From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cornelia Huck Subject: Re: [PATCH v1 2/2] virtio-balloon: improve update_balloon_size_func Date: Thu, 3 Jan 2019 10:42:36 +0100 Message-ID: <20190103104236.06568289.cohuck@redhat.com> References: <1546493462-32244-1-git-send-email-wei.w.wang@intel.com> <1546493462-32244-3-git-send-email-wei.w.wang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, mst@redhat.com, borntraeger@de.ibm.com, pbonzini@redhat.com, dgilbert@redhat.com, pasic@linux.ibm.com To: Wei Wang Return-path: Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: In-Reply-To: <1546493462-32244-3-git-send-email-wei.w.wang@intel.com> List-Id: kvm.vger.kernel.org On Thu, 3 Jan 2019 13:31:02 +0800 Wei Wang wrote: > There is no need to update the balloon actual register when there is no > ballooning request. This patch avoids update_balloon_size when diff is 0. > > Signed-off-by: Wei Wang > --- > drivers/virtio/virtio_balloon.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Reviewed-by: Cornelia Huck