[PATCH v4 10/17] KVM: PPC: Book3S HV: XIVE: add get/set accessors for the VP XIVE state
Cédric Le Goater
clg at kaod.org
Tue Apr 9 19:18:08 AEST 2019
On 4/9/19 8:19 AM, Paul Mackerras wrote:
> On Wed, Mar 20, 2019 at 09:37:44AM +0100, Cédric Le Goater wrote:
>> The state of the thread interrupt management registers needs to be
>> collected for migration. These registers are cached under the
>> 'xive_saved_state.w01' field of the VCPU when the VPCU context is
>> pulled from the HW thread. An OPAL call retrieves the backup of the
>> IPB register in the underlying XIVE NVT structure and merges it in the
>> KVM state.
>
> Since you're adding a new one_reg identifier value, you need to update
> the list in Documentation/virtual/kvm/api.txt.
yes. I missed that file.
I will keep a description of the VP state register layout in the device
documentation file :
Documentation/virtual/kvm/devices/xive.txt
I don't think it belongs to kvm/api.txt file.
Thanks,
C.
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