16 lines
		
	
	
		
			435 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			16 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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| 
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| #ifndef __LINUX_CMPXCHG_EMU_H
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| #define __LINUX_CMPXCHG_EMU_H
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| 
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| uintptr_t cmpxchg_emu_u8(volatile u8 *p, uintptr_t old, uintptr_t new);
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| 
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| #endif /* __LINUX_CMPXCHG_EMU_H */
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