xref: /OK3568_Linux_fs/kernel/include/linux/sched/smt.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _LINUX_SCHED_SMT_H
3*4882a593Smuzhiyun #define _LINUX_SCHED_SMT_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/static_key.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifdef CONFIG_SCHED_SMT
8*4882a593Smuzhiyun extern struct static_key_false sched_smt_present;
9*4882a593Smuzhiyun 
sched_smt_active(void)10*4882a593Smuzhiyun static __always_inline bool sched_smt_active(void)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun 	return static_branch_likely(&sched_smt_present);
13*4882a593Smuzhiyun }
14*4882a593Smuzhiyun #else
sched_smt_active(void)15*4882a593Smuzhiyun static inline bool sched_smt_active(void) { return false; }
16*4882a593Smuzhiyun #endif
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun void arch_smt_update(void);
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #endif
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