Re: [PATCH bpf-next v5 01/11] bpf: Factor check_global_ret_scalar_reg() out of the global return check

On Thu, 2026-08-13 at 13:02 -0700, Yonghong Song wrote:
> check_global_subprog_return_code() verifies that a global subprogram
> returns void, an arena pointer, or register R0 holding a scalar value.
> Later patches in this series add 16-byte aggregate return support, whose
> second half is returned in R2 and needs the same validation.
> 
> Factor the per-register check into check_global_ret_scalar_reg(env, regno)
> so that it can be reused for R2. No functional change.
> 
> Signed-off-by: Yonghong Song <[email protected]>
> ---

Acked-by: Eduard Zingerman <[email protected]>

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