Thanks George.
Well.
What is EXIT_REASON_EPT_VIOLATION for in hvm_vmx_exit_reason_name?
Is it refer to guest page fault?
> Date: Fri, 18 Feb 2011 10:28:41 +0000 > Subject: Re: [Xen-devel] Could some help to explain code under /xen/arch/x86/hvm > From: George.Dunlap@xxxxxxxxxxxxx > To: tinnycloud@xxxxxxxxxxx > CC: xen-devel@xxxxxxxxxxxxxxxxxxx > > As the name suggests, it contains code related to hardware-assisted > virtualizaton (HVM). hvm/vmx/* have to do specifically with Intel's > HVM tecnology, and hvm/svm/* have to do with AMD's HVM technology. > Overall activities: > * Dealing with virtualizing privileged instructions (pagetables, CR3, > LDTs IDTs, traps, interrupts, &c) > * Serving as an interface to pagetable functionality, either using HAP > (hardware-assisted paging) or shadow pagetables > * Dealing with device IO: PIO and MMIO. Most of these are passed back > to qemu, but some are handled in the hypervisor. > * Implementing in-hypervisor devices > > The instruction emu
lation routines are abstracted such that they can > be shared between shadow pagetable code and MMIO/PIO. > > Hopefully that gives you an idea as you explore on your own. :-) > > -George > > On Fri, Feb 18, 2011 at 9:10 AM, tinnycloud <tinnycloud@xxxxxxxxxxx> wrote: > > Hi: > > > > I am trying to understand more Xen code. > > > > Regards to /xen/arch/x86/hvm, I would like to know what is the code > > for? > > > > What is it try to emulate, it looks like has relation with IO, what is > > the logic? > > > > Many thanks. > > > > > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxxxxxxxx > > http://lists.xensource.com/xen
-devel > >
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