Hi, Huang-san
(2010/11/25 14:55), Huang Ying wrote:
> On Thu, 2010-11-25 at 09:20 +0800, Jin Dongming wrote:
>> --- a/monitor.c
>> +++ b/monitor.c
>> @@ -60,6 +60,7 @@
>> #include "trace.h"
>> #endif
>> #include "qemu-kvm.h"
>> +#include "kvm_x86.h"
>>
>> //#define DEBUG
>> //#define DEBUG_COMPLETION
>> @@ -2277,7 +2278,19 @@ static void do_inject_mce(Monitor *mon, const QDict
>> *qdict)
>> #endif
>>
>> for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
>> - if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
>> + if (!cenv->mcg_cap)
>> + continue;
>> +
>> +#if defined(KVM_CAP_MCE)
>> + if (!status && !mcg_status) {
>> + if (cenv->cpu_index == cpu_index || broadcast)
>> + kvm_inject_x86_mce(cenv, 0, 0, 0, 0, 0, 0);
>> +
>> + continue;
>> + }
>> +#endif
>> +
>> + if (cenv->cpu_index == cpu_index) {
>> cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
>> #if defined(KVM_CAP_MCE)
>> if (broadcast)
>
> Are you sure there is no test cases that require the Machine Check
> registers not cleared? I have had a test case before that injects
> another MCE when MCIP in MCGSTATUS is set to check whether system will
> go reset.
>
> It may be better to clear MC registers in an explicit mode.
MC registers could be cleared in Guest OS with APL. So I will cancel this patch.
I will resend the patch for broadcast option.
Best Regards,
Jin Dongming
>
> Best Regards,
> Huang Ying
>
>
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