KVM: MIPS: defer flush to generic MMU notifier code

Return 1 from kvm_unmap_hva_range and kvm_set_spte_hva if a flush is
needed, so that the generic code can coalesce the flushes.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 2cedf908d744661d624d94ea6f3c96ec74785362..a3a49b009dc4d697e63dcb3faaf4b84d7ca60dbd 100644 (file)
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -489,9 +489,7 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
 int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
                        unsigned flags)
 {
-       handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
-       kvm_flush_remote_tlbs(kvm);
-       return 0;
+       return handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
 }
 
 static int kvm_set_spte_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
@@ -528,12 +526,7 @@ static int kvm_set_spte_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
 int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
 {
        unsigned long end = hva + PAGE_SIZE;
-       int ret;
-
-       ret = handle_hva_to_gpa(kvm, hva, end, &kvm_set_spte_handler, &pte);
-       if (ret)
-               kvm_flush_remote_tlbs(kvm);
-       return 0;
+       return handle_hva_to_gpa(kvm, hva, end, &kvm_set_spte_handler, &pte);
 }
 
 static int kvm_age_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,