From: Cornelia Huck <cohuck@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: "Janosch Frank" <frankja@linux.vnet.ibm.com>,
KVM <kvm@vger.kernel.org>, "David Hildenbrand" <david@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>
Subject: Re: [PATCH v2 1/2] KVM: polling: add architecture backend to disable polling
Date: Thu, 18 Apr 2019 16:44:20 +0200 [thread overview]
Message-ID: <20190418164420.299c8c73.cohuck@redhat.com> (raw)
In-Reply-To: <20190416180158.112309-2-borntraeger@de.ibm.com>
On Tue, 16 Apr 2019 20:01:57 +0200
Christian Borntraeger <borntraeger@de.ibm.com> wrote:
> There are cases where halt polling is unwanted. For example when running
> KVM on an over committed LPAR we rather want to give back the CPU to
> neighbour LPARs instead of polling. Let us provide a callback that
> allows architectures to disable polling.
>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> include/linux/kvm_host.h | 10 ++++++++++
> virt/kvm/Kconfig | 3 +++
> virt/kvm/kvm_main.c | 2 +-
> 3 files changed, 14 insertions(+), 1 deletion(-)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2019-04-18 14:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-16 18:01 [PATCH v2 0/2] disabling halt polling for nested virtualization Christian Borntraeger
2019-04-16 18:01 ` [PATCH v2 1/2] KVM: polling: add architecture backend to disable polling Christian Borntraeger
2019-04-18 14:44 ` Cornelia Huck [this message]
2019-04-16 18:01 ` [PATCH v2 2/2] KVM: s390: provide kvm_arch_no_poll function Christian Borntraeger
2019-04-16 18:02 ` Christian Borntraeger
2019-04-18 14:46 ` Cornelia Huck
2019-04-17 13:20 ` [PATCH v2 0/2] disabling halt polling for nested virtualization Paolo Bonzini
2019-04-17 13:23 ` Christian Borntraeger
2019-04-17 13:43 ` Paolo Bonzini
2019-04-26 7:09 ` Christian Borntraeger
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