diff options
Diffstat (limited to 'usr/src/uts/common/os/cpu_pm.c')
| -rw-r--r-- | usr/src/uts/common/os/cpu_pm.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/usr/src/uts/common/os/cpu_pm.c b/usr/src/uts/common/os/cpu_pm.c index 324e4168d7..b885e421b8 100644 --- a/usr/src/uts/common/os/cpu_pm.c +++ b/usr/src/uts/common/os/cpu_pm.c @@ -677,9 +677,13 @@ cpupm_redefine_max_activepwr_state(struct cpu *cp, int max_perf_level) cpupm_state_t *new_state = NULL; did = cpupm_domain_id(cp, type); - mutex_enter(&cpu_lock); - dom = cpupm_domain_find(did, type); - mutex_exit(&cpu_lock); + if (MUTEX_HELD(&cpu_lock)) { + dom = cpupm_domain_find(did, type); + } else { + mutex_enter(&cpu_lock); + dom = cpupm_domain_find(did, type); + mutex_exit(&cpu_lock); + } /* * Can use a lock to avoid changing the power state of the cpu when |