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Re: [Xen-devel] Nested events in 64bit mini-OS

Xu Zhang, le Tue 23 Oct 2012 17:43:28 -0500, a écrit :
> 64-bit mini-OS seems to adopt a mixed use of both (in HYPERVISOR_IRET).
> mini-OS doesn't have an userspace, so unless an NMI happened, it always
> perform interrupt/exception return with machine instruction iret, without
> checking against nested events. This is wrong to me. Am I missing something
> here?

I don't think you are missing anything. Cc-ing Grzegorz, who actually
wrote the code.


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