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KVM: x86/mmu: Split remote_flush+zap case out of kvm_mmu_flush_or_zap()

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...and into a separate helper, kvm_mmu_remote_flush_or_zap(), that does
not require a vcpu so that the code can be (re)used by
kvm_mmu_invalidate_zap_pages_in_memslot().

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2019-02-05 13:01:20 -08:00 committed by Paolo Bonzini
parent 85875a133e
commit a21136345c
1 changed files with 16 additions and 6 deletions
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22
arch/x86/kvm/mmu.c
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@ -2240,18 +2240,28 @@ static bool __kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
return true;
}
static bool kvm_mmu_remote_flush_or_zap(struct kvm *kvm,
struct list_head *invalid_list,
bool remote_flush)
{
if (!remote_flush && !list_empty(invalid_list))
return false;
if (!list_empty(invalid_list))
kvm_mmu_commit_zap_page(kvm, invalid_list);
else
kvm_flush_remote_tlbs(kvm);
return true;
}
static void kvm_mmu_flush_or_zap(struct kvm_vcpu *vcpu,
struct list_head *invalid_list,
bool remote_flush, bool local_flush)
{
if (!list_empty(invalid_list)) {
kvm_mmu_commit_zap_page(vcpu->kvm, invalid_list);
if (kvm_mmu_remote_flush_or_zap(vcpu->kvm, invalid_list, remote_flush))
return;
}
if (remote_flush)
kvm_flush_remote_tlbs(vcpu->kvm);
else if (local_flush)
if (local_flush)
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
}