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documentation/kvm: additional explanations on KVM_SET_BOOT_CPU_ID

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The ioctl KVM_SET_BOOT_CPU_ID fails when called after vcpu creation.
Add this explanation in the documentation.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20210319091650.11967-1-eesposit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Emanuele Giuseppe Esposito 2021-03-19 10:16:50 +01:00 committed by Paolo Bonzini
parent f4e61f0c9a
commit 9ce3746d64
1 changed files with 2 additions and 1 deletions
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3
Documentation/virt/kvm/api.rst
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@ -1495,7 +1495,8 @@ Fails if any VCPU has already been created.
Define which vcpu is the Bootstrap Processor (BSP). Values are the same
as the vcpu id in KVM_CREATE_VCPU. If this ioctl is not called, the default
is vcpu 0.
is vcpu 0. This ioctl has to be called before vcpu creation,
otherwise it will return EBUSY error.
4.42 KVM_GET_XSAVE