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Commit 6ca18b69 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Gleb Natapov
Browse files

KVM: x86: use the fast way to invalidate all pages 



Replace kvm_mmu_zap_all by kvm_mmu_invalidate_zap_all_pages

Signed-off-by: default avatarXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
parent 5304b8d3

arch/x86/kvm/mmu.c

+0 −15
Original line number Diff line number Diff line
@@ -4194,21 +4194,6 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot) 
	spin_unlock(&kvm->mmu_lock);

}



void kvm_mmu_zap_all(struct kvm *kvm)

{

	struct kvm_mmu_page *sp, *node;

	LIST_HEAD(invalid_list);



	spin_lock(&kvm->mmu_lock);

restart:

	list_for_each_entry_safe(sp, node, &kvm->arch.active_mmu_pages, link)

		if (kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list))

			goto restart;



	kvm_mmu_commit_zap_page(kvm, &invalid_list);

	spin_unlock(&kvm->mmu_lock);

}



static void kvm_zap_obsolete_pages(struct kvm *kvm)

{

	struct kvm_mmu_page *sp, *node;

arch/x86/kvm/x86.c

+2 −2
Original line number Diff line number Diff line
@@ -7066,13 +7066,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, 


void kvm_arch_flush_shadow_all(struct kvm *kvm)

{

	kvm_mmu_zap_all(kvm);

	kvm_mmu_invalidate_zap_all_pages(kvm);

}



void kvm_arch_flush_shadow_memslot(struct kvm *kvm,

				   struct kvm_memory_slot *slot)

{

	kvm_arch_flush_shadow_all(kvm);

	kvm_mmu_invalidate_zap_all_pages(kvm);

}



int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)