linux-kernel - Re: [PATCH v2 30/43] KVM: Drop unused kvm_vcpu.pre

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Date:   Thu, 28 Oct 2021 18:16:36 +0300
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>,
        Marc Zyngier <maz@...nel.org>,
        Huacai Chen <chenhuacai@...nel.org>,
        Aleksandar Markovic <aleksandar.qemu.devel@...il.com>,
        Paul Mackerras <paulus@...abs.org>,
        Anup Patel <anup.patel@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Atish Patra <atish.patra@....com>,
        David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-mips@...r.kernel.org, kvm@...r.kernel.org,
        kvm-ppc@...r.kernel.org, kvm-riscv@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        David Matlack <dmatlack@...gle.com>,
        Oliver Upton <oupton@...gle.com>,
        Jing Zhang <jingzhangos@...gle.com>
Subject: Re: [PATCH v2 30/43] KVM: Drop unused kvm_vcpu.pre_pcpu field

On Fri, 2021-10-08 at 19:12 -0700, Sean Christopherson wrote:
> Remove kvm_vcpu.pre_pcpu as it no longer has any users.  No functional
> change intended.
> 
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> ---
>  include/linux/kvm_host.h | 1 -
>  virt/kvm/kvm_main.c      | 1 -
>  2 files changed, 2 deletions(-)
> 
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 1fa38dc00b87..87996b22e681 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -304,7 +304,6 @@ struct kvm_vcpu {
>  	u64 requests;
>  	unsigned long guest_debug;
>  
> -	int pre_pcpu;
>  	struct list_head blocked_vcpu_list;
>  
>  	struct mutex mutex;
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index c870cae7e776..2bbf5c9d410f 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -426,7 +426,6 @@ static void kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id)
>  #endif
>  	kvm_async_pf_vcpu_init(vcpu);
>  
> -	vcpu->pre_pcpu = -1;
>  	INIT_LIST_HEAD(&vcpu->blocked_vcpu_list);
>  
>  	kvm_vcpu_set_in_spin_loop(vcpu, false);



Reviewed-by: Maxim Levitsky <mlevitsk@...hat.com>

Best regards,
	Maxim Levitsky