[Bug 65561] KVM:Entry failed on Single stepping sti instruction

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=65561

--- Comment #21 from Jatin Kumar <jatin.iitdelhi@gmail.com> ---
The way I would approach this problem is to first check if there is a VM_EXIT
while executing this instruction. You should be able to find that in
vmx_vcpu_run() function (I guess in KVM code). Put a printk there and print the
instruction as well which caused VM_EXIT.

Futher you should try to investigate if the control flow is trying to emulate
this instruction and then your printk's should be triggered.

CAUTION: I haven't spent much time digging KVM code, but I am confident about
the VM_EXIT part. Still after putting in some effort, you may want to wait for
Paolo's reply :)

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