[PATCH 5.15.y v4 04/11] KVM: X86: Remove useless code to set role.gpte_is_8_bytes when role.direct
From: Kenta Akagi
Date: Mon Sep 28 2026 - 12:56:10 EST
From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
commit 41e35604eaff2266ba8523787ebe99c5ca4c4045 upstream.
role.gpte_is_8_bytes is unused when role.direct; there is no
point in changing a bit in the role, the value that was set
when the MMU is initialized is just fine.
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
Message-Id: <20211118110814.2568-14-jiangshanlai@xxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Kenta Akagi <k@xxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 9f193b1620a9..f6ad81b5e637 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -2093,8 +2093,6 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
role = vcpu->arch.mmu->mmu_role.base;
role.level = level;
role.direct = direct;
- if (role.direct)
- role.gpte_is_8_bytes = true;
role.access = access;
if (!direct_mmu && vcpu->arch.mmu->root_level <= PT32_ROOT_LEVEL) {
quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));
--
2.53.0