Re: [PATCH v10 12/19] unfair qspinlock: Variable frequency lock stealing mechanism

[Peter Zijlstra]

On Wed, May 07, 2014 at 11:01:40AM -0400, Waiman Long wrote:
> +#define DEF_LOOP_CNT(c)		int c = 0
> +#define INC_LOOP_CNT(c)		(c)++
> +#define LOOP_CNT(c)		c
> +#define LSTEAL_MIN		(1 << 3)
> +#define LSTEAL_MAX		(1 << 10)
> +#define LSTEAL_MIN_MASK		(LSTEAL_MIN - 1)
> +#define LSTEAL_MAX_MASK		(LSTEAL_MAX - 1)

*groan*.. why do you have to write the most obfuscated code ever? We're
not ioccc.org.


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