Usually the user-space overhead is real tiny, I can't imagine it would be needed...

iso8859-1 on March 31, 2013 | parent | context | favorite | on: Liberation fonts causing Windows 7 SP1 to BSOD

Usually the user-space overhead is real tiny, I can't imagine it would be needed to place it in the kernel. Linux has the high-level graphics stack in user-space and it works just fine.