[PATCH v7 005/102] x86/virt/vmx/tdx: export platform_tdx_enabled()

isaku.yamahata
2022-06-27T21:55:07Z

From: Isaku Yamahata <isaku.yamahata@intel.com>

TDX KVM uses platform_tdx_enabled() via vmx_hardware_setup() to check if the
platform supports TDX, concretely CPU SEAM mode, irrespective of TDX module
is loaded or initialized.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
---
arch/x86/virt/vmx/tdx/tdx.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/virt/vmx/tdx/tdx.c b/arch/x86/virt/vmx/tdx/tdx.c
index 1363998ce1a9..f9a6f8bdade8 100644
--- a/arch/x86/virt/vmx/tdx/tdx.c
+++ b/arch/x86/virt/vmx/tdx/tdx.c
@@ -1285,6 +1285,7 @@ bool platform_tdx_enabled(void)
{
return tdx_keyid_num >= 2;
}
+EXPORT_SYMBOL_GPL(platform_tdx_enabled);

/**
* tdx_init - Initialize the TDX module
--
2.25.1