Re: [PATCH v6 1/7] mseal, system mappings: kernel config and header change

Liam R. Howlett
2025-02-24T20:14:28Z

* Jeff Xu <jeffxu@chromium.org> [250224 14:40]:
> On Mon, Feb 24, 2025 at 11:18 AM Liam R. Howlett
> <Liam.Howlett@oracle.com> wrote:
> >
> > Also, do we need something like the above test for VM_SEALED_SYS?
> >
> Do you mean adding selftest for sealing vdso ? or test the
> VM_SEALED_SYS macro in 32 bit vs 64 bits ?
>
> CONFIG_MSEAL_SYSTEM_MAPPINGS is by default disabled. I'm not sure
> about the common practice here.
>
> I also don't know how to detect CONFIG_MSEAL_SYSTEM_MAPPINGS from
> selftest, that is needed for the selftest.

Looking more into this, I think it's fine without anything in there
changing.

Thanks,
Liam