linux-kernel - Re: [PATCH v2 3/9] KVM: remove #ifndef CONFIG_S390 around kvm_vcpu_wake

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Message-ID: <20170503160532.GB26679@potion>
Date:   Wed, 3 May 2017 18:05:33 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     Christoffer Dall <cdall@...aro.org>,
        Andrew Jones <drjones@...hat.com>,
        Marc Zyngier <marc.zyngier@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Cornelia Huck <cornelia.huck@...ibm.com>,
        James Hogan <james.hogan@...tec.com>,
        Paul Mackerras <paulus@...abs.org>
Subject: Re: [PATCH v2 3/9] KVM: remove #ifndef CONFIG_S390 around
 kvm_vcpu_wake_up

2017-04-26 22:32+0200, Radim Krčmář:
> The #ifndef was protecting a missing halt_wakeup stat, but that is no
> longer necessary.

It was also protecting smp_send_reschedule() in kvm_vcpu_kick() and I
didn't include Christian's patch that exported it and also missed the
warning.  Going to send v3 of this patch that removes the ifdef really
only around kvm_vcpu_wake_up().

Sorry for that.

> Acked-by: Christian Borntraeger <borntraeger@...ibm.com>
> Signed-off-by: Radim Krčmář <rkrcmar@...hat.com>
> ---
>  virt/kvm/kvm_main.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 357e67cba32e..e5d52b46b531 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -2195,7 +2195,6 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
>  }
>  EXPORT_SYMBOL_GPL(kvm_vcpu_block);
>  
> -#ifndef CONFIG_S390
>  void kvm_vcpu_wake_up(struct kvm_vcpu *vcpu)
>  {
>  	struct swait_queue_head *wqp;
> @@ -2225,7 +2224,6 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
>  	put_cpu();
>  }
>  EXPORT_SYMBOL_GPL(kvm_vcpu_kick);
> -#endif /* !CONFIG_S390 */
>  
>  int kvm_vcpu_yield_to(struct kvm_vcpu *target)
>  {
> -- 
> 2.12.2
>