Messages in this thread |  | | Subject | Re: Question about rtc_lock | From | Thomas Hood <> | Date | 06 Oct 2001 09:06:24 -0400 |
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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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