diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2021-07-06 09:34:08 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2021-07-06 09:34:08 +0000 |
| commit | 056fc36d68af9f71b8980f4c1c61d7fc71bd954f (patch) | |
| tree | 127690efe61582ecde42d810c1122e0446cec8b3 /sys/arch/arm64/include | |
| parent | dc4ee67851e0c7410f3cf2aaf4b94c0580fd4771 (diff) | |
Introduce CPU_IS_RUNNING() and us it in scheduler-related code to prevent
waiting on CPUs that didn't spin up. This will allow us to spin down
CPUs in the future to save power as well.
ok mpi@
Diffstat (limited to 'sys/arch/arm64/include')
| -rw-r--r-- | sys/arch/arm64/include/cpu.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/arm64/include/cpu.h b/sys/arch/arm64/include/cpu.h index 29f7d4d9a0e..9f9e4761aae 100644 --- a/sys/arch/arm64/include/cpu.h +++ b/sys/arch/arm64/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.21 2021/06/02 00:39:26 cheloha Exp $ */ +/* $OpenBSD: cpu.h,v 1.22 2021/07/06 09:34:06 kettenis Exp $ */ /* * Copyright (c) 2016 Dale Rahn <drahn@dalerahn.com> * @@ -161,6 +161,7 @@ extern struct cpu_info *cpu_info_list; #ifndef MULTIPROCESSOR #define cpu_number() 0 #define CPU_IS_PRIMARY(ci) 1 +#define CPU_IS_RUNNING(ci) 1 #define CPU_INFO_ITERATOR int #define CPU_INFO_FOREACH(cii, ci) \ for (cii = 0, ci = curcpu(); ci != NULL; ci = NULL) @@ -170,6 +171,7 @@ extern struct cpu_info *cpu_info_list; #else #define cpu_number() (curcpu()->ci_cpuid) #define CPU_IS_PRIMARY(ci) ((ci) == &cpu_info_primary) +#define CPU_IS_RUNNING(ci) ((ci)->ci_flags & CPUF_RUNNING) #define CPU_INFO_ITERATOR int #define CPU_INFO_FOREACH(cii, ci) for (cii = 0, ci = cpu_info_list; \ ci != NULL; ci = ci->ci_next) |