On Fri, 2009-10-16 at 09:12 +0800, wilbur.chan wrote:
> static inline unsigned long local_irq_disable(void)
> {
> unsigned long flags, zero;
>
> __asm__ __volatile__("li %1,0; lbz %0,%2(13); stb %1,%2(13)"
> : "=r" (flags), "=&r" (zero)
> : "i" (offsetof(struct paca_struct, soft_enabled))
> : "memory");
>
> return flags;
> }
This is not the variant of local_irq_disable() used on that machine :-)
The above is the 64-bit version.
Ben.
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