diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-31 10:23:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-31 10:23:27 -0700 |
commit | 2bac7dc169af3cd4a0cb5200aa1f7b89affa042a (patch) | |
tree | bd9c64ee7f855a0876f10063f400b26f0bee2eab | |
parent | f964333194b877effae897314d89818347ed90d7 (diff) | |
parent | 896c5150edfd5c01ed7abfcf02612f4aac6296b3 (diff) |
Merge tag 'thermal-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These remove two recently added excessive lockdep assertions from the
sysfs-related thermal code and fix two issues in Intel thermal
drivers.
Specifics:
- Drop two lockdep assertions producing false positive warnings from
the sysfs-related thermal core code (Rafael Wysocki)
- Fix handling of two recently added module parameters in the Intel
powerclamp thermal driver (David Arcari)
- Fix one more deadlock in the int340x thermal driver (Srinivas
Pandruvada)"
* tag 'thermal-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: powerclamp: Fix cpumask and max_idle module parameters
thermal: intel: int340x: processor_thermal: Fix additional deadlock
thermal: core: Drop excessive lockdep_assert_held() calls
-rw-r--r-- | drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c | 1 | ||||
-rw-r--r-- | drivers/thermal/intel/intel_powerclamp.c | 9 | ||||
-rw-r--r-- | drivers/thermal/thermal_sysfs.c | 6 |
3 files changed, 10 insertions, 6 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index 90526f46c9b1..d71ee50e7878 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -153,7 +153,6 @@ static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp cancel_delayed_work_sync(&pci_info->work); proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0); proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_THRES_0, 0); - thermal_zone_device_disable(tzd); pci_info->stored_thres = 0; return 0; } diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c index c7ba5680cd48..91fc7e239497 100644 --- a/drivers/thermal/intel/intel_powerclamp.c +++ b/drivers/thermal/intel/intel_powerclamp.c @@ -235,6 +235,12 @@ static int max_idle_set(const char *arg, const struct kernel_param *kp) goto skip_limit_set; } + if (!cpumask_available(idle_injection_cpu_mask)) { + ret = allocate_copy_idle_injection_mask(cpu_present_mask); + if (ret) + goto skip_limit_set; + } + if (check_invalid(idle_injection_cpu_mask, new_max_idle)) { ret = -EINVAL; goto skip_limit_set; @@ -791,7 +797,8 @@ static int __init powerclamp_init(void) return retval; mutex_lock(&powerclamp_lock); - retval = allocate_copy_idle_injection_mask(cpu_present_mask); + if (!cpumask_available(idle_injection_cpu_mask)) + retval = allocate_copy_idle_injection_mask(cpu_present_mask); mutex_unlock(&powerclamp_lock); if (retval) diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index a4aba7b8bb8b..6c20c9f90a05 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -876,8 +876,6 @@ static void cooling_device_stats_setup(struct thermal_cooling_device *cdev) unsigned long states = cdev->max_state + 1; int var; - lockdep_assert_held(&cdev->lock); - var = sizeof(*stats); var += sizeof(*stats->time_in_state) * states; var += sizeof(*stats->trans_table) * states * states; @@ -903,8 +901,6 @@ out: static void cooling_device_stats_destroy(struct thermal_cooling_device *cdev) { - lockdep_assert_held(&cdev->lock); - kfree(cdev->stats); cdev->stats = NULL; } @@ -931,6 +927,8 @@ void thermal_cooling_device_destroy_sysfs(struct thermal_cooling_device *cdev) void thermal_cooling_device_stats_reinit(struct thermal_cooling_device *cdev) { + lockdep_assert_held(&cdev->lock); + cooling_device_stats_destroy(cdev); cooling_device_stats_setup(cdev); } |