Re: [PATCH 1/2] gpu: nova-core: gsp: retain the GSP-RM log buffers after unbind

[John Hubbard <jhubbard@nvidia.com>]

On 8/12/26 4:15 PM, Danilo Krummrich wrote:
> On Thu Aug 13, 2026 at 12:41 AM CEST, John Hubbard wrote:
>> I'd *much* rather use a kernel parameter: keep_gsp_logs, instead of
>> requiring a rebuild of the kernel. As you mention above, nouveau
>> arrived at the same conclusion, and yet even after mentioning it,
>> you went off in this other direction, but without explaining why.
> 
> Not sure if Vladislav read that, but it might be on us; we were both talking
> about a Kconfig in [1] back then, but meant a module param actually. :)

Yes, it's less clear from those threads, that's true. :)

> 
>> If someone is debugging, all they need to do is reboot with that
>> parameter, in order to get the logs. That's a big improvement over
>> requiring a kernel rebuild.
> 
> I think for development it doesn't make a huge difference, but a module param
> might be easier to deal with if something unexpected happens in some less
> controlled environment.
> 
> So, while I'm usually not a huge fan of module params, I do agree in this case.
> 
> [1] https://lore.kernel.org/all/067c6016-ce21-449e-b0d6-86252ac483a0@nvidia.com/

thanks,
-- 
John Hubbard