2021-04-14 18:14:42

by Andi Kleen

Subject: Re: [External] : Re: [PATCH v14 4/6] locking/qspinlock: Introduce starvation avoidance into CNA

> The CNA code, if enabled, will be in vmlinux, not in a kernel module. As a
> result, I think a module parameter will be no different from a kernel
> command line parameter in this regard.

You can still change it in /sys at runtime, even if it's in the vmlinux.

-Andi

2021-04-15 00:37:33

by Waiman Long

Subject: Re: [External] : Re: [PATCH v14 4/6] locking/qspinlock: Introduce starvation avoidance into CNA

On 4/14/21 1:26 PM, Andi Kleen wrote:
>> The CNA code, if enabled, will be in vmlinux, not in a kernel module. As a
>> result, I think a module parameter will be no different from a kernel
>> command line parameter in this regard.
> You can still change it in /sys at runtime, even if it's in the vmlinux.

I see, thank for the clarification.

Cheers,
Longman