It's a UP configured system.
-bmb-
> -----Original Message-----
> From: Andi Kleen [mailto:ak@suse.de]
> Sent: Monday, December 18, 2000 3:18 PM
> To: Boerner, Brian
> Cc: 'linux-kernel@vger.redhat.com'
> Subject: Re: Disabling interrupts in 2.4.x
>
>
> > The only thing I am sure of is that interrupts are simply
> not disabled.
>
> They are only disabled on the local CPU, they could still
> occur on other
> CPUs. This is not different from 2.2.
>
> >
> > I've also looked at some other scsi drivers that are
> disabling interrupts
> > and they appear to be making similar calls to spin_lock_irqsave.
> >
> > Does anyone have any suggestions for debugging this? Is
> there a call that
> > can be made to find out if interrupts are actually disabled?
>
> unsigned flag;
> asm volatile("pushfl ; popfl %0" : "=r" (flag));
> printk(KERN_DEBUG "local interrupts are %s\n", (flag &
> (1<<9)) ? "enabled" : "disabled");
>
> -Andi
>
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