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Date: Thu, 5 May 2022 11:13:59 -0700
From: isaku.yamahata@...el.com
To: kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: isaku.yamahata@...el.com, isaku.yamahata@...il.com,
Paolo Bonzini <pbonzini@...hat.com>, erdemaktas@...gle.com,
Sean Christopherson <seanjc@...gle.com>,
Sagi Shahar <sagis@...gle.com>
Subject: [RFC PATCH v6 005/104] x86/virt/vmx/tdx: export platform_has_tdx
From: Isaku Yamahata <isaku.yamahata@...el.com>
TDX KVM uses platform_has_tdx() 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@...el.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 8c49ca40b6ad..b6c82e64ad54 100644
--- a/arch/x86/virt/vmx/tdx/tdx.c
+++ b/arch/x86/virt/vmx/tdx/tdx.c
@@ -1715,3 +1715,4 @@ bool platform_has_tdx(void)
{
return seamrr_enabled() && tdx_keyid_sufficient();
}
+EXPORT_SYMBOL_GPL(platform_has_tdx);
--
2.25.1
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