Re: [PATCH v2 1/3] firmware: arm_ffa: Split the response out of ffa_msg_send_direct_req2()

On 2026/9/22 1:49, Jamie Nguyen wrote:

quoted

The kernel document was updated for this, please update the
rest of two patches as well.

I'll update all three patches to use:

     Assisted-by: LLM

quoted

As you noted in the cover letter, the AML thread will stall here if no
response, block the ACPI interpreter and the ACPI global lock when
the field is Lock-flagged, so do we have some warnings if that happened?

There's no warning today. Would a rate-limited warning after a prolonged
wait be useful here? I'm hesitant because that would also affect non-ACPI
callers of this helper, and I don't believe FF-A defines a threshold after
which the wait is abnormal.

Let's keep the code as it is.

quoted

resp_regs[1] is confusing, comment here it links to X1 register
is better.

I'll clarify that resp_regs[1] is X2; resp_regs[0] is X1.

Sorry, but it was confusing me :)

Thanks
Hanjun