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

[Gary Guo]

On Thu Aug 13, 2026 at 8:37 PM BST, John Hubbard wrote:
> On 8/12/26 10:50 PM, Vladislav Zaharov wrote:
>> On Thu Aug 13, 2026, Danilo Krummrich wrote:
>>> I'd *much* rather use a kernel parameter: keep_gsp_logs, instead of
>>> requiring a rebuild of the kernel.
>> 
>> Agreed, and it makes the patch smaller: with a module parameter the cfg gating
>> disappears and the code is simply always built. I used a Kconfig because of the
>> "the only Kconfig needed is for retaining the GSP log buffers after driver
>> unbind" remark in the earlier thread, which I took literally instead of asking.
>> 
>> That one needs a decision, though. The Rust module parameter abstraction has no
>> bool: rust/kernel/module_param.rs only instantiates param ops for i8..u64,
>
> Yes, this seems perfectly acceptable, given that we don't have bool support yet:
>
>    keep_gsp_logs=[0|1]
>
>
> thanks,

We have bool support.

https://rust.docs.kernel.org/next/kernel/module_param/trait.ModuleParam.html#impl-ModuleParam-for-bool

Best,
Gary