Re: [PATCH RFC 4/4] gpu: nova-core: gsp: convert GspMem to zerocopy via the transmute bridge

On Mon Jun 29, 2026 at 3:21 AM JST, SeungJong Ha wrote:
> This is pre-existing and not changed by this patch: it only makes
> explicit (via a checked `zerocopy` derive) what the previous `unsafe
> impl transmute::{FromBytes, AsBytes}` already allowed implicitly -- the
> layout is byte-identical and the message-handling path is untouched -- so
> it neither introduces nor addresses this. I'm not familiar enough with
> the GSP threat model to judge whether the TOCTOU is in scope here; if it
> is worth noting, I can add a TODO comment near the affected reads.

So I understand that this as a copy-pasted Claude/Sashiko block, but
would also appreciate if the human behind the keyboard could provide the
context required to easily understand which part of the code this is
about.