Re: [Qemu-devel] [Qemu-block] [PULL 11/61] virtio-pci: use ioeventfd even when KVM is disabled

2017-07-02 Thread QingFeng Hao
在 2017/6/28 18:22, Kevin Wolf 写道: Am 28.06.2017 um 12:11 hat QingFeng Hao geschrieben: 在 2017/6/24 0:21, Kevin Wolf 写道: From: Stefan Hajnoczi Old kvm.ko versions only supported a tiny number of ioeventfds so virtio-pci avoids ioeventfds when kvm_has_many_ioeventfds() returns 0. Do not chec

Re: [Qemu-devel] [Qemu-block] [PULL 11/61] virtio-pci: use ioeventfd even when KVM is disabled

2017-06-28 Thread QingFeng Hao
在 2017/6/28 18:22, Kevin Wolf 写道: Am 28.06.2017 um 12:11 hat QingFeng Hao geschrieben: 在 2017/6/24 0:21, Kevin Wolf 写道: From: Stefan Hajnoczi Old kvm.ko versions only supported a tiny number of ioeventfds so virtio-pci avoids ioeventfds when kvm_has_many_ioeventfds() returns 0. Do not chec

Re: [Qemu-devel] [Qemu-block] [PULL 11/61] virtio-pci: use ioeventfd even when KVM is disabled

2017-06-28 Thread Kevin Wolf
Am 28.06.2017 um 12:11 hat QingFeng Hao geschrieben: > 在 2017/6/24 0:21, Kevin Wolf 写道: > >From: Stefan Hajnoczi > > > >Old kvm.ko versions only supported a tiny number of ioeventfds so > >virtio-pci avoids ioeventfds when kvm_has_many_ioeventfds() returns 0. > > > >Do not check kvm_has_many_ioeve

Re: [Qemu-devel] [Qemu-block] [PULL 11/61] virtio-pci: use ioeventfd even when KVM is disabled

2017-06-28 Thread QingFeng Hao
在 2017/6/24 0:21, Kevin Wolf 写道: From: Stefan Hajnoczi Old kvm.ko versions only supported a tiny number of ioeventfds so virtio-pci avoids ioeventfds when kvm_has_many_ioeventfds() returns 0. Do not check kvm_has_many_ioeventfds() when KVM is disabled since it always returns 0. Since commit