Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-08 Thread Jason Wang
On Mon, May 8, 2023 at 2:47 PM Michael S. Tsirkin wrote: > > On Mon, May 08, 2023 at 02:13:42PM +0800, Jason Wang wrote: > > On Mon, May 8, 2023 at 2:08 PM Michael S. Tsirkin wrote: > > > > > > On Mon, May 08, 2023 at 11:12:03AM +0800, Jason Wang wrote: > > > > > > > > 在 2023/5/7 21:34, Michael S

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-07 Thread Michael S. Tsirkin
On Mon, May 08, 2023 at 02:13:42PM +0800, Jason Wang wrote: > On Mon, May 8, 2023 at 2:08 PM Michael S. Tsirkin wrote: > > > > On Mon, May 08, 2023 at 11:12:03AM +0800, Jason Wang wrote: > > > > > > 在 2023/5/7 21:34, Michael S. Tsirkin 写道: > > > > On Fri, May 05, 2023 at 11:28:25AM +0800, Jason Wa

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-07 Thread Jason Wang
On Mon, May 8, 2023 at 2:08 PM Michael S. Tsirkin wrote: > > On Mon, May 08, 2023 at 11:12:03AM +0800, Jason Wang wrote: > > > > 在 2023/5/7 21:34, Michael S. Tsirkin 写道: > > > On Fri, May 05, 2023 at 11:28:25AM +0800, Jason Wang wrote: > > > > On Thu, May 4, 2023 at 10:27 AM Wenliang Wang > > > >

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-07 Thread Michael S. Tsirkin
On Mon, May 08, 2023 at 11:12:03AM +0800, Jason Wang wrote: > > 在 2023/5/7 21:34, Michael S. Tsirkin 写道: > > On Fri, May 05, 2023 at 11:28:25AM +0800, Jason Wang wrote: > > > On Thu, May 4, 2023 at 10:27 AM Wenliang Wang > > > wrote: > > > > For multi-queue and large ring-size use case, the follo

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-07 Thread Jason Wang
在 2023/5/7 21:34, Michael S. Tsirkin 写道: On Fri, May 05, 2023 at 11:28:25AM +0800, Jason Wang wrote: On Thu, May 4, 2023 at 10:27 AM Wenliang Wang wrote: For multi-queue and large ring-size use case, the following error occurred when free_unused_bufs: rcu: INFO: rcu_sched self-detected stall

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-07 Thread Michael S. Tsirkin
On Fri, May 05, 2023 at 11:28:25AM +0800, Jason Wang wrote: > On Thu, May 4, 2023 at 10:27 AM Wenliang Wang > wrote: > > > > For multi-queue and large ring-size use case, the following error > > occurred when free_unused_bufs: > > rcu: INFO: rcu_sched self-detected stall on CPU. > > > > Fixes: 986

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-05 Thread Xuan Zhuo
On Fri, 5 May 2023 11:28:25 +0800, Jason Wang wrote: > On Thu, May 4, 2023 at 10:27 AM Wenliang Wang > wrote: > > > > For multi-queue and large ring-size use case, the following error > > occurred when free_unused_bufs: > > rcu: INFO: rcu_sched self-detected stall on CPU. > > > > Fixes: 986a4f4d4

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-04 Thread Jason Wang
On Thu, May 4, 2023 at 10:27 AM Wenliang Wang wrote: > > For multi-queue and large ring-size use case, the following error > occurred when free_unused_bufs: > rcu: INFO: rcu_sched self-detected stall on CPU. > > Fixes: 986a4f4d452d ("virtio_net: multiqueue support") > Signed-off-by: Wenliang Wang

Re: [PATCH v4] virtio_net: suppress cpu stall when free_unused_bufs

2023-05-04 Thread Michael S. Tsirkin
On Thu, May 04, 2023 at 10:27:06AM +0800, Wenliang Wang wrote: > For multi-queue and large ring-size use case, the following error > occurred when free_unused_bufs: > rcu: INFO: rcu_sched self-detected stall on CPU. > > Fixes: 986a4f4d452d ("virtio_net: multiqueue support") > Signed-off-by: Wenlia