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| author | Zhang Rui <rui.zhang@intel.com> | 2013-10-21 11:26:45 +0800 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2013-10-21 11:26:45 +0800 |
| commit | 167c3ad268c2643b926d693f402e893ce64857a8 (patch) | |
| tree | 7d00d3b11f65ab1a969597ec57ba1047aafbad98 /drivers/thermal | |
| parent | 6ddcb7e635ccba9f2eae4087a3039c1b5186f0e6 (diff) | |
| parent | 7bed1b3caaedd5918f0820b29f3b7a2ddc812922 (diff) | |
| download | lwn-167c3ad268c2643b926d693f402e893ce64857a8.tar.gz lwn-167c3ad268c2643b926d693f402e893ce64857a8.zip | |
Merge branch 'x86_pkg_temp' of .git into for-rc
Diffstat (limited to 'drivers/thermal')
| -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; |