I'm not going to beat around the bush here, there was speculation about what might be behind this sudden push for isolating kernel page-tables, but what really

I'm not going to beat around the bush here, there was speculation about what might be behind this sudden push for isolating kernel page-tables, but what really blew the lid was AMD outlining the specific details of the vulnerability in a pull request. Everyone here acted responsibly except AMD, who broke embargo so they could force a response from Intel at CES and sell more processors.