[PATCH v2] riscv: smp: set CPU 0 possible in setup_smp()

[Paul Walmsley]

On Wed, 15 Jul 2026, Vivian Wang wrote:

> Given that neither visual analysis (see above) nor runtime testing (we
> have SG2042 machines in ISCAS running 7.0.x and 7.1.x without running
> into this) can confirm that this bug exists, I'm concluding that, unless
> further convincing evidence otherwise comes up, this is a bug you
> introduced in your tree and does not fixing for mainline.

Thanks for taking a closer look, Vivian; I'll drop this patch for now 
until either Paul or someone else can reproduce this on mainline.


- Paul