Re: [PATCH mm-unstable 0/2] mseal system mappings fix + s390 enablement

[Heiko Carstens]

On Tue, Mar 11, 2025 at 02:09:30PM +0000, Lorenzo Stoakes wrote:
> > When it comes to unmapping vdso: this would break user space since
> > commit df29a7440c4b ("s390/signal: switch to using vdso for sigreturn
> > and syscall restart") - there haven't been any reports.
> 
> OK that seems to implicitly suggest that you're fine with sealing then?
> 
> I had a quick glance and it seemed fine for s390. I mean it's _weird_ to remap
> any of this stuff so it'd be the odd one out that does it (ppc _seems_ to in
> _some_ circumstances need it, for instance).
> 
> So I think we're good? :)

Yes, for s390 we are good.