Re: [PATCH v3 00/16] TDX: Enable Dynamic PAMT

Dave Hansen
2025-09-26T19:03:34Z

On 9/26/25 12:00, Edgecombe, Rick P wrote:
> So the problem is not fundamental to the approach I think. We just took
> a shortcut by ignoring the shared locks. For line-of-sight to a path to
> remove the global lock someday, I think we could make the 2MB granular
> locks be reader/writer to match the TDX module. Then around the
> SEAMCALLs that take these locks, we could take them on the kernel side
> in the right order for whichever SEAMCALL we are making.

Yeah, but what if the TDX module changes its locking scheme in 5 years
or 10? What happens to 6.17.9999-stable?