Re: [Qemu-devel] implemetation of wfe and sev instructions on aarch64

2015-05-26 Thread Peter Crosthwaite
On Tue, May 26, 2015 at 12:29 AM, Pei XiaoYong wrote: > hello everybody: > in linux kernel , when smp booting via spin tables , primary core use > sev instruction to wakeup the secondery cores . > but qemu don't support sev and wfe in TCG model . So it should still work as the semantic of wfe is

[Qemu-devel] implemetation of wfe and sev instructions on aarch64

2015-05-26 Thread Pei XiaoYong
hello everybody: in linux kernel , when smp booting via spin tables , primary core use sev instruction to wakeup the secondery cores . but qemu don't support sev and wfe in TCG model . does somebody have some idea about how to implemet wfe and sev instruction on aarch64?