Re: [PATCH RFC 1/4] vdpa: introduce .reset_map operation callback

2023-08-16 Thread Si-Wei Liu
On 8/15/2023 6:55 PM, Jason Wang wrote: On Wed, Aug 16, 2023 at 3:49 AM Si-Wei Liu wrote: On 8/14/2023 7:21 PM, Jason Wang wrote: On Tue, Aug 15, 2023 at 9:46 AM Si-Wei Liu wrote: Signed-off-by: Si-Wei Liu --- include/linux/vdpa.h | 7 +++ 1 file changed, 7 insertions(+) diff

Re: [PATCH RFC 4/4] vhost-vdpa: introduce IOTLB_PERSIST backend feature bit

2023-08-16 Thread Si-Wei Liu
On 8/15/2023 6:48 PM, Jason Wang wrote: On Wed, Aug 16, 2023 at 6:31 AM Si-Wei Liu wrote: On 8/14/2023 7:25 PM, Jason Wang wrote: On Tue, Aug 15, 2023 at 9:45 AM Si-Wei Liu wrote: Signed-off-by: Si-Wei Liu --- drivers/vhost/vdpa.c | 16 +++- include/uapi/lin

Re: [PATCH V4] virtio-fs: Improved request latencies when Virtio queue is full

2023-08-16 Thread Vivek Goyal
On Mon, Jul 03, 2023 at 09:14:59PM +0200, Peter-Jan Gootzen wrote: > When the Virtio queue is full, a work item is scheduled > to execute in 1ms that retries adding the request to the queue. > This is a large amount of time on the scale on which a > virtio-fs device can operate. When using a DPU th

Re: [PATCH net v1] virtio_net: Introduce skb_vnet_common_hdr to avoid typecasting

2023-08-16 Thread Feng Liu via Virtualization
On 2023-08-16 a.m.10:53, Willem de Bruijn wrote: External email: Use caution opening links or attachments Thanks for the detailed explanation. I kept virtio_net_hdr_mrg_rxbuf and virtio_net_hdr_v1_hash structures in virtio_net.h, which can be forward compatible with existing user applicat

Re: [PATCH net v1] virtio_net: Introduce skb_vnet_common_hdr to avoid typecasting

2023-08-16 Thread Willem de Bruijn
> > > > Since legacy virtio will no longer be modified, I don't think there is > > much value is exposing this new union as UAPI. I do appreciate the > > benefit to the implementation. > > > > [1] > > https://patches.linaro.org/project/netdev/patch/20210208185558.995292-3-willemdebruijn.ker...@g

Re: [PATCH V4] virtio-fs: Improved request latencies when Virtio queue is full

2023-08-16 Thread Stefan Hajnoczi
On Mon, Jul 03, 2023 at 09:14:59PM +0200, Peter-Jan Gootzen wrote: > When the Virtio queue is full, a work item is scheduled > to execute in 1ms that retries adding the request to the queue. > This is a large amount of time on the scale on which a > virtio-fs device can operate. When using a DPU th