Re: [patch] proposed fix for ptrace() SMP race

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 7 Sep 2001 02:41:11 +0100 (BST)

> +#ifdef CONFIG_SMP
> + rmb(); /* read child->has_cpu after child->state */
> + while (child->has_cpu);
rep_nop();

otherwise your PIV will overheat
-
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