cregit-Linux how code gets into the kernel

Release 4.14 arch/m32r/include/asm/smp.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_M32R_SMP_H

#define _ASM_M32R_SMP_H

#ifdef CONFIG_SMP
#ifndef __ASSEMBLY__

#include <linux/cpumask.h>
#include <linux/spinlock.h>
#include <linux/threads.h>
#include <asm/m32r.h>


#define PHYSID_ARRAY_SIZE       1


struct physid_mask
{
	
unsigned long mask[PHYSID_ARRAY_SIZE];
};


typedef struct physid_mask physid_mask_t;


#define physid_set(physid, map)                 set_bit(physid, (map).mask)

#define physid_clear(physid, map)               clear_bit(physid, (map).mask)

#define physid_isset(physid, map)               test_bit(physid, (map).mask)

#define physid_test_and_set(physid, map)        test_and_set_bit(physid, (map).mask)


#define physids_and(dst, src1, src2)            bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)

#define physids_or(dst, src1, src2)             bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)

#define physids_clear(map)                      bitmap_zero((map).mask, MAX_APICS)

#define physids_complement(dst, src)            bitmap_complement((dst).mask,(src).mask, MAX_APICS)

#define physids_empty(map)                      bitmap_empty((map).mask, MAX_APICS)

#define physids_equal(map1, map2)               bitmap_equal((map1).mask, (map2).mask, MAX_APICS)

#define physids_weight(map)                     bitmap_weight((map).mask, MAX_APICS)

#define physids_shift_right(d, s, n)            bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)

#define physids_shift_left(d, s, n)             bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)

#define physids_coerce(map)                     ((map).mask[0])


#define physids_promote(physids)					\
	({                                                              \
                physid_mask_t __physid_mask = PHYSID_MASK_NONE;         \
                __physid_mask.mask[0] = physids;                        \
                __physid_mask;                                          \
        })


#define physid_mask_of_physid(physid)					\
	({                                                              \
                physid_mask_t __physid_mask = PHYSID_MASK_NONE;         \
                physid_set(physid, __physid_mask);                      \
                __physid_mask;                                          \
        })


#define PHYSID_MASK_ALL         { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }

#define PHYSID_MASK_NONE        { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }

extern physid_mask_t phys_cpu_present_map;

/*
 * Some lowlevel functions might want to know about
 * the real CPU ID <-> CPU # mapping.
 */
extern volatile int cpu_2_physid[NR_CPUS];

#define cpu_to_physid(cpu_id)	cpu_2_physid[cpu_id]


#define raw_smp_processor_id()	(current_thread_info()->cpu)

extern cpumask_t cpu_callout_map;


static __inline__ int hard_smp_processor_id(void) { return (int)*(volatile long *)M32R_CPUID_PORTL; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata21100.00%1100.00%
Total21100.00%1100.00%


static __inline__ int cpu_logical_map(int cpu) { return cpu; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata13100.00%1100.00%
Total13100.00%1100.00%


static __inline__ int cpu_number_map(int cpu) { return cpu; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata13100.00%1100.00%
Total13100.00%1100.00%

extern void smp_send_timer(void); extern unsigned long send_IPI_mask_phys(const cpumask_t*, int, int); extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); #endif /* not __ASSEMBLY__ */ #define NO_PROC_ID (0xff) /* No processor magic marker */ /* * M32R-mp IPI */ #define RESCHEDULE_IPI (M32R_IRQ_IPI0-M32R_IRQ_IPI0) #define INVALIDATE_TLB_IPI (M32R_IRQ_IPI1-M32R_IRQ_IPI0) #define CALL_FUNCTION_IPI (M32R_IRQ_IPI2-M32R_IRQ_IPI0) #define LOCAL_TIMER_IPI (M32R_IRQ_IPI3-M32R_IRQ_IPI0) #define INVALIDATE_CACHE_IPI (M32R_IRQ_IPI4-M32R_IRQ_IPI0) #define CPU_BOOT_IPI (M32R_IRQ_IPI5-M32R_IRQ_IPI0) #define CALL_FUNC_SINGLE_IPI (M32R_IRQ_IPI6-M32R_IRQ_IPI0) #define IPI_SHIFT (0) #define NR_IPIS (8) #else /* CONFIG_SMP */ #define hard_smp_processor_id() 0 #endif /* CONFIG_SMP */ #endif /* _ASM_M32R_SMP_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata33690.57%225.00%
Jens Axboe184.85%112.50%
Fernando Luis Vázquez Cao82.16%112.50%
Rusty Russell51.35%112.50%
Motohiro Kosaki20.54%112.50%
Greg Kroah-Hartman10.27%112.50%
Ingo Molnar10.27%112.50%
Total371100.00%8100.00%
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