Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_IA64_PERCPU_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_IA64_PERCPU_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2002-2003 Hewlett-Packard Co
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *	David Mosberger-Tang <davidm@hpl.hp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifdef __ASSEMBLY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) # define THIS_CPU(var)	(var)  /* use this to mark accesses to per-CPU variables... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #else /* !__ASSEMBLY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/threads.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #ifdef CONFIG_SMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #ifdef HAVE_MODEL_SMALL_ATTRIBUTE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) # define PER_CPU_ATTRIBUTES	__attribute__((__model__ (__small__)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define __my_cpu_offset	__ia64_per_cpu_var(local_per_cpu_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) extern void *per_cpu_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #else /* ! SMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define per_cpu_init()				(__phys_per_cpu_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #endif	/* SMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define PER_CPU_BASE_SECTION ".data..percpu"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  * Be extremely careful when taking the address of this variable!  Due to virtual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  * remapping, it is different from the canonical address returned by this_cpu_ptr(&var)!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  * On the positive side, using __ia64_per_cpu_var() instead of this_cpu_ptr() is slightly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  * more efficient.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define __ia64_per_cpu_var(var) (*({					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	__verify_pcpu_ptr(&(var));					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	((typeof(var) __kernel __force *)&(var));			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include <asm-generic/percpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #endif /* !__ASSEMBLY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #endif /* _ASM_IA64_PERCPU_H */