On Wednesday, February 5, 2025 11:51 AM, Edgecombe, Rick P wrote: > > +Min, can you comment? > > 3a3b12cbda ("UefiCpuPkg/MtrrLib: MtrrLibIsMtrrSupported always return FALSE > in > TD-Guest") turned out to be problematic in practice. > As the commit(3a3b12cbda) message mentioned that "For Linux kernel, there is a mechanism called SW defined MTRR introduced by the patch https://lore.kernel.org/all/20230502120931.20719-4-jgross@xxxxxxxx/".