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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_CPU_SMT_H_#define _LINUX_CPU_SMT_H_
enum cpuhp_smt_control { CPU_SMT_ENABLED, CPU_SMT_DISABLED, CPU_SMT_FORCE_DISABLED, CPU_SMT_NOT_SUPPORTED, CPU_SMT_NOT_IMPLEMENTED,};
#if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_SMT)extern enum cpuhp_smt_control cpu_smt_control;extern unsigned int cpu_smt_num_threads;extern void cpu_smt_disable(bool force);extern void cpu_smt_set_num_threads(unsigned int num_threads, unsigned int max_threads);extern bool cpu_smt_possible(void);extern int cpuhp_smt_enable(void);extern int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval);#else# define cpu_smt_control (CPU_SMT_NOT_IMPLEMENTED)# define cpu_smt_num_threads 1static inline void cpu_smt_disable(bool force) { }static inline void cpu_smt_set_num_threads(unsigned int num_threads, unsigned int max_threads) { }static inline bool cpu_smt_possible(void) { return false; }static inline int cpuhp_smt_enable(void) { return 0; }static inline int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval) { return 0; }#endif
#endif /* _LINUX_CPU_SMT_H_ */