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SubjectRe: Question about rtc_lock
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On Sat, 2001-10-06 at 09:01, Alan Cox wrote:
> > spin_lock(&rtc_lock);
> > CMOS_WRITE(v, sbf_port);
> > spin_unlock(&rtc_lock);
> >
> > Does this code run with irqs disabled, or should these
> > spinlocks be _irq ?
>
> The CMOS isnt accessed from IRQ handlers

No, but what if the rtc interrupts while the lock is held in this
bit of code?

Thomas


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