Re: Question about rtc_lock

[Thomas Hood]

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