[PATCH 3/3] x86/kernel: remove tboot 1:1 page table creation code

2012-10-05 Thread Matt Fleming
From: Xiaoyan Zhang For TXT boot, while Linux kernel trys to shutdown/S3/S4/reboot, it need to jump back to tboot code and do TXT teardown work. Previously kernel zapped all mem page identity mapping (va=pa) after booting, so tboot code mem address was mapped again with identity mapping. Now kern

[PATCH 3/3] x86/kernel: remove tboot 1:1 page table creation code

2012-10-03 Thread Matt Fleming
From: Xiaoyan Zhang For TXT boot, while Linux kernel trys to shutdown/S3/S4/reboot, it need to jump back to tboot code and do TXT teardown work. Previously kernel zapped all mem page identity mapping (va=pa) after booting, so tboot code mem address was mapped again with identity mapping. Now kern