On Mon, 27 Apr 2009 14:05:44 -0500
"Timur Tabi" <ti...@freescale.com> wrote:
> +#define spin_event_timeout(condition, timeout, delay,
> rc) \
> +{ \
> + unsigned long __loops = tb_ticks_per_usec *
> timeout; \
> + unsigned long __start =
> get_tbl(); \
> + while (!(rc = (condition)) && (tb_ticks_since(__start) <=
> __loops)) \
> + udelay(delay);
> \ +}
> +
Would cpu_relax be a good thing to put here?
Something like:
while (!(rc = (condition)) && (tb_ticks_since(__start) <= __loops)) \
if (delay) \
udelay(delay); \
else \
cpu_relax(); \
Cheers,
Sean
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