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will qemu zero out memory before allocating


From: Jiatong Shen
Subject: will qemu zero out memory before allocating
Date: Fri, 20 Aug 2021 18:23:40 +0800

Hello,

   For some security reasons, I would like to ask if memory will be zeroed out before giving to virtual machine? For example, before ept entry constructed, a hpa could have already got some contents, will these contents be cleared before this hpa associated with a gpa? 

Thank you and hopes what I wrote makes some sense....

--

Best Regards,

Jiatong Shen

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