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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 <suzuki.poulose@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
hifive-unleashed-5.1
Steven Price 2018-08-13 17:04:53 +01:00 committed by Christoffer Dall
parent a35381e10d
commit df3190e220
1 changed files with 1 additions and 2 deletions
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3
arch/arm64/include/asm/kvm_host.h
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@ -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 */