diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-05-05 10:17:24 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-05 14:20:16 +0300 |
| commit | bda3deaa6fc800218b6b59213e8da644e52787dc (patch) | |
| tree | a024d8b88b0e78a6156c341301ac7565dc590e6d /arch | |
| parent | 3ff8df1430e9eaa18644345971342b09ba5348a3 (diff) | |
| download | linux-bda3deaa6fc800218b6b59213e8da644e52787dc.tar.xz | |
powerpc/kvm/book3s: use find_kvm_host_pte in kvmppc_book3s_instantiate_page
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200505071729.54912-18-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_radix.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index 70c4025406d8..271f1c3d8443 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -813,12 +813,12 @@ int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu, * Read the PTE from the process' radix tree and use that * so we get the shift and attribute bits. */ - local_irq_disable(); - ptep = __find_linux_pte(vcpu->arch.pgdir, hva, NULL, &shift); + spin_lock(&kvm->mmu_lock); + ptep = find_kvm_host_pte(kvm, mmu_seq, hva, &shift); pte = __pte(0); if (ptep) - pte = *ptep; - local_irq_enable(); + pte = READ_ONCE(*ptep); + spin_unlock(&kvm->mmu_lock); /* * If the PTE disappeared temporarily due to a THP * collapse, just return and let the guest try again. |