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| author | Andrey Smetanin <asmetanin@virtuozzo.com> | 2015-07-03 15:01:41 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-23 08:27:06 +0200 |
| commit | 2ce7918990641b07e70e1b25752d666369e2016e (patch) | |
| tree | 03f59dec22c00e8476ab6c65443eaaf9e67d5182 /arch/x86/kvm/x86.c | |
| parent | e7d9513b60e87f62e41090fa3a26eca796924346 (diff) | |
| download | op-kernel-dev-2ce7918990641b07e70e1b25752d666369e2016e.zip op-kernel-dev-2ce7918990641b07e70e1b25752d666369e2016e.tar.gz | |
kvm/x86: add sending hyper-v crash notification to user space
Sending of notification is done by exiting vcpu to user space
if KVM_REQ_HV_CRASH is enabled for vcpu. At exit to user space
the kvm_run structure contains system_event with type
KVM_SYSTEM_EVENT_CRASH to notify about guest crash occurred.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Peter Hornyack <peterhornyack@google.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Gleb Natapov <gleb@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index cfa3e5a..28076c2 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6263,6 +6263,12 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) vcpu_scan_ioapic(vcpu); if (kvm_check_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu)) kvm_vcpu_reload_apic_access_page(vcpu); + if (kvm_check_request(KVM_REQ_HV_CRASH, vcpu)) { + vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; + vcpu->run->system_event.type = KVM_SYSTEM_EVENT_CRASH; + r = 0; + goto out; + } } if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) { |
