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authorEmanuele Giuseppe Esposito <eesposit@redhat.com>2021-03-19 10:16:50 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2021-03-19 05:31:32 -0400
commit9ce3746d64132a561bceab6421715e7c04e85074 (patch)
treee43422876fa8384356ae2de098e844b73b54cfaf /Documentation/virt
parentf4e61f0c9add3b00bd5f2df3c814d688849b8707 (diff)
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/virt')
-rw-r--r--Documentation/virt/kvm/api.rst3
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