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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-25 16:08:10 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-07-27 21:07:15 +0200 |
| commit | b20de918527a9c1558b3e8a02f935cf4cb53e3ba (patch) | |
| tree | 6f2e8b1a68998152e0d924a6f414833a9ff6a64e /kernel/softlockup.c | |
| parent | 938ba5ebeee2f7e81a137d7eac73fb014d5fc1a5 (diff) | |
| download | lwn-b20de918527a9c1558b3e8a02f935cf4cb53e3ba.tar.gz lwn-b20de918527a9c1558b3e8a02f935cf4cb53e3ba.zip | |
softlockup: Convert to atomic_spinlock
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/softlockup.c')
| -rw-r--r-- | kernel/softlockup.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/softlockup.c b/kernel/softlockup.c index 88796c330838..62996170311d 100644 --- a/kernel/softlockup.c +++ b/kernel/softlockup.c @@ -20,7 +20,7 @@ #include <asm/irq_regs.h> -static DEFINE_SPINLOCK(print_lock); +static DEFINE_ATOMIC_SPINLOCK(print_lock); static DEFINE_PER_CPU(unsigned long, touch_timestamp); static DEFINE_PER_CPU(unsigned long, print_timestamp); @@ -149,7 +149,7 @@ void softlockup_tick(void) per_cpu(print_timestamp, this_cpu) = touch_timestamp; - spin_lock(&print_lock); + atomic_spin_lock(&print_lock); printk(KERN_ERR "BUG: soft lockup - CPU#%d stuck for %lus! [%s:%d]\n", this_cpu, now - touch_timestamp, current->comm, task_pid_nr(current)); @@ -159,7 +159,7 @@ void softlockup_tick(void) show_regs(regs); else dump_stack(); - spin_unlock(&print_lock); + atomic_spin_unlock(&print_lock); if (softlockup_panic) panic("softlockup: hung tasks"); |