include/linux/compiler.h

17 # define __release(x)	__context__(x,-1)
56 #include <linux/compiler-gcc.h>
69 # include <linux/compiler-intel.h>
76 #include <linux/compiler-clang.h>
80  * Generic compiler-dependent macros required for kernel
104  * to disable branch tracing on a per file basis.
194 /* Not-quite-unique ID. */
226  * '__maybe_unused' allows us to avoid defined-but-not-used warnings.
267  * compile-time warning.
270  * process-level code and irq/NMI handlers, all running on the same CPU,
303  * smp_cond_acquire() - Spin wait for cond with ACQUIRE ordering
309  * The control dependency provides a LOAD->STORE order, the additional RMB
310  * provides LOAD->LOAD order, together they provide LOAD->{LOAD,STORE} order,
363  * NOTE: Because distributions shipped with a backported unit-at-a-time
411  * function that calls a non-`const' function usually must not be
450 /* Is this type a native word size -- useful for atomic operations */
455 /* Compile time object size, -1 for unknown */
457 # define __compiletime_object_size(obj) -1
465  * Sparse complains of variable sized arrays due to the temporary variable in
467  * sparse see a constant array size without breaking compiletime_assert on old
468  * versions of GCC (e.g. 4.2.4), so hide the array from sparse altogether.
472 	do { ((void)sizeof(char[1 - 2 * condition])); } while (0)
496  * compiletime_assert - break build and emit msg if condition is false
497  * @condition: a compile-time constant condition to check
523  * between process-level code and irq/NMI handlers, all running on the same CPU,
537  * lockless_dereference() - safely load a pointer for later dereference
540  * Similar to rcu_dereference(), but for situations where the pointed-to