On Fri, 21 Jan 2011 13:39:19 -0500 Jonathan McCune wrote: > This patch makes the documentation slightly more explicit about how to > enable Intel TXT support in the kernel, and adds two dependencies to > the relevant option in Kconfig. Without this patch it is difficult to > determine how to enable Intel TXT support without some knowledge of > Kconfig. > > Signed-off-by: Jonathan McCune <jonmcc...@cmu.edu> > > --- > Documentation/intel_txt.txt | 4 +++- > security/Kconfig | 2 +- > 2 files changed, 4 insertions(+), 2 deletions(-) > > diff --git a/Documentation/intel_txt.txt b/Documentation/intel_txt.txt > index 849de1a..8487f76 100644 > --- a/Documentation/intel_txt.txt > +++ b/Documentation/intel_txt.txt > @@ -196,7 +196,9 @@ Execution Technology (TXT)". It is marked as > EXPERIMENTAL and > depends on the generic x86 support (to allow maximum flexibility in > kernel build options), since the tboot code will detect whether the > platform actually supports Intel TXT and thus whether any of the > -kernel code is executed. > +kernel code is executed. The kernel option for enabling Intel TXT > +support will only appear if its dependencies are also enabled. > +These are CONFIG_DMAR and CONFIG_PCI_MSI.
Shouldn't that comment match the "depends on" line below?? > The Q35_SINIT_17.BIN file is what Intel TXT refers to as an > Authenticated Code Module. It is specific to the chipset in the > diff --git a/security/Kconfig b/security/Kconfig > index 95accd4..5fd4e35 100644 > --- a/security/Kconfig > +++ b/security/Kconfig > @@ -136,7 +136,7 @@ config SECURITY_PATH > > config INTEL_TXT > bool "Enable Intel(R) Trusted Execution Technology (Intel(R) TXT)" > - depends on HAVE_INTEL_TXT > + depends on HAVE_INTEL_TXT && EXPERIMENTAL && DMAR && ACPI > help > This option enables support for booting the kernel with the > Trusted Boot (tboot) module. This will utilize > -- --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** ------------------------------------------------------------------------------ Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d _______________________________________________ tboot-devel mailing list tboot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tboot-devel
