Re: [PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-18 Thread Zhang Yanfei
于 2012年10月18日 18:55, Avi Kivity 写道: > On 10/18/2012 03:12 AM, Zhang Yanfei wrote: >> 于 2012年10月17日 18:16, Avi Kivity 写道: >>> On 10/17/2012 04:28 AM, Zhang Yanfei wrote: 于 2012年10月15日 23:43, Avi Kivity 写道: > On 10/12/2012 08:40 AM, Zhang Yanfei wrote: >> Currently, kdump just makes all

Re: [PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-18 Thread Avi Kivity
On 10/18/2012 03:12 AM, Zhang Yanfei wrote: > 于 2012年10月17日 18:16, Avi Kivity 写道: >> On 10/17/2012 04:28 AM, Zhang Yanfei wrote: >>> 于 2012年10月15日 23:43, Avi Kivity 写道: On 10/12/2012 08:40 AM, Zhang Yanfei wrote: > Currently, kdump just makes all the logical processors leave VMX > ope

Re: [PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-17 Thread Zhang Yanfei
于 2012年10月17日 18:16, Avi Kivity 写道: > On 10/17/2012 04:28 AM, Zhang Yanfei wrote: >> 于 2012年10月15日 23:43, Avi Kivity 写道: >>> On 10/12/2012 08:40 AM, Zhang Yanfei wrote: Currently, kdump just makes all the logical processors leave VMX operation by executing VMXOFF instruction, so any

Re: [PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-17 Thread Avi Kivity
On 10/17/2012 04:28 AM, Zhang Yanfei wrote: > 于 2012年10月15日 23:43, Avi Kivity 写道: >> On 10/12/2012 08:40 AM, Zhang Yanfei wrote: >>> Currently, kdump just makes all the logical processors leave VMX operation >>> by >>> executing VMXOFF instruction, so any VMCSs active on the logical processors >>

Re: [PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-16 Thread Zhang Yanfei
于 2012年10月15日 23:43, Avi Kivity 写道: > On 10/12/2012 08:40 AM, Zhang Yanfei wrote: >> Currently, kdump just makes all the logical processors leave VMX operation by >> executing VMXOFF instruction, so any VMCSs active on the logical processors >> may >> be corrupted. But, sometimes, we need the VMCS

Re: [PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-15 Thread Avi Kivity
On 10/12/2012 08:40 AM, Zhang Yanfei wrote: > Currently, kdump just makes all the logical processors leave VMX operation by > executing VMXOFF instruction, so any VMCSs active on the logical processors > may > be corrupted. But, sometimes, we need the VMCSs to debug guest images > contained > in

[PATCH 0/3] x86: clear vmcss on all cpus when doing kdump if necessary

2012-10-11 Thread Zhang Yanfei
Currently, kdump just makes all the logical processors leave VMX operation by executing VMXOFF instruction, so any VMCSs active on the logical processors may be corrupted. But, sometimes, we need the VMCSs to debug guest images contained in the host vmcore. To prevent the corruption, we should VMCL