Re: [Intel-wired-lan] [next-queue PATCH v1] igb: Fix limiting the number of queues to number of cpus

2019-04-18 Thread Vinicius Costa Gomes
Hi Alex, Alexander Duyck writes: > On Thu, Apr 18, 2019 at 1:57 PM Vinicius Costa Gomes > wrote: >> >> Hi Jeff, >> >> Jeff Kirsher writes: >> >> > I will discuss the issue with my fellow developers and hopefully we can >> > come up with a kernel interface that all drivers can use to handle thi

Re: [Intel-wired-lan] [next-queue PATCH v1] igb: Fix limiting the number of queues to number of cpus

2019-04-18 Thread Alexander Duyck
On Thu, Apr 18, 2019 at 1:57 PM Vinicius Costa Gomes wrote: > > Hi Jeff, > > Jeff Kirsher writes: > > > I will discuss the issue with my fellow developers and hopefully we can > > come up with a kernel interface that all drivers can use to handle this > > issue. > > Did you have the chance to dis

Re: [next-queue PATCH v1] igb: Fix limiting the number of queues to number of cpus

2019-04-18 Thread Vinicius Costa Gomes
Hi Jeff, Jeff Kirsher writes: > I will discuss the issue with my fellow developers and hopefully we can > come up with a kernel interface that all drivers can use to handle this > issue. Did you have the chance to discuss this issue? Cheers, -- Vinicius

Re: [next-queue PATCH v1] igb: Fix limiting the number of queues to number of cpus

2019-04-04 Thread Vinicius Costa Gomes
Hi Jeff, Jeff Kirsher writes: > A module parameter maybe fine for our out-of-tree driver, but not for the > kernel driver. > > NACK on the basis that a new module parameter is being introduced for the > driver. This is not acceptable by Dave Miller or myself. As of now, I do > not have a alter

Re: [next-queue PATCH v1] igb: Fix limiting the number of queues to number of cpus

2019-04-04 Thread Jeff Kirsher
On Thu, 2019-04-04 at 14:56 -0700, Vinicius Costa Gomes wrote: > We have seen some reports[1] of users complaining that they aren't > able to use some queues when their machines have less than 4 cpus. > This affects some TSN workloads, as different traffic classes are > assigned different queues. T

[next-queue PATCH v1] igb: Fix limiting the number of queues to number of cpus

2019-04-04 Thread Vinicius Costa Gomes
We have seen some reports[1] of users complaining that they aren't able to use some queues when their machines have less than 4 cpus. This affects some TSN workloads, as different traffic classes are assigned different queues. The current behavior limits the number of traffic classes that can be re