Re: [PATCH 16/16] x86/amd_smn: Add support for debugfs access to SMN registers

Mario Limonciello
2024-11-05T19:56:30Z

On 11/5/2024 13:53, Borislav Petkov wrote:
> On Tue, Nov 05, 2024 at 01:46:46PM -0600, Mario Limonciello wrote:
>> Why the worry about it being in debugfs by default?
>
> I want people to *actively* and *explicitly* do something before they can
> brick their systems.
>

OK got it. Considering that I think after this series lands we need to
re-open the conversation about PCI config space access to userspace;
particularly on regions that have been marked as exclusions.

By that grounds a taint is definitely not enough for that either.