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Hi,All I searched from git-log, and found that until now we have vhost TX zero-copy experiment feature, how about RX zero-copy? For XEN, net-back also only has TX zero-copy, Is there any reason that RX zero-copy still not implemented? Thanks!

Hi,All I searched from git-log, and found that until now we have vhost TX zero-copy experiment feature, how about RX zero-copy? For XEN, net-back also only has TX zero-copy, Is there any reason that RX zero-copy still not implemented? Thanks!

...i 5 novembre 2014 09:00 ??: linux-kernel at vger.kernel.org Cc?: mst at redhat.com; peter.maydell at linaro.org; john.liuli at huawei.com; joel.schopp at amd.com; GAUGUEY R?my 228890; qemu-devel at nongnu.org; n.nikolaev at virtualopensystems.com; virtualization at lists.linux-foundation.org; peter.huangpeng at huawei.com; hangaohuai at huawei.com Objet?: Re: [RFC PATCH] virtio-mmio: support for multiple irqs On 2014/11/4 17:35, Shannon Zhao wrote: > As the current virtio-mmio only support single irq, so some advanced > features such as vhost-net with irqfd are not supported. And the net >...

...i 5 novembre 2014 09:00 ??: linux-kernel at vger.kernel.org Cc?: mst at redhat.com; peter.maydell at linaro.org; john.liuli at huawei.com; joel.schopp at amd.com; GAUGUEY R?my 228890; qemu-devel at nongnu.org; n.nikolaev at virtualopensystems.com; virtualization at lists.linux-foundation.org; peter.huangpeng at huawei.com; hangaohuai at huawei.com Objet?: Re: [RFC PATCH] virtio-mmio: support for multiple irqs On 2014/11/4 17:35, Shannon Zhao wrote: > As the current virtio-mmio only support single irq, so some advanced > features such as vhost-net with irqfd are not supported. And the net >...

...re 2014 09:00 > ? : linux-kernel at vger.kernel.org > Cc : mst at redhat.com; peter.maydell at linaro.org; john.liuli at huawei.com; joel.schopp at amd.com; GAUGUEY R?my 228890; qemu-devel at nongnu.org; n.nikolaev at virtualopensystems.com; virtualization at lists.linux-foundation.org; peter.huangpeng at huawei.com; hangaohuai at huawei.com > Objet : Re: [RFC PATCH] virtio-mmio: support for multiple irqs > > > On 2014/11/4 17:35, Shannon Zhao wrote: >> As the current virtio-mmio only support single irq, so some advanced >> features such as vhost-net with irqfd are not...

As the current virtio-mmio only support single irq, so some advanced features such as vhost-net with irqfd are not supported. And the net performance is not the best without vhost-net and irqfd supporting. This patch support virtio-mmio to request multiple irqs like virtio-pci. With this patch and qemu assigning multiple irqs for virtio-mmio device, it's ok to use vhost-net with irqfd on

As the current virtio-mmio only support single irq, so some advanced features such as vhost-net with irqfd are not supported. And the net performance is not the best without vhost-net and irqfd supporting. This patch support virtio-mmio to request multiple irqs like virtio-pci. With this patch and qemu assigning multiple irqs for virtio-mmio device, it's ok to use vhost-net with irqfd on

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...

...hen@freescale.com> Peter Clifton <Peter.Clifton@clifton-electronics.com> Peter Crosthwaite <peter.crosthwaite@xilinx.com> Peter De Schrijver <pdeschrijver@nvidia.com> Peter Feuerer <peter@piie.net> Peter Foley <pefoley2@verizon.net> Peter Huang <peter.huangpeng@huawei.com> Peter Huewe <peter.huewe@infineon.com> Peter Huewe <peterhuewe@gmx.de> Peter Hurley <peter@hurleysoftware.com> Peter Hutterer <peter.hutterer@who-t.net> Peter Hüwe <PeterHuewe@gmx.de> Peter Jones <pjones@redhat.com> Peter Korsgaard &l...