[PATCH] intel_txt: Add more explicit dependencies for CONFIG_INTEL_TXT

[Shane Wang <shane.wang@intel.com>]

This patch is to follow the recommended way in kconfig-language.txt to use HAVE_INTEL_TXT, so to add more explicit dependencies for CONFIG_INTEL_TXT.

Signed-off-by: Jonathan McCune <jonmccune@cmu.edu>
Signed-off-by: Shane Wang <shane.wang@intel.com>

---
 arch/x86/Kconfig |    5 +----
 security/Kconfig |    5 ++++-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff -r 2ec3d14a1901 arch/x86/Kconfig
--- a/arch/x86/Kconfig	Thu Jan 27 00:23:42 2011 +0800
+++ b/arch/x86/Kconfig	Thu Jan 27 00:44:49 2011 +0800
@@ -65,6 +65,7 @@
 	select HAVE_SPARSE_IRQ
 	select GENERIC_IRQ_PROBE
 	select GENERIC_PENDING_IRQ if SMP
+	select HAVE_INTEL_TXT
 
 config INSTRUCTION_DECODER
 	def_bool (KPROBES || PERF_EVENTS)
@@ -199,10 +200,6 @@
 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	def_bool y
 
-config HAVE_INTEL_TXT
-	def_bool y
-	depends on EXPERIMENTAL && DMAR && ACPI
-
 config USE_GENERIC_SMP_HELPERS
 	def_bool y
 	depends on SMP
diff -r 2ec3d14a1901 security/Kconfig
--- a/security/Kconfig	Thu Jan 27 00:23:42 2011 +0800
+++ b/security/Kconfig	Thu Jan 27 00:44:49 2011 +0800
@@ -103,9 +103,12 @@
 	  implement pathname based access controls.
 	  If you are unsure how to answer this question, answer N.
 
+config HAVE_INTEL_TXT
+	bool
+
 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