Re: [PATCH v1 14/19] target/arm: Check alignment in helper_mte_check

[Richard Henderson]

On 2/23/23 06:28, Peter Maydell wrote:
> Also described in the text: the I_ZFGJP priority table lists
> MTE faults at priority 33, basically lower than anything else
> except an external abort.
>
> Looking at the code, is this really the only case here where
> we were mis-prioritizing tag check faults? Have we already
> checked things like "no page table entry" and all the other
> cases that can cause data aborts at this point?

Well, yes, we do the page table lookup in allocation_tag_mem(), while fetching the tag 
memory against which the check is performed.

If there's another mis-prioritization, I don't know about it.


r~