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xen-devel
Re: [Xen-devel] [PATCH] vmx: correct EIP value of task-state segment
Keir Fraser writes:
> What about SVM, and what if the reason for the task switch is a hardware
> interrupt or exception (the only case we care about for Windows at least)?
Unfortunately I have no SVM machine.
The task switch is a software interrupt "int $2" in a proprietary OS.
> The reference manuals are sketchy enough you may need to test out some task
> switches on SVM and VMX hardware to make sure you make patches that really
> do the right thing.
Sorry, I don't have much time to test this.
But the OS works fine with this patch. (of course, the OS is for native)
I confirmed Windows(XP,2008Server) never use a task switch.
So I think it's worth to get in the tree.
Thanks,
Kouya
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