[PATCH 2/2] KVM: x86/mmu: Pass parameter flush as false in kvm_tdp_mmu_zap_collapsible_sptes()

Hou Wenlong
2021-11-17T09:21:04Z

Since tlb flush has been done for legacy MMU before
kvm_tdp_mmu_zap_collapsible_sptes(), so the parameter flush
should be false for kvm_tdp_mmu_zap_collapsible_sptes().

Fixes: e2209710ccc5d ("KVM: x86/mmu: Skip rmap operations if rmaps not allocated")
Signed-off-by: Hou Wenlong <houwenlong93@linux.alibaba.com>
---
arch/x86/kvm/mmu/mmu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index d57319e596a9..4b2be04e9862 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5853,7 +5853,7 @@ static bool kvm_mmu_zap_collapsible_spte(struct kvm *kvm,
void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,
const struct kvm_memory_slot *slot)
{
- bool flush = false;
+ bool flush;

if (kvm_memslots_have_rmaps(kvm)) {
write_lock(&kvm->mmu_lock);
@@ -5870,7 +5870,7 @@ void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,

if (is_tdp_mmu_enabled(kvm)) {
read_lock(&kvm->mmu_lock);
- flush = kvm_tdp_mmu_zap_collapsible_sptes(kvm, slot, flush);
+ flush = kvm_tdp_mmu_zap_collapsible_sptes(kvm, slot, false);
if (flush)
kvm_arch_flush_remote_tlbs_memslot(kvm, slot);
read_unlock(&kvm->mmu_lock);
--
2.31.1