Re: [kvm-devel] What happens on an INT80 instruction

2007-10-02 Thread Jun Koi
On 10/2/07, Cam Macdonell [EMAIL PROTECTED] wrote: Anthony Liguori wrote: Cam Macdonell wrote: Anthony Liguori wrote: Cameron Macdonell wrote: Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an

Re: [kvm-devel] What happens on an INT80 instruction

2007-10-02 Thread Jun Koi
On 10/1/07, Anthony Liguori [EMAIL PROTECTED] wrote: Cameron Macdonell wrote: Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an int80 instruction from a guest? A pointer to an answer is just as good as

Re: [kvm-devel] What happens on an INT80 instruction

2007-10-02 Thread Gregory Haskins
On Mon, 2007-10-01 at 17:23 -0600, Cam Macdonell wrote: Actually, I looking into doing a PhD dissertation :) I'm just trying to get a better working understanding of how kvm (and other VMMs) handle instructions like int80 that should trap into the OS, but of course in a VM need to trap

Re: [kvm-devel] What happens on an INT80 instruction

2007-10-02 Thread Anthony Liguori
Jun Koi wrote: On 10/1/07, Anthony Liguori [EMAIL PROTECTED] wrote: Cameron Macdonell wrote: Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an int80 instruction from a guest? A pointer to an

Re: [kvm-devel] What happens on an INT80 instruction

2007-10-01 Thread Cam Macdonell
Anthony Liguori wrote: Cameron Macdonell wrote: Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an int80 instruction from a guest? A pointer to an answer is just as good as an answer itself. The

Re: [kvm-devel] What happens on an INT80 instruction

2007-10-01 Thread Anthony Liguori
Cam Macdonell wrote: Anthony Liguori wrote: Cameron Macdonell wrote: Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an int80 instruction from a guest? A pointer to an answer is just as good as an

Re: [kvm-devel] What happens on an INT80 instruction

2007-10-01 Thread Cam Macdonell
Anthony Liguori wrote: Cam Macdonell wrote: Anthony Liguori wrote: Cameron Macdonell wrote: Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an int80 instruction from a guest? A pointer to an answer is

[kvm-devel] What happens on an INT80 instruction

2007-09-30 Thread Cameron Macdonell
Hi, I'm trying to understand guest virtualization at the lower levels. I have a somewhat basic question: How does KVM virtualize an int80 instruction from a guest? A pointer to an answer is just as good as an answer itself. Thanks, Cam