From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: Difference between vcpu_load and kvm_sched_in ?
Date: Wed, 21 Oct 2015 12:25:43 +0200
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Cc: kvm@vger.kernel.org, Wanpeng Li <wanpeng.li@hotmail.com>
To: Hebbal Yacine <y_hebbal@esi.dz>
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On 21/10/2015 12:17, Hebbal Yacine wrote:
> Thanks for the explanation, it's very clear.
> I tired that but I didn't succeed to send the ioctl from "run_on_cpu"
> function, I didn't find how to set the right CPUStat
> I've tried "current_cpu"

Current_cpu is always NULL outside the VCPU thread.

> 
> kvm_main.c:
> 
> // yacine.begin
> 
> static void do_vmi_start_kvm_ioctl(void *type) {
>     printf("do_vmi_start_kvm_ioctl\n");
>     kvm_vm_ioctl(kvm_state, type);

Are you sure you want a VM ioctl and not a VCPU ioctl?  Or perhaps a VM
ioctl to do generic processing, and a VCPU ioctl that is then sent to
all VCPUs?

If you use a VCPU ioctl, you can use CPU_FOREACH or a for loop to
iterate over all VCPUs.

Paolo