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| author |   Emanuele Giuseppe Esposito <eesposit@redhat.com> | 2021-03-19 10:16:50 +0100 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-03-19 05:31:32 -0400 |
| commit | 9ce3746d64132a561bceab6421715e7c04e85074 (patch) | |
| tree | e43422876fa8384356ae2de098e844b73b54cfaf /Documentation | |
| parent | x86/kvm: Fix broken irq restoration in kvm_wait (diff) | |
| download | linux-dev-9ce3746d64132a561bceab6421715e7c04e85074.tar.xz linux-dev-9ce3746d64132a561bceab6421715e7c04e85074.zip | |
documentation/kvm: additional explanations on KVM_SET_BOOT_CPU_ID
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 2898d3e86b08..307f2fcf1b02 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -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 |