Question on VMentry Checks

Question on VMentry Checks

During vmlaunch/vmresume, several checks are performed on the guest state area.  I was wondering if anyone else had noticed that Guest RSP field is never checked for a non-canonical address. The virtualization spec talks about such checks for Guest RIP or GDTR or IDTR. I was wondering why this check was not done for the Guest RSP?

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For more complete information about compiler optimizations, see our Optimization Notice.

You could review source code from xen.org for an example of VMEntry handling. -Thai  

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