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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 12:20:59 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 12:20:59 -0400
commitf39d01be4c59a61a08d0cb53f615e7016b85d339 (patch)
tree6777590e3ff2ddf4df1d38444ba7d692cd463b7b /Documentation/intel_txt.txt
parent54291263519ac2c9bdda68b23b02fef3808deed4 (diff)
parent7db82437cfcac4bdfe79a6323eb554fdfa271623 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits) vlynq: make whole Kconfig-menu dependant on architecture add descriptive comment for TIF_MEMDIE task flag declaration. EEPROM: max6875: Header file cleanup EEPROM: 93cx6: Header file cleanup EEPROM: Header file cleanup agp: use NULL instead of 0 when pointer is needed rtc-v3020: make bitfield unsigned PCI: make bitfield unsigned jbd2: use NULL instead of 0 when pointer is needed cciss: fix shadows sparse warning doc: inode uses a mutex instead of a semaphore. uml: i386: Avoid redefinition of NR_syscalls fix "seperate" typos in comments cocbalt_lcdfb: correct sections doc: Change urls for sparse Powerpc: wii: Fix typo in comment i2o: cleanup some exit paths Documentation/: it's -> its where appropriate UML: Fix compiler warning due to missing task_struct declaration UML: add kernel.h include to signal.c ...
Diffstat (limited to 'Documentation/intel_txt.txt')
-rw-r--r--Documentation/intel_txt.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/intel_txt.txt b/Documentation/intel_txt.txt
index 87c8990dbbd9..5dc59b04a71f 100644
--- a/Documentation/intel_txt.txt
+++ b/Documentation/intel_txt.txt
@@ -126,7 +126,7 @@ o Tboot then applies an (optional) user-defined launch policy to
126o Tboot adjusts the e820 table provided by the bootloader to reserve 126o Tboot adjusts the e820 table provided by the bootloader to reserve
127 its own location in memory as well as to reserve certain other 127 its own location in memory as well as to reserve certain other
128 TXT-related regions. 128 TXT-related regions.
129o As part of it's launch, tboot DMA protects all of RAM (using the 129o As part of its launch, tboot DMA protects all of RAM (using the
130 VT-d PMRs). Thus, the kernel must be booted with 'intel_iommu=on' 130 VT-d PMRs). Thus, the kernel must be booted with 'intel_iommu=on'
131 in order to remove this blanket protection and use VT-d's 131 in order to remove this blanket protection and use VT-d's
132 page-level protection. 132 page-level protection.