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authorXiaoyan Zhang <xiaoyan.zhang@intel.com>2012-09-07 19:29:04 +0100
committerMatt Fleming <matt.fleming@intel.com>2012-10-30 10:39:20 +0000
commitda5a108d05b4f350be33e62d2db125673823e7ff (patch)
treeadae6b32a6c59f4a9d553b1fb6dff720b07a145c /init
parent185034e72d591f9465e5e18f937ed642e7ea0070 (diff)
x86/kernel: remove tboot 1:1 page table creation code
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 kernel didn't zap the identity mapping page table, so tboot related code can remove the remapping code before trapping back now. Signed-off-by: Xiaoyan Zhang <xiaoyan.zhang@intel.com> Acked-by: Gang Wei <gang.wei@intel.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions