Re: [PATCH RFC v3 1/9] KVM: s390: optimize detection of started vcpus

From: Cornelia Huck
Date: Tue Aug 29 2017 - 07:26:50 EST


On Mon, 21 Aug 2017 22:35:22 +0200
Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx> 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@xxxxxxxxxx>
> Signed-off-by: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
> ---
> 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.