On April 13, 2022 5:22 AM, James Bottom wrote:
>
> I'm using a SEC phase which has a TPM driver to experiment with sorting out
> measured boot, which is how I noticed (usually SEC doesn't do MMIO) .
> What I'm seeing is after commit b6b2de884864 ("MdePkg: Support mmio for
> Tdx guest in BaseIoLibI
I'm using a SEC phase which has a TPM driver to experiment with sorting
out measured boot, which is how I noticed (usually SEC doesn't do MMIO)
. What I'm seeing is after commit b6b2de884864 ("MdePkg: Support mmio
for Tdx guest in BaseIoLibIntrinsic") we get a massive slowdown of
about 100x in TPM
