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authorLan Tianyu <Tianyu.Lan@microsoft.com>2018-12-06 21:21:10 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2018-12-21 11:28:41 +0100
commit748c0e312fce983bd7854b369b192e24dce90878 (patch)
treefa6c52e90d0ee3db59f013bd1305970595bcc86a /virt
parentc3134ce240eed2eaa9703579ef99c3099665236e (diff)
downloadlinux-stericsson-748c0e312fce983bd7854b369b192e24dce90878.tar.gz
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')
-rw-r--r--virt/kvm/arm/mmu.c6
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)