linux-kernel - [PATCH 4.14 036/237] Revert "KVM: nVMX: Use correct root level for nested EPT shadow page tables"

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Message-Id: <20200227132259.367739216@linuxfoundation.org>
Date:   Thu, 27 Feb 2020 14:34:10 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 036/237] Revert "KVM: nVMX: Use correct root level for nested EPT shadow page tables"

This reverts commit 740d876bd9565857a695ce7c05efda4eba5bc585.

Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/x86/kvm/vmx/vmx.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 997926a9121c0..3791ce8d269e0 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2968,9 +2968,6 @@ void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 
 static int get_ept_level(struct kvm_vcpu *vcpu)
 {
-	/* Nested EPT currently only supports 4-level walks. */
-	if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
-		return 4;
 	if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48))
 		return 5;
 	return 4;
-- 
2.20.1