Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-02-06 Thread Martin Habets
On Wed, Jan 20, 2021 at 01:27:59PM -0800, Ivan Babrou wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter settings: > > Insufficient resources for 12 XDP event queue

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-22 Thread patchwork-bot+netdevbpf
Hello: This patch was applied to netdev/net-next.git (refs/heads/master): On Wed, 20 Jan 2021 13:27:59 -0800 you wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-21 Thread Maciej Fijalkowski
On Thu, Jan 21, 2021 at 06:11:30PM +0100, Jesper Dangaard Brouer wrote: > On Wed, 20 Jan 2021 13:27:59 -0800 > Ivan Babrou wrote: > > > Without this change the driver tries to allocate too many queues, > > breaching the number of available msi-x interrupts on machines > > with many logical cpus a

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-21 Thread Jesper Dangaard Brouer
On Wed, 20 Jan 2021 13:27:59 -0800 Ivan Babrou wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter settings: > > Insufficient resources for 12 XDP event queues (24

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-21 Thread Edward Cree
On 20/01/2021 21:27, Ivan Babrou wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter settings: > > Insufficient resources for 12 XDP event queues (24 other channels,

[PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-20 Thread Ivan Babrou
Without this change the driver tries to allocate too many queues, breaching the number of available msi-x interrupts on machines with many logical cpus and default adapter settings: Insufficient resources for 12 XDP event queues (24 other channels, max 32) Which in turn triggers EINVAL on XDP pro

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-19 Thread Jakub Kicinski
On Tue, 19 Jan 2021 15:43:43 -0800 Ivan Babrou wrote: > On Thu, Dec 17, 2020 at 10:14 AM Jakub Kicinski wrote: > > On Mon, 14 Dec 2020 17:29:06 -0800 Ivan Babrou wrote: > > > Without this change the driver tries to allocate too many queues, > > > breaching the number of available msi-x interrupt

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2021-01-19 Thread Ivan Babrou
On Thu, Dec 17, 2020 at 10:14 AM Jakub Kicinski wrote: > > On Mon, 14 Dec 2020 17:29:06 -0800 Ivan Babrou wrote: > > Without this change the driver tries to allocate too many queues, > > breaching the number of available msi-x interrupts on machines > > with many logical cpus and default adapter s

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-17 Thread Jakub Kicinski
On Mon, 14 Dec 2020 17:29:06 -0800 Ivan Babrou wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter settings: > > Insufficient resources for 12 XDP event queues (24 o

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-16 Thread Edward Cree
On 16/12/2020 08:45, Jesper Dangaard Brouer wrote: > So, what I hear is that this fix is just pampering over the real issue. Yes, it is, but it's better than nothing in the meantime while we work out the complete fix. > I suggest that you/we detect the situation, and have a code path that > will

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-16 Thread Jesper Dangaard Brouer
On Tue, 15 Dec 2020 18:49:55 + Edward Cree wrote: > On 15/12/2020 09:43, Jesper Dangaard Brouer wrote: > > On Mon, 14 Dec 2020 17:29:06 -0800 > > Ivan Babrou wrote: > > > >> Without this change the driver tries to allocate too many queues, > >> breaching the number of available msi-x inte

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-16 Thread Martin Habets
On Mon, Dec 14, 2020 at 05:29:06PM -0800, Ivan Babrou wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter settings: > > Insufficient resources for 12 XDP event queue

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-15 Thread Edward Cree
On 15/12/2020 09:43, Jesper Dangaard Brouer wrote: > On Mon, 14 Dec 2020 17:29:06 -0800 > Ivan Babrou wrote: > >> Without this change the driver tries to allocate too many queues, >> breaching the number of available msi-x interrupts on machines >> with many logical cpus and default adapter setti

Re: [PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-15 Thread Jesper Dangaard Brouer
On Mon, 14 Dec 2020 17:29:06 -0800 Ivan Babrou wrote: > Without this change the driver tries to allocate too many queues, > breaching the number of available msi-x interrupts on machines > with many logical cpus and default adapter settings: > > Insufficient resources for 12 XDP event queues (24

[PATCH net-next] sfc: reduce the number of requested xdp ev queues

2020-12-14 Thread Ivan Babrou
Without this change the driver tries to allocate too many queues, breaching the number of available msi-x interrupts on machines with many logical cpus and default adapter settings: Insufficient resources for 12 XDP event queues (24 other channels, max 32) Which in turn triggers EINVAL on XDP pro