Messages in this thread Patch in this message | | | From | guangrong.xiao@gmail ... | Subject | [PATCH v2 7/7] KVM: MMU: stop using mmu_spte_get_lockless under mmu-lock | Date | Tue, 20 Jun 2017 17:15:26 +0800 |
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From: Xiao Guangrong <xiaoguangrong@tencent.com>
mmu_spte_age() is under the protection of mmu-lock, no reason to use mmu_spte_get_lockless()
Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com> --- arch/x86/kvm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 7711953..dc00c32 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -852,7 +852,7 @@ static u64 restore_acc_track_spte(u64 spte) /* Returns the Accessed status of the PTE and resets it at the same time. */ static bool mmu_spte_age(u64 *sptep) { - u64 spte = mmu_spte_get_lockless(sptep); + u64 spte = *sptep; if (!is_accessed_spte(spte)) return false; -- 2.9.4
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