From df3190e22016abf74ef67c9691e9fa1012a66bd5 Mon Sep 17 00:00:00 2001 From: Steven Price Date: Mon, 13 Aug 2018 17:04:53 +0100 Subject: [PATCH] arm64: KVM: Remove pgd_lock The lock has never been used and the page tables are protected by mmu_lock in struct kvm. Reviewed-by: Suzuki K Poulose Signed-off-by: Steven Price Signed-off-by: Marc Zyngier Signed-off-by: Christoffer Dall --- arch/arm64/include/asm/kvm_host.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 8e6d46df38aa..3d6d7336f871 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -61,8 +61,7 @@ struct kvm_arch { u64 vmid_gen; u32 vmid; - /* 1-level 2nd stage table and lock */ - spinlock_t pgd_lock; + /* 1-level 2nd stage table, protected by kvm->mmu_lock */ pgd_t *pgd; /* VTTBR value associated with above pgd and vmid */