15 lines
435 B
C
15 lines
435 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Emulated 1-byte and 2-byte cmpxchg operations for architectures
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* lacking direct support for these sizes. These are implemented in terms
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* of 4-byte cmpxchg operations.
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*
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* Copyright (C) 2024 Paul E. McKenney.
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*/
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#ifndef __LINUX_CMPXCHG_EMU_H
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#define __LINUX_CMPXCHG_EMU_H
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uintptr_t cmpxchg_emu_u8(volatile u8 *p, uintptr_t old, uintptr_t new);
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#endif /* __LINUX_CMPXCHG_EMU_H */
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