include/linux/compiler.h

56 #include <linux/compiler-gcc.h>
65 /* Intel compiler defines __GNUC__. So we will overwrite implementations
69 # include <linux/compiler-intel.h>
72 /* Clang compiler defines __GNUC__. So we will overwrite implementations
76 #include <linux/compiler-clang.h>
80  * Generic compiler-dependent macros required for kernel
81  * build go below this comment. Actual compiler/compiler version
256  * Prevent the compiler from merging or refetching reads or writes. The
257  * compiler is also forbidden from reordering successive instances of
259  * compiler is aware of some particular ordering.  One way to make the
260  * compiler aware of ordering is to put the two invocations of READ_ONCE,
271  * and (2) Ensuring that the compiler does not  fold, spindle, or otherwise
364  * compiler in gcc 3.3, we must define __used to be __attribute__((used))
420  * Tell gcc if a function is cold. The compiler will assume any path
502  * compiler has support to do so.
512  * Prevent the compiler from merging or refetching accesses.  The compiler
514  * but only when the compiler is aware of some particular ordering.  One way
515  * to make the compiler aware of ordering is to put the two invocations of
524  * and (2) Ensuring that the compiler does not  fold, spindle, or otherwise