Re: [patch] serial console vs NMI watchdog

From: Robert Read (rread@datarithm.net)
Date: Fri Mar 09 2001 - 17:23:32 EST


On Sat, Mar 10, 2001 at 01:21:25AM +1100, Andrew Morton wrote:
> +static atomic_t nmi_watchdog_enabled = ATOMIC_INIT(0); /* 0 == enabled */
> +
> +void enable_nmi_watchdog(int yes)
> +{
> + if (yes)
> + atomic_inc(&nmi_watchdog_enabled);
> + else
> + atomic_dec(&nmi_watchdog_enabled);
> +}
>
> void nmi_watchdog_tick (struct pt_regs * regs)
> {
> @@ -255,7 +264,7 @@
>
> sum = apic_timer_irqs[cpu];
>
> - if (last_irq_sums[cpu] == sum) {
> + if (last_irq_sums[cpu] == sum && atomic_read(&nmi_watchdog_enabled) == 0) {

Shouldn't that be atomic_read(&nmi_watchdog_enabled) != 0?
-
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This archive was generated by hypermail 2b29 : Thu Mar 15 2001 - 21:00:11 EST