Re: kvm VMCALL question

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On 30/12/2016 10:14, jack.chen wrote:
> hello ,I execute VMCALL in virtual machine,But no vm exit occured,is
> the VMCALL need set some bit in register or VMCS ??
> thanks!
> #define VMCALL_M __asm _EMIT 0x0f __asm _EMIT 0x01 __asm _EMIT 0xc1

If you're expecting an exit to QEMU, you won't get it; VMCALL is usually
handled entirely in the kernel.

Paolo
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