Commit 024c3c33 authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Paolo Bonzini
Browse files

KVM: X86/MMU: Remove useless mmu_topup_memory_caches() in kvm_mmu_pte_write() 



Since the commit c5e2184d("KVM: x86/mmu: Remove the defunct
update_pte() paging hook"), kvm_mmu_pte_write() no longer uses the rmap
cache.

So remove mmu_topup_memory_caches() in it.

Cc: Sean Christopherson <seanjc@google.com>
Signed-off-by: default avatarLai Jiangshan <jiangshan.ljs@antgroup.com>
Message-Id: <20220605063417.308311-6-jiangshanlai@gmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent f24b44e4

arch/x86/kvm/mmu/mmu.c

+0 −7
Original line number Diff line number Diff line
@@ -5326,13 +5326,6 @@ static void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, 


	pgprintk("%s: gpa %llx bytes %d\n", __func__, gpa, bytes);



	/*

	 * No need to care whether allocation memory is successful

	 * or not since pte prefetch is skipped if it does not have

	 * enough objects in the cache.

	 */

	mmu_topup_memory_caches(vcpu, true);



	write_lock(&vcpu->kvm->mmu_lock);



	gentry = mmu_pte_write_fetch_gpte(vcpu, &gpa, &bytes);