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


From: Pei XiaoYong
Subject: [Qemu-devel] implemetation of wfe and sev instructions on aarch64
Date: Tue, 26 May 2015 15:29:18 +0800
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

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?




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