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| author |   Thomas Gleixner <tglx@linutronix.de> | 2009-07-25 16:49:55 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-02-16 18:08:07 +0100 |
| commit | 0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (patch) | |
| tree | 2435c39f3c5e4018fe6ffe72c2309349a1341cd7 /arch/x86/kernel/apic | |
| parent | x86: Convert ioapic_lock and vector_lock to raw_spinlock (diff) | |
| download | linux-dev-0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9.tar.xz linux-dev-0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9.zip | |
x86: Convert nmi_lock to raw_spinlock
nmi_lock must be a spinning spinlock in -rt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apic')
| -rw-r--r-- | arch/x86/kernel/apic/nmi.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c index 0159a69396cb..24e7742d633a 100644 --- a/arch/x86/kernel/apic/nmi.c +++ b/arch/x86/kernel/apic/nmi.c @@ -416,13 +416,13 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason) /* We can be called before check_nmi_watchdog, hence NULL check. */ if (cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) { - static DEFINE_SPINLOCK(lock); /* Serialise the printks */ + static DEFINE_RAW_SPINLOCK(lock); /* Serialise the printks */ - spin_lock(&lock); + raw_spin_lock(&lock); printk(KERN_WARNING "NMI backtrace for cpu %d\n", cpu); show_regs(regs); dump_stack(); - spin_unlock(&lock); + raw_spin_unlock(&lock); cpumask_clear_cpu(cpu, to_cpumask(backtrace_mask)); rc = 1; |