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path: root/drivers/thermal/x86_pkg_temp_thermal.c
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Diffstat (limited to 'drivers/thermal/x86_pkg_temp_thermal.c')
-rw-r--r--drivers/thermal/x86_pkg_temp_thermal.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c
index f36950e4134..7722cb9d5a8 100644
--- a/drivers/thermal/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/x86_pkg_temp_thermal.c
@@ -316,18 +316,19 @@ static void pkg_temp_thermal_threshold_work_fn(struct work_struct *work)
int phy_id = topology_physical_package_id(cpu);
struct phy_dev_entry *phdev = pkg_temp_thermal_get_phy_entry(cpu);
bool notify = false;
+ unsigned long flags;
if (!phdev)
return;
- spin_lock(&pkg_work_lock);
+ spin_lock_irqsave(&pkg_work_lock, flags);
++pkg_work_cnt;
if (unlikely(phy_id > max_phy_id)) {
- spin_unlock(&pkg_work_lock);
+ spin_unlock_irqrestore(&pkg_work_lock, flags);
return;
}
pkg_work_scheduled[phy_id] = 0;
- spin_unlock(&pkg_work_lock);
+ spin_unlock_irqrestore(&pkg_work_lock, flags);
enable_pkg_thres_interrupt();
rdmsrl(MSR_IA32_PACKAGE_THERM_STATUS, msr_val);
@@ -397,6 +398,7 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
int thres_count;
u32 eax, ebx, ecx, edx;
u8 *temp;
+ unsigned long flags;
cpuid(6, &eax, &ebx, &ecx, &edx);
thres_count = ebx & 0x07;
@@ -420,19 +422,19 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
goto err_ret_unlock;
}
- spin_lock(&pkg_work_lock);
+ spin_lock_irqsave(&pkg_work_lock, flags);
if (topology_physical_package_id(cpu) > max_phy_id)
max_phy_id = topology_physical_package_id(cpu);
temp = krealloc(pkg_work_scheduled,
(max_phy_id+1) * sizeof(u8), GFP_ATOMIC);
if (!temp) {
- spin_unlock(&pkg_work_lock);
+ spin_unlock_irqrestore(&pkg_work_lock, flags);
err = -ENOMEM;
goto err_ret_free;
}
pkg_work_scheduled = temp;
pkg_work_scheduled[topology_physical_package_id(cpu)] = 0;
- spin_unlock(&pkg_work_lock);
+ spin_unlock_irqrestore(&pkg_work_lock, flags);
phy_dev_entry->phys_proc_id = topology_physical_package_id(cpu);
phy_dev_entry->first_cpu = cpu;