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/* SPDX-License-Identifier: GPL-2.0 */
/* Misc low level processor primitives */
#ifndef _LINUX_PROCESSOR_H
#define _LINUX_PROCESSOR_H
#include <linux/barebox-wrapper.h>
/*
* spin_until_cond can be used to wait for a condition to become true. It
* may be expected that the first iteration will true in the common case
* (no spinning), so that callers should not require a first "likely" test
* for the uncontended case before using this primitive.
*
* Usage and implementation guidelines are the same as for the spin_begin
* primitives, above.
*/
#ifndef spin_until_cond
#define spin_until_cond(cond) \
do { \
if (unlikely(!(cond))) { \
do { \
cpu_relax(); \
} while (!(cond)); \
} \
} while (0)
#endif
#endif /* _LINUX_PROCESSOR_H */
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