Re: Could anybody give some description about the implement ofhyercall in kvm?

[Stefan Hajnoczi]

On Thu, Jan 12, 2012 at 4:38 AM, Liu ping fan <kernelfans@xxxxxxxxx> wrote:
> Could anybody give some description about the implement of hyercall in
> kvm? Or give some links about it?

Try git grep hypercall arch/x86/kvm.

Take a look at arch/x86/kvm/x86.c kvm_set_msr_common() and
kvm_emulate_hypercall().  Some of the KVM time-keeping, minimal HyperV
support, and async page faults live there.  Also see
arch/x86/include/asm/kvm_para.h.

Hypercalls are architecture-specific so if you are interested in ppc
or s390, check those arch directories.

Stefan
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