Re: [PATCH v3 1/3] rust: add a wrapper for the `num_possible_cpus` C function

[Peter Zijlstra]

On Tue, Sep 29, 2026 at 07:56:48PM +0200, Andreas Hindborg wrote:
> This function returns the maximum number of CPUs that can be online.
> 
> The wrapper is needed by the Rust null block driver.

What does it need it for?