diff options
| author |   Lan Tianyu <Tianyu.Lan@microsoft.com> | 2018-12-06 21:21:10 +0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2018-12-21 11:28:41 +0100 |
| commit | 748c0e312fce983bd7854b369b192e24dce90878 (patch) | |
| tree | fa6c52e90d0ee3db59f013bd1305970595bcc86a /virt/kvm | |
| parent | KVM: Replace old tlb flush function with new one to flush a specified range. (diff) | |
| download | linux-dev-748c0e312fce983bd7854b369b192e24dce90878.tar.xz linux-dev-748c0e312fce983bd7854b369b192e24dce90878.zip | |
KVM: Make kvm_set_spte_hva() return int
The patch is to make kvm_set_spte_hva() return int and caller can
check return value to determine flush tlb or not.
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Acked-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt/kvm')
| -rw-r--r-- | virt/kvm/arm/mmu.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index dee3dbd98712..3053bf2584f8 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -2049,14 +2049,14 @@ static int kvm_set_spte_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *data } -void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte) +int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte) { unsigned long end = hva + PAGE_SIZE; kvm_pfn_t pfn = pte_pfn(pte); pte_t stage2_pte; if (!kvm->arch.pgd) - return; + return 0; trace_kvm_set_spte_hva(hva); @@ -2067,6 +2067,8 @@ void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte) clean_dcache_guest_page(pfn, PAGE_SIZE); stage2_pte = kvm_pfn_pte(pfn, PAGE_S2); handle_hva_to_gpa(kvm, hva, end, &kvm_set_spte_handler, &stage2_pte); + + return 0; } static int kvm_age_hva_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *data) |