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KVM: Make kvm_set_spte_hva() return int

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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 <[email protected]>
Acked-by: Paul Mackerras <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
This commit is contained in:
Lan Tianyu 2018-12-06 21:21:10 +08:00 • committed by Paolo Bonzini
commit 748c0e312f
10 changed files with 17 additions and 11 deletions
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6
virt/kvm/arm/mmu.c
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@ -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)