objtool: Enable stack metadata validation on 64-bit x86

[cascardo/linux.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9af2e63..adc5a6d 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -155,6 +155,7 @@ config X86
        select VIRT_TO_BUS
        select X86_DEV_DMA_OPS                  if X86_64
        select X86_FEATURE_NAMES                if PROC_FS
+       select HAVE_STACK_VALIDATION            if X86_64
 
 config INSTRUCTION_DECODER
        def_bool y
@@ -475,6 +476,7 @@ config X86_UV
        depends on X86_64
        depends on X86_EXTENDED_PLATFORM
        depends on NUMA
+       depends on EFI
        depends on X86_X2APIC
        depends on PCI
        ---help---
@@ -777,8 +779,8 @@ config HPET_TIMER
          HPET is the next generation timer replacing legacy 8254s.
          The HPET provides a stable time base on SMP
          systems, unlike the TSC, but it is more expensive to access,
-         as it is off-chip.  You can find the HPET spec at
-         <http://www.intel.com/hardwaredesign/hpetspec_1.pdf>.
+         as it is off-chip.  The interface used is documented
+         in the HPET spec, revision 1.
 
          You can safely choose Y here.  However, HPET will only be
          activated if the platform and the BIOS support this feature.