From e47f3c2843c2c23467f9447ed977dfccbe13a6f7 Mon Sep 17 00:00:00 2001 From: Daniel Henrique Barboza Date: Thu, 3 Aug 2023 13:33:02 -0300 Subject: docs: kvm: riscv: document EBUSY in KVM_SET_ONE_REG The EBUSY errno is being used for KVM_SET_ONE_REG as a way to tell userspace that a given reg can't be changed after the vcpu started. Signed-off-by: Daniel Henrique Barboza Reviewed-by: Andrew Jones Signed-off-by: Anup Patel --- 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 c0ddd3035462..3249fb56cc69 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -2259,6 +2259,8 @@ Errors: EINVAL invalid register ID, or no such register or used with VMs in protected virtualization mode on s390 EPERM (arm64) register access not allowed before vcpu finalization + EBUSY (riscv) changing register value not allowed after the vcpu + has run at least once ====== ============================================================ (These error codes are indicative only: do not rely on a specific error -- cgit v1.2.3