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| author | Alex Shi <alex.shi@linaro.org> | 2018-03-26 02:31:53 +0000 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2018-03-26 02:31:53 +0000 |
| commit | c5833b96030f9e06cf7c19dd4f99d3b55985eb8c (patch) | |
| tree | 9587bb407acebb17bbd8a33d2d9c53ecbe1ab442 /arch/powerpc | |
| parent | 78c39820dc30c73f5b69c3fe2269ad9b0840a61a (diff) | |
| parent | b766b14a48de577e5060e4d8762f1e4a34229d2b (diff) | |
Merge tag 'v4.4.124' into linux-linaro-lsk-v4.4
This is the 4.4.124 stable release
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_host.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index 79ad35abd196..ddec22828673 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -177,12 +177,15 @@ map_again: ret = ppc_md.hpte_insert(hpteg, vpn, hpaddr, rflags, vflags, hpsize, hpsize, MMU_SEGSIZE_256M); - if (ret < 0) { + if (ret == -1) { /* If we couldn't map a primary PTE, try a secondary */ hash = ~hash; vflags ^= HPTE_V_SECONDARY; attempt++; goto map_again; + } else if (ret < 0) { + r = -EIO; + goto out_unlock; } else { trace_kvm_book3s_64_mmu_map(rflags, hpteg, vpn, hpaddr, orig_pte); diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 64891b081ad5..81313844d81c 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -625,7 +625,11 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu, kvmppc_mmu_unmap_page(vcpu, &pte); } /* The guest's PTE is not mapped yet. Map on the host */ - kvmppc_mmu_map_page(vcpu, &pte, iswrite); + if (kvmppc_mmu_map_page(vcpu, &pte, iswrite) == -EIO) { + /* Exit KVM if mapping failed */ + run->exit_reason = KVM_EXIT_INTERNAL_ERROR; + return RESUME_HOST; + } if (data) vcpu->stat.sp_storage++; else if (vcpu->arch.mmu.is_dcbz32(vcpu) && |