[PATCH] ARC: check user addresses in unaligned access emulation

[Jérémy Jean]

Hello,

On 2026-08-25 05:00, Vineet Gupta wrote:
> How do you know this for sure. Did you run into this issue yourself and 
> were able to prove this ordering.
> And even if you found some documentation can you confirm this to be 
> happening on real ARC700 hardware.
> I've been maintaining ARC forever and even do I don't have access to 
> working ARC700 silicon.

I cannot say I know this for sure, and I neither have access to real 
hardware to check further.

> I can sympathize with your need to send a fix and it might actually be 
> correct.
> But I can't take a fix that theoretically fixes something w/o 
> demonstrating what real life case it caters so.

I have no need to send anything: I'm simply raising this potential 
problem to you, with a possible fix as help.
In my understanding, these lists are audited by experts like you to 
consider public reports that may have concrete impact.
I'm totally fine if this does not fit.

Thanks for your time.

Regards,
Jérémy