Re: [PATCH 2/4] KVM: Add unified KVM_GET/SET_VCPU_STATE IOCTL

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On Thu, Oct 15, 2009 at 05:11:27PM +0900, Avi Kivity wrote:
> On 10/14/2009 01:06 AM, Jan Kiszka wrote:
>> Add a new IOCTL pair to retrieve or set the VCPU state in one chunk.
>> More precisely, the IOCTL is able to process a list of substates to be
>> read or written. This list is easily extensible without breaking the
>> existing ABI, thus we will no longer have to add new IOCTLs when we
>> discover a missing VCPU state field or want to support new hardware
>> features.
>>
>> This patch establishes the generic infrastructure for KVM_GET/
>> SET_VCPU_STATE and adds support for the generic substates REGS, SREGS,
>> FPU, and MP. To avoid code duplication, the entry point for the
>> corresponding original IOCTLs are converted to make use of the new
>> infrastructure internally, too.
>>
>>    
>
> One last thing - Documentation/kvm/api.txt needs updating.  Glauber,  
> this holds for your patches as well.
Marcelo asked me to send the userspace part together. I will udate the
doc when I do it.
thanks for the reminder.

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