mirror of https://github.com/OpenIPC/firmware.git
				
				
				
			Merge branch 'master' of github.com:OpenIPC/firmware
						commit
						e8d19e69b1
					
				|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -1,65 +0,0 @@ | ||||||
| #ifndef __LINUX_COMPILER_H |  | ||||||
| #error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead." |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| #define __used				__attribute__((__used__)) |  | ||||||
| #define __must_check			__attribute__((warn_unused_result)) |  | ||||||
| #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b) |  | ||||||
| 
 |  | ||||||
| /* Mark functions as cold. gcc will assume any path leading to a call
 |  | ||||||
|    to them will be unlikely.  This means a lot of manual unlikely()s |  | ||||||
|    are unnecessary now for any paths leading to the usual suspects |  | ||||||
|    like BUG(), printk(), panic() etc. [but let's keep them for now for |  | ||||||
|    older compilers] |  | ||||||
| 
 |  | ||||||
|    Early snapshots of gcc 4.3 don't support this and we can't detect this |  | ||||||
|    in the preprocessor, but we can live with this because they're unreleased. |  | ||||||
|    Maketime probing would be overkill here. |  | ||||||
| 
 |  | ||||||
|    gcc also has a __attribute__((__hot__)) to move hot functions into |  | ||||||
|    a special section, but I don't see any sense in this right now in |  | ||||||
|    the kernel context */ |  | ||||||
| #define __cold			__attribute__((__cold__)) |  | ||||||
| 
 |  | ||||||
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |  | ||||||
| 
 |  | ||||||
| #ifndef __CHECKER__ |  | ||||||
| # define __compiletime_warning(message) __attribute__((warning(message))) |  | ||||||
| # define __compiletime_error(message) __attribute__((error(message))) |  | ||||||
| #endif /* __CHECKER__ */ |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Mark a position in code as unreachable.  This can be used to |  | ||||||
|  * suppress control flow warnings after asm blocks that transfer |  | ||||||
|  * control elsewhere. |  | ||||||
|  * |  | ||||||
|  * Early snapshots of gcc 4.5 don't support this and we can't detect |  | ||||||
|  * this in the preprocessor, but we can live with this because they're |  | ||||||
|  * unreleased.  Really, we need to have autoconf for the kernel. |  | ||||||
|  */ |  | ||||||
| #define unreachable() __builtin_unreachable() |  | ||||||
| 
 |  | ||||||
| /* Mark a function definition as prohibited from being cloned. */ |  | ||||||
| #define __noclone	__attribute__((__noclone__)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * Tell the optimizer that something else uses this function or variable. |  | ||||||
|  */ |  | ||||||
| #define __visible __attribute__((externally_visible)) |  | ||||||
| 
 |  | ||||||
| /*
 |  | ||||||
|  * GCC 'asm goto' miscompiles certain code sequences: |  | ||||||
|  * |  | ||||||
|  *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 |  | ||||||
|  * |  | ||||||
|  * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |  | ||||||
|  * |  | ||||||
|  * (asm goto is automatically volatile - the naming reflects this.) |  | ||||||
|  */ |  | ||||||
| #define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0) |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |  | ||||||
| #define __HAVE_BUILTIN_BSWAP32__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP64__ |  | ||||||
| #define __HAVE_BUILTIN_BSWAP16__ |  | ||||||
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |  | ||||||
|  | @ -0,0 +1,71 @@ | ||||||
|  | diff --git a/include/linux/compiler-gcc7.h b/include/linux/compiler-gcc7.h
 | ||||||
|  | new file mode 100644 | ||||||
|  | index 00000000..613f9936
 | ||||||
|  | --- /dev/null
 | ||||||
|  | +++ b/include/linux/compiler-gcc7.h
 | ||||||
|  | @@ -0,0 +1,65 @@
 | ||||||
|  | +#ifndef __LINUX_COMPILER_H
 | ||||||
|  | +#error "Please don't include <linux/compiler-gcc7.h> directly, include <linux/compiler.h> instead."
 | ||||||
|  | +#endif
 | ||||||
|  | +
 | ||||||
|  | +#define __used				__attribute__((__used__))
 | ||||||
|  | +#define __must_check			__attribute__((warn_unused_result))
 | ||||||
|  | +#define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
 | ||||||
|  | +
 | ||||||
|  | +/* Mark functions as cold. gcc will assume any path leading to a call
 | ||||||
|  | +   to them will be unlikely.  This means a lot of manual unlikely()s
 | ||||||
|  | +   are unnecessary now for any paths leading to the usual suspects
 | ||||||
|  | +   like BUG(), printk(), panic() etc. [but let's keep them for now for
 | ||||||
|  | +   older compilers]
 | ||||||
|  | +
 | ||||||
|  | +   Early snapshots of gcc 4.3 don't support this and we can't detect this
 | ||||||
|  | +   in the preprocessor, but we can live with this because they're unreleased.
 | ||||||
|  | +   Maketime probing would be overkill here.
 | ||||||
|  | +
 | ||||||
|  | +   gcc also has a __attribute__((__hot__)) to move hot functions into
 | ||||||
|  | +   a special section, but I don't see any sense in this right now in
 | ||||||
|  | +   the kernel context */
 | ||||||
|  | +#define __cold			__attribute__((__cold__))
 | ||||||
|  | +
 | ||||||
|  | +#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
 | ||||||
|  | +
 | ||||||
|  | +#ifndef __CHECKER__
 | ||||||
|  | +# define __compiletime_warning(message) __attribute__((warning(message)))
 | ||||||
|  | +# define __compiletime_error(message) __attribute__((error(message)))
 | ||||||
|  | +#endif /* __CHECKER__ */
 | ||||||
|  | +
 | ||||||
|  | +/*
 | ||||||
|  | + * Mark a position in code as unreachable.  This can be used to
 | ||||||
|  | + * suppress control flow warnings after asm blocks that transfer
 | ||||||
|  | + * control elsewhere.
 | ||||||
|  | + *
 | ||||||
|  | + * Early snapshots of gcc 4.5 don't support this and we can't detect
 | ||||||
|  | + * this in the preprocessor, but we can live with this because they're
 | ||||||
|  | + * unreleased.  Really, we need to have autoconf for the kernel.
 | ||||||
|  | + */
 | ||||||
|  | +#define unreachable() __builtin_unreachable()
 | ||||||
|  | +
 | ||||||
|  | +/* Mark a function definition as prohibited from being cloned. */
 | ||||||
|  | +#define __noclone	__attribute__((__noclone__))
 | ||||||
|  | +
 | ||||||
|  | +/*
 | ||||||
|  | + * Tell the optimizer that something else uses this function or variable.
 | ||||||
|  | + */
 | ||||||
|  | +#define __visible __attribute__((externally_visible))
 | ||||||
|  | +
 | ||||||
|  | +/*
 | ||||||
|  | + * GCC 'asm goto' miscompiles certain code sequences:
 | ||||||
|  | + *
 | ||||||
|  | + *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
 | ||||||
|  | + *
 | ||||||
|  | + * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
 | ||||||
|  | + *
 | ||||||
|  | + * (asm goto is automatically volatile - the naming reflects this.)
 | ||||||
|  | + */
 | ||||||
|  | +#define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0)
 | ||||||
|  | +
 | ||||||
|  | +#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
 | ||||||
|  | +#define __HAVE_BUILTIN_BSWAP32__
 | ||||||
|  | +#define __HAVE_BUILTIN_BSWAP64__
 | ||||||
|  | +#define __HAVE_BUILTIN_BSWAP16__
 | ||||||
|  | +#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
 | ||||||
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		Reference in New Issue