diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 05:04:00 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 05:04:00 -0300 |
commit | 273d4428f8c4cc94c9598f8bcc006ec2e8c654ea (patch) | |
tree | a453898167c5f6387e740a704a46b44b0a35b88a /arch/mips/kvm/emulate.c | |
parent | 863981e96738983919de841ec669e157e6bdaeb0 (diff) |
Linux-libre 4.7.2-gnupck-4.7.2-gnu
Diffstat (limited to 'arch/mips/kvm/emulate.c')
-rw-r--r-- | arch/mips/kvm/emulate.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index 645c8a198..2b42a74ed 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -1615,8 +1615,14 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc, preempt_disable(); if (KVM_GUEST_KSEGX(va) == KVM_GUEST_KSEG0) { - if (kvm_mips_host_tlb_lookup(vcpu, va) < 0) - kvm_mips_handle_kseg0_tlb_fault(va, vcpu); + if (kvm_mips_host_tlb_lookup(vcpu, va) < 0 && + kvm_mips_handle_kseg0_tlb_fault(va, vcpu)) { + kvm_err("%s: handling mapped kseg0 tlb fault for %lx, vcpu: %p, ASID: %#lx\n", + __func__, va, vcpu, read_c0_entryhi()); + er = EMULATE_FAIL; + preempt_enable(); + goto done; + } } else if ((KVM_GUEST_KSEGX(va) < KVM_GUEST_KSEG0) || KVM_GUEST_KSEGX(va) == KVM_GUEST_KSEG23) { int index; @@ -1654,14 +1660,19 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc, run, vcpu); preempt_enable(); goto dont_update_pc; - } else { - /* - * We fault an entry from the guest tlb to the - * shadow host TLB - */ - kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb, - NULL, - NULL); + } + /* + * We fault an entry from the guest tlb to the + * shadow host TLB + */ + if (kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb, + NULL, NULL)) { + kvm_err("%s: handling mapped seg tlb fault for %lx, index: %u, vcpu: %p, ASID: %#lx\n", + __func__, va, index, vcpu, + read_c0_entryhi()); + er = EMULATE_FAIL; + preempt_enable(); + goto done; } } } else { @@ -2625,8 +2636,13 @@ enum emulation_result kvm_mips_handle_tlbmiss(unsigned long cause, * OK we have a Guest TLB entry, now inject it into the * shadow host TLB */ - kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb, NULL, - NULL); + if (kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb, + NULL, NULL)) { + kvm_err("%s: handling mapped seg tlb fault for %lx, index: %u, vcpu: %p, ASID: %#lx\n", + __func__, va, index, vcpu, + read_c0_entryhi()); + er = EMULATE_FAIL; + } } } |