diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-11-06 06:39:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-11-06 06:39:45 +0100 |
| commit | 97c53b402fcadb50201c23914f614bf8430d9c20 (patch) | |
| tree | 3c9b94e866d150c3a2d8ac853e388c38fade8b45 /drivers/thermal/x86_pkg_temp_thermal.c | |
| parent | 6a716c90a51338009c3bc1f460829afaed8f922d (diff) | |
| parent | 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff) | |
Merge tag 'v3.12' into core/locking to pick up mutex upates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/thermal/x86_pkg_temp_thermal.c')
| -rw-r--r-- | drivers/thermal/x86_pkg_temp_thermal.c | 14 |
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 f36950e4134f..7722cb9d5a80 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; |