Re: [PATCH v3 3/3] KVM: PPC: epapr: install ev_idle hcall for e500 guest
From: Scott Wood <hidden>
Date: 2012-02-10 18:42:03
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kvm
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