Cregit: Linux 5.8: cpumask.h

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Peter Zijlstra	53	55.79%	1	14.29%
Jaswinder Singh Rajput	34	35.79%	4	57.14%
Brian Gerst	7	7.37%	1	14.29%
Greg Kroah-Hartman	1	1.05%	1	14.29%
Total	95		7

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_CPUMASK_H
#define _ASM_X86_CPUMASK_H
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>

extern cpumask_var_t cpu_callin_mask;
extern cpumask_var_t cpu_callout_mask;
extern cpumask_var_t cpu_initialized_mask;
extern cpumask_var_t cpu_sibling_setup_mask;

extern void setup_cpu_local_masks(void);

/*
 * NMI and MCE exceptions need cpu_is_offline() _really_ early,
 * provide an arch_ special for them to avoid instrumentation.
 */
#if NR_CPUS > 1
static __always_inline bool arch_cpu_online(int cpu)
{
	return arch_test_bit(cpu, cpumask_bits(cpu_online_mask));
}
#else
static __always_inline bool arch_cpu_online(int cpu)
{
	return cpu == 0;
}
#endif

#define arch_cpu_is_offline(cpu)	unlikely(!arch_cpu_online(cpu))

#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_CPUMASK_H */