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Subject[PATCH v2 13/22] powerpc/kvm/book3s: Use find_kvm_host_pte in page fault handler
Date
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
arch/powerpc/kvm/book3s_64_mmu_hv.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 6c372f5c61b6..fbabdcf24c86 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -605,19 +605,18 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
/* if the guest wants write access, see if that is OK */
if (!writing && hpte_is_writable(r)) {
pte_t *ptep, pte;
- unsigned long flags;
/*
* We need to protect against page table destruction
* hugepage split and collapse.
*/
- local_irq_save(flags);
- ptep = find_current_mm_pte(mm->pgd, hva, NULL, NULL);
+ spin_lock(&kvm->mmu_lock);
+ ptep = find_kvm_host_pte(kvm, mmu_seq, hva, NULL);
if (ptep) {
pte = kvmppc_read_update_linux_pte(ptep, 1);
if (__pte_write(pte))
write_ok = 1;
}
- local_irq_restore(flags);
+ spin_unlock(&kvm->mmu_lock);
}
}

--
2.24.1
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