1 /* SPDX-License-Identifier: GPL-2.0 */
15  * as the CPU numbers are still allocated, just not brought online).
35 /* cpu_thread_mask_to_cores - Return a cpumask of one per cores
40  * This function returns a cpumask which will have one online cpu's
49 	int		i, cpu;  in cpu_thread_mask_to_cores()  local
55 			cpu = cpumask_next_and(-1, &tmp, cpu_online_mask);  in cpu_thread_mask_to_cores()
56 			if (cpu < nr_cpu_ids)  in cpu_thread_mask_to_cores()
57 				cpumask_set_cpu(cpu, &res);  in cpu_thread_mask_to_cores()
74 int cpu_core_index_of_thread(int cpu);
77 static inline int cpu_core_index_of_thread(int cpu) { return cpu; }  in cpu_core_index_of_thread()  argument
81 static inline int cpu_thread_in_core(int cpu)  in cpu_thread_in_core()  argument
83 	return cpu & (threads_per_core - 1);  in cpu_thread_in_core()
86 static inline int cpu_thread_in_subcore(int cpu)  in cpu_thread_in_subcore()  argument
88 	return cpu & (threads_per_subcore - 1);  in cpu_thread_in_subcore()
91 static inline int cpu_first_thread_sibling(int cpu)  in cpu_first_thread_sibling()  argument
93 	return cpu & ~(threads_per_core - 1);  in cpu_first_thread_sibling()
96 static inline int cpu_last_thread_sibling(int cpu)  in cpu_last_thread_sibling()  argument
98 	return cpu | (threads_per_core - 1);  in cpu_last_thread_sibling()
104  * CPU may change behaviour even in compat mode, so this should only be
107 static inline int cpu_first_tlb_thread_sibling(int cpu)  in cpu_first_tlb_thread_sibling()  argument
109 	if (cpu_has_feature(CPU_FTR_ARCH_300) && (threads_per_core == 8))  in cpu_first_tlb_thread_sibling()
110 		return cpu & ~0x6;	/* Big Core */  in cpu_first_tlb_thread_sibling()
112 		return cpu_first_thread_sibling(cpu);  in cpu_first_tlb_thread_sibling()
115 static inline int cpu_last_tlb_thread_sibling(int cpu)  in cpu_last_tlb_thread_sibling()  argument
117 	if (cpu_has_feature(CPU_FTR_ARCH_300) && (threads_per_core == 8))  in cpu_last_tlb_thread_sibling()
118 		return cpu | 0x6;	/* Big Core */  in cpu_last_tlb_thread_sibling()
120 		return cpu_last_thread_sibling(cpu);  in cpu_last_tlb_thread_sibling()
125 	if (cpu_has_feature(CPU_FTR_ARCH_300) && (threads_per_core == 8))  in cpu_tlb_thread_sibling_step()