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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 17:00:33 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 17:00:33 (GMT) |
| commit | 3d14b5beba35250c548d3851a2b84fce742d8311 (patch) | |
| tree | 065e3d93c3fcbc5ee4c44fa78662393cddbdf6de /arch/x86/kernel/apic/nmi.c | |
| parent | 0719dc341389882cc834ed18fc9b7fc6006b2b85 (diff) | |
| parent | 1bf8e6219552d5dd27012d567ec8c4bb9c2d86b4 (diff) | |
| download | linux-fsl-qoriq-3d14b5beba35250c548d3851a2b84fce742d8311.tar.xz | |
Merge branch 'sa1100' into devel
Diffstat (limited to 'arch/x86/kernel/apic/nmi.c')
| -rw-r--r-- | arch/x86/kernel/apic/nmi.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c index 7ff61d6..6389432 100644 --- a/arch/x86/kernel/apic/nmi.c +++ b/arch/x86/kernel/apic/nmi.c @@ -39,7 +39,8 @@ int unknown_nmi_panic; int nmi_watchdog_enabled; -static cpumask_t backtrace_mask __read_mostly; +/* For reliability, we're prepared to waste bits here. */ +static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly; /* nmi_active: * >0: the lapic NMI watchdog is active, but can be disabled @@ -414,7 +415,7 @@ 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, &backtrace_mask)) { + if (cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) { static DEFINE_SPINLOCK(lock); /* Serialise the printks */ spin_lock(&lock); @@ -422,7 +423,7 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason) show_regs(regs); dump_stack(); spin_unlock(&lock); - cpumask_clear_cpu(cpu, &backtrace_mask); + cpumask_clear_cpu(cpu, to_cpumask(backtrace_mask)); rc = 1; } @@ -558,14 +559,14 @@ void arch_trigger_all_cpu_backtrace(void) { int i; - cpumask_copy(&backtrace_mask, cpu_online_mask); + cpumask_copy(to_cpumask(backtrace_mask), cpu_online_mask); printk(KERN_INFO "sending NMI to all CPUs:\n"); apic->send_IPI_all(NMI_VECTOR); /* Wait for up to 10 seconds for all CPUs to do the backtrace */ for (i = 0; i < 10 * 1000; i++) { - if (cpumask_empty(&backtrace_mask)) + if (cpumask_empty(to_cpumask(backtrace_mask))) break; mdelay(1); } |