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

[Andreas Hindborg]

Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:

> 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?

Setting an upper bound on the number of submit and poll queues.

Best regards,
Andreas Hindborg