[RFC PATCH 1/5] KVM: arm64: Remove pgd_lock

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The lock has never been used and the page tables are protected by
mmu_lock in struct kvm.

Signed-off-by: Steven Price <steven.price@xxxxxxx>
CC: Marc Zyngier <marc.zyngier@xxxxxxx>
CC: Christoffer Dall <christoffer.dall@xxxxxxx>

 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 fe8777b12f86..8150a7f8a50f 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 */
-- 
2.18.0

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