/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_PERCPU_H_ #define _ASM_GENERIC_PERCPU_H_ #include <linux/compiler.h> #include <linux/threads.h> #include <linux/percpu-defs.h> #ifdef CONFIG_SMP /* * per_cpu_offset() is the offset that has to be added to a * percpu variable to get to the instance for a certain processor. * * Most arches use the __per_cpu_offset array for those offsets but * some arches have their own ways of determining the offset (x86_64, s390). */ #ifndef __per_cpu_offset extern unsigned long __per_cpu_offset[NR_CPUS]; #define per_cpu_offset(x) … #endif /* * Determine the offset for the currently active processor. * An arch may define __my_cpu_offset to provide a more effective * means of obtaining the offset to the per cpu variables of the * current processor. */ #ifndef __my_cpu_offset #define __my_cpu_offset … #endif #ifdef CONFIG_DEBUG_PREEMPT #define my_cpu_offset … #else #define my_cpu_offset … #endif /* * Arch may define arch_raw_cpu_ptr() to provide more efficient address * translations for raw_cpu_ptr(). */ #ifndef arch_raw_cpu_ptr #define arch_raw_cpu_ptr … #endif #ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA extern void setup_per_cpu_areas(void); #endif #endif /* SMP */ #ifndef PER_CPU_BASE_SECTION #ifdef CONFIG_SMP #define PER_CPU_BASE_SECTION … #else #define PER_CPU_BASE_SECTION … #endif #endif #ifndef PER_CPU_ATTRIBUTES #define PER_CPU_ATTRIBUTES #endif #define raw_cpu_generic_read(pcp) … #define raw_cpu_generic_to_op(pcp, val, op) … #define raw_cpu_generic_add_return(pcp, val) … #define raw_cpu_generic_xchg(pcp, nval) … #define __cpu_fallback_try_cmpxchg(pcp, ovalp, nval, _cmpxchg) … #define raw_cpu_generic_try_cmpxchg(pcp, ovalp, nval) … #define raw_cpu_generic_cmpxchg(pcp, oval, nval) … #define __this_cpu_generic_read_nopreempt(pcp) … #define __this_cpu_generic_read_noirq(pcp) … #define this_cpu_generic_read(pcp) … #define this_cpu_generic_to_op(pcp, val, op) … #define this_cpu_generic_add_return(pcp, val) … #define this_cpu_generic_xchg(pcp, nval) … #define this_cpu_generic_try_cmpxchg(pcp, ovalp, nval) … #define this_cpu_generic_cmpxchg(pcp, oval, nval) … #ifndef raw_cpu_read_1 #define raw_cpu_read_1 … #endif #ifndef raw_cpu_read_2 #define raw_cpu_read_2 … #endif #ifndef raw_cpu_read_4 #define raw_cpu_read_4 … #endif #ifndef raw_cpu_read_8 #define raw_cpu_read_8 … #endif #ifndef raw_cpu_write_1 #define raw_cpu_write_1 … #endif #ifndef raw_cpu_write_2 #define raw_cpu_write_2 … #endif #ifndef raw_cpu_write_4 #define raw_cpu_write_4 … #endif #ifndef raw_cpu_write_8 #define raw_cpu_write_8 … #endif #ifndef raw_cpu_add_1 #define raw_cpu_add_1 … #endif #ifndef raw_cpu_add_2 #define raw_cpu_add_2 … #endif #ifndef raw_cpu_add_4 #define raw_cpu_add_4 … #endif #ifndef raw_cpu_add_8 #define raw_cpu_add_8 … #endif #ifndef raw_cpu_and_1 #define raw_cpu_and_1 … #endif #ifndef raw_cpu_and_2 #define raw_cpu_and_2 … #endif #ifndef raw_cpu_and_4 #define raw_cpu_and_4 … #endif #ifndef raw_cpu_and_8 #define raw_cpu_and_8 … #endif #ifndef raw_cpu_or_1 #define raw_cpu_or_1 … #endif #ifndef raw_cpu_or_2 #define raw_cpu_or_2 … #endif #ifndef raw_cpu_or_4 #define raw_cpu_or_4 … #endif #ifndef raw_cpu_or_8 #define raw_cpu_or_8 … #endif #ifndef raw_cpu_add_return_1 #define raw_cpu_add_return_1 … #endif #ifndef raw_cpu_add_return_2 #define raw_cpu_add_return_2 … #endif #ifndef raw_cpu_add_return_4 #define raw_cpu_add_return_4 … #endif #ifndef raw_cpu_add_return_8 #define raw_cpu_add_return_8 … #endif #ifndef raw_cpu_xchg_1 #define raw_cpu_xchg_1 … #endif #ifndef raw_cpu_xchg_2 #define raw_cpu_xchg_2 … #endif #ifndef raw_cpu_xchg_4 #define raw_cpu_xchg_4 … #endif #ifndef raw_cpu_xchg_8 #define raw_cpu_xchg_8 … #endif #ifndef raw_cpu_try_cmpxchg_1 #ifdef raw_cpu_cmpxchg_1 #define raw_cpu_try_cmpxchg_1 … #else #define raw_cpu_try_cmpxchg_1 … #endif #endif #ifndef raw_cpu_try_cmpxchg_2 #ifdef raw_cpu_cmpxchg_2 #define raw_cpu_try_cmpxchg_2 … #else #define raw_cpu_try_cmpxchg_2 … #endif #endif #ifndef raw_cpu_try_cmpxchg_4 #ifdef raw_cpu_cmpxchg_4 #define raw_cpu_try_cmpxchg_4 … #else #define raw_cpu_try_cmpxchg_4 … #endif #endif #ifndef raw_cpu_try_cmpxchg_8 #ifdef raw_cpu_cmpxchg_8 #define raw_cpu_try_cmpxchg_8 … #else #define raw_cpu_try_cmpxchg_8 … #endif #endif #ifndef raw_cpu_try_cmpxchg64 #ifdef raw_cpu_cmpxchg64 #define raw_cpu_try_cmpxchg64 … #else #define raw_cpu_try_cmpxchg64 … #endif #endif #ifndef raw_cpu_try_cmpxchg128 #ifdef raw_cpu_cmpxchg128 #define raw_cpu_try_cmpxchg128 … #else #define raw_cpu_try_cmpxchg128 … #endif #endif #ifndef raw_cpu_cmpxchg_1 #define raw_cpu_cmpxchg_1 … #endif #ifndef raw_cpu_cmpxchg_2 #define raw_cpu_cmpxchg_2 … #endif #ifndef raw_cpu_cmpxchg_4 #define raw_cpu_cmpxchg_4 … #endif #ifndef raw_cpu_cmpxchg_8 #define raw_cpu_cmpxchg_8 … #endif #ifndef raw_cpu_cmpxchg64 #define raw_cpu_cmpxchg64 … #endif #ifndef raw_cpu_cmpxchg128 #define raw_cpu_cmpxchg128 … #endif #ifndef this_cpu_read_1 #define this_cpu_read_1 … #endif #ifndef this_cpu_read_2 #define this_cpu_read_2 … #endif #ifndef this_cpu_read_4 #define this_cpu_read_4 … #endif #ifndef this_cpu_read_8 #define this_cpu_read_8 … #endif #ifndef this_cpu_write_1 #define this_cpu_write_1 … #endif #ifndef this_cpu_write_2 #define this_cpu_write_2 … #endif #ifndef this_cpu_write_4 #define this_cpu_write_4 … #endif #ifndef this_cpu_write_8 #define this_cpu_write_8 … #endif #ifndef this_cpu_add_1 #define this_cpu_add_1 … #endif #ifndef this_cpu_add_2 #define this_cpu_add_2 … #endif #ifndef this_cpu_add_4 #define this_cpu_add_4 … #endif #ifndef this_cpu_add_8 #define this_cpu_add_8 … #endif #ifndef this_cpu_and_1 #define this_cpu_and_1 … #endif #ifndef this_cpu_and_2 #define this_cpu_and_2 … #endif #ifndef this_cpu_and_4 #define this_cpu_and_4 … #endif #ifndef this_cpu_and_8 #define this_cpu_and_8 … #endif #ifndef this_cpu_or_1 #define this_cpu_or_1 … #endif #ifndef this_cpu_or_2 #define this_cpu_or_2 … #endif #ifndef this_cpu_or_4 #define this_cpu_or_4 … #endif #ifndef this_cpu_or_8 #define this_cpu_or_8 … #endif #ifndef this_cpu_add_return_1 #define this_cpu_add_return_1 … #endif #ifndef this_cpu_add_return_2 #define this_cpu_add_return_2 … #endif #ifndef this_cpu_add_return_4 #define this_cpu_add_return_4 … #endif #ifndef this_cpu_add_return_8 #define this_cpu_add_return_8 … #endif #ifndef this_cpu_xchg_1 #define this_cpu_xchg_1 … #endif #ifndef this_cpu_xchg_2 #define this_cpu_xchg_2 … #endif #ifndef this_cpu_xchg_4 #define this_cpu_xchg_4 … #endif #ifndef this_cpu_xchg_8 #define this_cpu_xchg_8 … #endif #ifndef this_cpu_try_cmpxchg_1 #ifdef this_cpu_cmpxchg_1 #define this_cpu_try_cmpxchg_1 … #else #define this_cpu_try_cmpxchg_1 … #endif #endif #ifndef this_cpu_try_cmpxchg_2 #ifdef this_cpu_cmpxchg_2 #define this_cpu_try_cmpxchg_2 … #else #define this_cpu_try_cmpxchg_2 … #endif #endif #ifndef this_cpu_try_cmpxchg_4 #ifdef this_cpu_cmpxchg_4 #define this_cpu_try_cmpxchg_4 … #else #define this_cpu_try_cmpxchg_4 … #endif #endif #ifndef this_cpu_try_cmpxchg_8 #ifdef this_cpu_cmpxchg_8 #define this_cpu_try_cmpxchg_8 … #else #define this_cpu_try_cmpxchg_8 … #endif #endif #ifndef this_cpu_try_cmpxchg64 #ifdef this_cpu_cmpxchg64 #define this_cpu_try_cmpxchg64 … #else #define this_cpu_try_cmpxchg64 … #endif #endif #ifndef this_cpu_try_cmpxchg128 #ifdef this_cpu_cmpxchg128 #define this_cpu_try_cmpxchg128 … #else #define this_cpu_try_cmpxchg128 … #endif #endif #ifndef this_cpu_cmpxchg_1 #define this_cpu_cmpxchg_1 … #endif #ifndef this_cpu_cmpxchg_2 #define this_cpu_cmpxchg_2 … #endif #ifndef this_cpu_cmpxchg_4 #define this_cpu_cmpxchg_4 … #endif #ifndef this_cpu_cmpxchg_8 #define this_cpu_cmpxchg_8 … #endif #ifndef this_cpu_cmpxchg64 #define this_cpu_cmpxchg64 … #endif #ifndef this_cpu_cmpxchg128 #define this_cpu_cmpxchg128 … #endif #endif /* _ASM_GENERIC_PERCPU_H_ */
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