On Friday 11 August 2006 22:07, Alan Cox wrote:
> > + printk(KERN_WARNING "%s: watchdog expired - resetting system\n",
> > + wdt_gpi_name);
> > +
> > + *(volatile char *) flagaddr |= 0x01;
> > + *(volatile char *) resetaddr = powercycle ? 0x01 : 0x2;
> > + iob();
> > + while (1) continue;
>
> cpu_relax();
I tried to find out about the purpose of cpu_relax(). On MIPS, at least,
it maps to barrier(). I do not quite understand why I would need a
barrier() in this place. Would you, or someone else, care to
enlighten me?
I am sending a revised patch in a separate mail.
Thomas
--
Thomas Koeller
[email protected]
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