diff options
| author | Kai Huang <kai.huang@intel.com> | 2023-12-08 09:07:23 -0800 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-12-08 09:12:03 -0800 |
| commit | 3115cabd935ade76fbe61154d1e405158e548272 (patch) | |
| tree | 0c3499fe78c4d5a2540d4a1c8ac7b92e83b11c28 /arch/x86/Kconfig | |
| parent | d623704bb23901a25bf6d6a40aa16b43a17622eb (diff) | |
x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC
TDX capable platforms are locked to X2APIC mode and cannot fall back to
the legacy xAPIC mode when TDX is enabled by the BIOS. TDX host support
requires x2APIC. Make INTEL_TDX_HOST depend on X86_X2APIC.
Signed-off-by: Kai Huang <kai.huang@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/lkml/ba80b303-31bf-d44a-b05d-5c0f83038798@intel.com/
Link: https://lore.kernel.org/all/20231208170740.53979-3-dave.hansen%40intel.com
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3762f41bb092..eb6e63956d51 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1970,6 +1970,7 @@ config INTEL_TDX_HOST depends on CPU_SUP_INTEL depends on X86_64 depends on KVM_INTEL + depends on X86_X2APIC help Intel Trust Domain Extensions (TDX) protects guest VMs from malicious host and certain physical attacks. This option enables necessary TDX |