svn commit: r271707 - stable/10/sys/kern

Andrey Chernov ache at freebsd.org
Wed Sep 17 16:16:43 UTC 2014


On 17.09.2014 18:06, Alexander Motin wrote:
> +	/*
> +	 * Make sure that tdq_load updated before calling this function
> +	 * is globally visible before we read tdq_cpu_idle.  Idle thread
> +	 * accesses both of them without locks, and the order is important.
> +	 */
> +	mb();
> +
>  	if (TD_IS_IDLETHREAD(ctd)) {

I don't understand this comment's first phrase with two verbs. Copy &
paste result?
I also don't see tdq_load access in this function.

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