> On May 12, 2019, at 11:05 PM, Xiaoyao Li <xiaoyao.li@xxxxxxxxx> wrote:
>
> On 5/10/2019 11:34 AM, Nadav Amit wrote:
>> Err… kvm-unit-tests patch if there is any doubt.
> you should contain kvm-unit-tests in the subject as
> [kvm-unit-tests PATCH]
>
> otherwise, we don't know it's a kvm-unit-tests patch.
Thanks, I know. The “Err…” meant to say “Oops, I forgot the --subject-prefix,
please excuse me."
>
>>> On May 9, 2019, at 12:50 PM, Nadav Amit <nadav.amit@xxxxxxxxx> wrote:
>>>
>>> In some cases, shutdown through the test device and Bochs might fail.
>>> Just hang in a loop that executes halt in such cases.
>>>
>>> Signed-off-by: Nadav Amit <nadav.amit@xxxxxxxxx>
>>> ---
>>> lib/x86/io.c | 4 ++++
>>> 1 file changed, 4 insertions(+)
>>>
>>> diff --git a/lib/x86/io.c b/lib/x86/io.c
>>> index f3e01f7..e6372c6 100644
>>> --- a/lib/x86/io.c
>>> +++ b/lib/x86/io.c
>>> @@ -99,6 +99,10 @@ void exit(int code)
>>> #else
>>> asm volatile("out %0, %1" : : "a"(code), "d"((short)0xf4));
>>> #endif
>>> + /* Fallback */
>>> + while (1) {
>>> + asm volatile ("hlt" ::: "memory");
>>> + }
>>> __builtin_unreachable();
>>> }
>>>
>>> --
>>> 2.17.1
