linux-kernel - Re: [RFC PATCH v2 13/69] KVM: Enable hardware before doing arch VM initialization

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Date:   Tue, 6 Jul 2021 15:26:32 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     isaku.yamahata@...el.com, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, erdemaktas@...gle.com,
        Connor Kuehl <ckuehl@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     isaku.yamahata@...il.com,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: Re: [RFC PATCH v2 13/69] KVM: Enable hardware before doing arch VM
 initialization

On 03/07/21 00:04, isaku.yamahata@...el.com wrote:
> This also provides consistent ordering between kvm_create_vm() and
> kvm_destroy_vm() with respect to calling kvm_arch_destroy_vm() and
> hardware_disable_all().
> 
> Signed-off-by: Sean Christopherson<sean.j.christopherson@...el.com>
> Signed-off-by: Isaku Yamahata<isaku.yamahata@...el.com>
> ---
>   virt/kvm/kvm_main.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 9e52fe999c92..751d1f6890b0 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -923,7 +923,7 @@ static struct kvm *kvm_create_vm(unsigned long type)
>   		struct kvm_memslots *slots = kvm_alloc_memslots();
>   
>   		if (!slots)
> -			goto out_err_no_arch_destroy_vm;
> +			goto out_err_no_disable;
>   		/* Generations must be different for each address space. */
>   		slots->generation = i;
>   		rcu_assign_pointer(kvm->memslots[i], slots);
> @@ -933,19 +933,19 @@ static struct kvm *kvm_create_vm(unsigned long typ

Reviewed-by: Paolo Bonzini <pbonzini@...hat.com>