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Date: Tue, 29 Aug 2017 13:26:35 +0200
From: Cornelia Huck <cohuck@redhat.com>
To: Radim =?UTF-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        linux-mips@linux-mips.org, kvm-ppc@vger.kernel.org,
        linux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Paolo Bonzini <pbonzini@redhat.com>,
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        Marc Zyngier <marc.zyngier@arm.com>,
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        James Hogan <james.hogan@imgtec.com>,
        Paul Mackerras <paulus@ozlabs.org>, Alexander Graf <agraf@suse.com>
Subject: Re: [PATCH RFC v3 1/9] KVM: s390: optimize detection of started
 vcpus
Message-ID: <20170829132635.23941a6f.cohuck@redhat.com>
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        <20170821203530.9266-2-rkrcmar@redhat.com>
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On Mon, 21 Aug 2017 22:35:22 +0200
Radim Krčmář <rkrcmar@redhat.com> wrote:

> We can add a variable instead of scanning all online VCPUs to know how
> many are started.  We can't trivially tell which VCPU is the last one,
> though.
> 
> Suggested-by: Cornelia Huck <cohuck@redhat.com>
> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
> ---
>  arch/s390/include/asm/kvm_host.h |  1 +
>  arch/s390/kvm/kvm-s390.c         | 39 +++++++++++++++------------------------
>  2 files changed, 16 insertions(+), 24 deletions(-)

Modulo the bug noticed by Christian, I think this looks good.