On 6 August 2014 18:23, Will Deacon <will.dea...@arm.com> wrote:
> On Tue, Aug 05, 2014 at 09:49:58AM +0100, Anup Patel wrote:
>> The KVM_EXIT_SYSTEM_EVENT exit reason was added to define
>> architecture independent system-wide events for a Guest.
>>
>> Currently, it is used by in-kernel PSCI-0.2 emulation of
>> KVM ARM/ARM64 to inform user space about PSCI SYSTEM_OFF
>> or PSCI SYSTEM_RESET request.
>>
>> For now, we simply treat all system-wide guest events as
>> same and shutdown the guest upon KVM_EXIT_SYSTEM_EVENT.
>>
>> Signed-off-by: Pranavkumar Sawargaonkar <pranavku...@linaro.org>
>> Signed-off-by: Anup Patel <anup.pa...@linaro.org>
>> ---
>>  tools/kvm/kvm-cpu.c |    6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/tools/kvm/kvm-cpu.c b/tools/kvm/kvm-cpu.c
>> index ee0a8ec..e20ee4b 100644
>> --- a/tools/kvm/kvm-cpu.c
>> +++ b/tools/kvm/kvm-cpu.c
>> @@ -160,6 +160,12 @@ int kvm_cpu__start(struct kvm_cpu *cpu)
>>                       goto exit_kvm;
>>               case KVM_EXIT_SHUTDOWN:
>>                       goto exit_kvm;
>> +             case KVM_EXIT_SYSTEM_EVENT:
>> +                     /*
>> +                      * Treat both SHUTDOWN & RESET system events
>> +                      * as shutdown request.
>> +                      */
>> +                     goto exit_kvm;
>
> Can we figure out whether this was a SHUTDOWN or RESET request? If so,
> printing a message for the latter "RESET request received -- exiting KVM"
> might be informative.

OK, I will update this and make it more verbose.

--
Anup

>
> Will
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