diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-07-15 14:28:02 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2012-10-09 13:30:27 -0400 |
| commit | 663433575fb048336cf1511a80b309a768f749f4 (patch) | |
| tree | 12b0b81a6c7fac31c227af98ccc58912d575eac2 /arch | |
| parent | e72077443de9b1a7010778870b4e183e2c521b31 (diff) | |
x86: mce: Convert cmci_discover_lock to raw_spinlock
cmci_discover_lock() is taken in atomic contexts (cpu bring
up). Convert it to a raw_spinlock.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce_intel.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c index 8694ef56459d..38e49bc95ffc 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_intel.c +++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c @@ -28,7 +28,7 @@ static DEFINE_PER_CPU(mce_banks_t, mce_banks_owned); * cmci_discover_lock protects against parallel discovery attempts * which could race against each other. */ -static DEFINE_SPINLOCK(cmci_discover_lock); +static DEFINE_RAW_SPINLOCK(cmci_discover_lock); #define CMCI_THRESHOLD 1 @@ -85,7 +85,7 @@ static void cmci_discover(int banks, int boot) int hdr = 0; int i; - spin_lock_irqsave(&cmci_discover_lock, flags); + raw_spin_lock_irqsave(&cmci_discover_lock, flags); for (i = 0; i < banks; i++) { u64 val; @@ -116,7 +116,7 @@ static void cmci_discover(int banks, int boot) WARN_ON(!test_bit(i, __get_cpu_var(mce_poll_banks))); } } - spin_unlock_irqrestore(&cmci_discover_lock, flags); + raw_spin_unlock_irqrestore(&cmci_discover_lock, flags); if (hdr) printk(KERN_CONT "\n"); } @@ -150,7 +150,7 @@ void cmci_clear(void) if (!cmci_supported(&banks)) return; - spin_lock_irqsave(&cmci_discover_lock, flags); + raw_spin_lock_irqsave(&cmci_discover_lock, flags); for (i = 0; i < banks; i++) { if (!test_bit(i, __get_cpu_var(mce_banks_owned))) continue; @@ -160,7 +160,7 @@ void cmci_clear(void) wrmsrl(MSR_IA32_MCx_CTL2(i), val); __clear_bit(i, __get_cpu_var(mce_banks_owned)); } - spin_unlock_irqrestore(&cmci_discover_lock, flags); + raw_spin_unlock_irqrestore(&cmci_discover_lock, flags); } /* |