On 02/10/2012 04:02 AM, Liu Yu wrote:
> +_GLOBAL(epapr_ev_idle)
> +epapr_ev_idle:
> +#ifdef CONFIG_E500
> +     rlwinm  r3,r1,0,0,31-THREAD_SHIFT       /* current thread_info */
> +     lwz     r4,TI_LOCAL_FLAGS(r3)   /* set napping bit */
> +     ori     r4,r4,_TLF_NAPPING      /* so when we take an exception */
> +     stw     r4,TI_LOCAL_FLAGS(r3)   /* it will return to our caller */
> +#endif
> +     wrteei  1

On what hardware would you not need to use _TLF_NAPPING?

-Scott

_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev

Reply via email to