The EAGAIN errno is returned when an application processor was
blocked because of an uninitialized MP state [1].
[1] commit c5ec153402b6 ("KVM: enable in-kernel APIC INIT/SIPI handling")
Signed-off-by: Changyuan Lyu <changyuan.lv@xxxxxxxxx>
---
Documentation/virt/kvm/api.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 7025b3751027..fccdbb366770 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -370,6 +370,8 @@ Errors:
======= ==============================================================
EINTR an unmasked signal is pending
+ EAGAIN the vcpu is an application processor (AP) and had not received
+ an INIT signal [x86]
ENOEXEC the vcpu hasn't been initialized or the guest tried to execute
instructions from device memory (arm64)
ENOSYS data abort outside memslots with no syndrome info and
--
2.43.0.472.g3155946c3a-goog
