linux-kernel - Re: [PART1 RFC v4 02/11] KVM: x86: Introducing kvm_x86

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Date:	Mon, 18 Apr 2016 15:40:15 -0500
From:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
To:	Radim Krčmář <rkrcmar@...hat.com>
CC:	<pbonzini@...hat.com>, <joro@...tes.org>, <bp@...en8.de>,
	<gleb@...nel.org>, <alex.williamson@...hat.com>,
	<kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<wei@...hat.com>, <sherry.hurwitz@....com>
Subject: Re: [PART1 RFC v4 02/11] KVM: x86: Introducing kvm_x86_ops VM
 init/uninit hooks

Radim,

On 04/12/2016 03:49 AM, Radim Krčmář wrote:
> 2016-04-07 03:20-0500, Suravee Suthikulpanit:
>> Adding function pointers in struct kvm_x86_ops for processor-specific
>> layer to provide hooks for when KVM initialize and un-initialize VM.
>>
>> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
>> ---
>> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
>> @@ -7781,6 +7784,9 @@ static void kvm_free_vcpus(struct kvm *kvm)
>>   	kvm_for_each_vcpu(i, vcpu, kvm)
>>   		kvm_arch_vcpu_free(vcpu);
>>
>> +	if (kvm_x86_ops->vm_uninit)
>> +		kvm_x86_ops->vm_uninit(kvm);
>
> vm_uninit() doesn't seem to have much to do with kvm_free_vcpus(),
> please call it from kvm_arch_destroy_vm().
>
> (kvm_x86_ops.vm_destroy would be a better name then.)
>

Okay. I'll rename this and move the hook to be called from 
kvm_arch_destroy_vm().

Thanks,
Suravee