from Miguel Ojeda:
 "An improvement for `__compiletime_assert` and a trivial cleanup"

* tag 'compiler-attributes-for-linus-v5.16' of git://github.com/ojeda/linux:
  compiler_types: mark __compiletime_assert failure as __noreturn
  Compiler Attributes: remove GCC 5.1 mention

parents b5013d08 7c00621d

include/linux/compiler_attributes.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -113,7 +113,6 @@
		#define __deprecated

		/*
		* Optional: only supported since gcc >= 5.1
		* Optional: not supported by clang
		* Optional: not supported by icc
		*

include/linux/compiler_types.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -305,7 +305,13 @@ struct ftrace_likely_data {
		#ifdef __OPTIMIZE__
		# define __compiletime_assert(condition, msg, prefix, suffix) \
		do { \
		extern void prefix ## suffix(void) __compiletime_error(msg); \
		/* \
		* __noreturn is needed to give the compiler enough \
		* information to avoid certain possibly-uninitialized \
		* warnings (regardless of the build failing). \
		*/ \
		__noreturn extern void prefix ## suffix(void) \
		__compiletime_error(msg); \
		if (!(condition)) \
		prefix ## suffix(); \
		} while (0)