Re: Does the page boundary check still necessary?

[Richard Henderson]

On 2/15/23 15:45, Kenneth Lee wrote:
> > > Now the chained TBs have been link with tb_link_page(), the chain will
> > > be rebuilt if it is invalidate on page. So why is this check still there?
> >
> > Even for a guest which doesn't use paging, and therefore does not need to
> > worry about memory maps changing, we still enable breakpoints and
> > watchpoints on a per-page basis.
>
> Thank you. So is this the only reason? May I write a fine grained
> checking to remove this limitation?

No.


r~