Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-20 Thread Jason Wang
在 2022/2/18 下午6:22, Eugenio Perez Martin 写道: On Thu, Feb 17, 2022 at 8:32 AM Michael S. Tsirkin wrote: On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit for vhost-vdpa backend when the underlying device supports this

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-18 Thread Stefano Garzarella
On Fri, Feb 18, 2022 at 11:24:23AM +0100, Eugenio Perez Martin wrote: On Thu, Feb 17, 2022 at 3:29 PM Stefano Garzarella wrote: On Thu, Feb 17, 2022 at 02:32:48AM -0500, Michael S. Tsirkin wrote: >On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: >> This patch adds the ability to

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-18 Thread Michael S. Tsirkin
On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: > This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > for vhost-vdpa backend when the underlying device supports this > feature. > This would aid in reaping performance benefits with HW devices > that implement this

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-18 Thread Eugenio Perez Martin
On Thu, Feb 17, 2022 at 3:29 PM Stefano Garzarella wrote: > > On Thu, Feb 17, 2022 at 02:32:48AM -0500, Michael S. Tsirkin wrote: > >On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: > >> This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > >> for vhost-vdpa backend when

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-18 Thread Eugenio Perez Martin
On Thu, Feb 17, 2022 at 8:32 AM Michael S. Tsirkin wrote: > > On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: > > This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > > for vhost-vdpa backend when the underlying device supports this > > feature. > > This would aid in

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-17 Thread Stefano Garzarella
On Thu, Feb 17, 2022 at 02:32:48AM -0500, Michael S. Tsirkin wrote: On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit for vhost-vdpa backend when the underlying device supports this feature. This would aid in reaping

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-17 Thread Eugenio Perez Martin
On Thu, Feb 17, 2022 at 8:16 AM Jason Wang wrote: > > On Tue, Feb 15, 2022 at 3:23 PM Gautam Dawar wrote: > > > > This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > > for vhost-vdpa backend when the underlying device supports this > > feature. > > This would aid in reaping

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-17 Thread Michael S. Tsirkin
On Thu, Feb 17, 2022 at 08:27:14AM +, Gautam Dawar wrote: > [GD>>] Yes , I agree a complete solution that will support the > emulated virtio device with in_order rx/tx virtqueue functions will > definitely be better but at the same time it will take considerable > amount of time and effort. I

RE: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-17 Thread Gautam Dawar
-Original Message- From: Jason Wang Sent: Thursday, February 17, 2022 12:46 PM To: Gautam Dawar Cc: mst ; qemu-devel ; eperezma ; Martin Petrus Hubertus Habets ; Harpreet Singh Anand ; Gautam Dawar ; Tanuj Murlidhar Kamde ; Pablo Cascon Subject: Re: [PATCH 2/2] Allow

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-16 Thread Michael S. Tsirkin
On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: > This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > for vhost-vdpa backend when the underlying device supports this > feature. > This would aid in reaping performance benefits with HW devices > that implement this

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-16 Thread Jason Wang
On Tue, Feb 15, 2022 at 3:23 PM Gautam Dawar wrote: > > This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > for vhost-vdpa backend when the underlying device supports this > feature. > This would aid in reaping performance benefits with HW devices > that implement this feature. At

Re: [PATCH 2/2] Allow VIRTIO_F_IN_ORDER to be negotiated for vdpa devices

2022-02-15 Thread Eugenio Perez Martin
On Tue, Feb 15, 2022 at 8:23 AM Gautam Dawar wrote: > > This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > for vhost-vdpa backend when the underlying device supports this > feature. > This would aid in reaping performance benefits with HW devices > that implement this feature. At