Commit e47f3c28 authored by Daniel Henrique Barboza's avatar Daniel Henrique Barboza Committed by Anup Patel
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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: default avatarDaniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: default avatarAndrew Jones <ajones@ventanamicro.com>
Signed-off-by: default avatarAnup Patel <anup@brainfault.org>
parent 1deaf754

Documentation/virt/kvm/api.rst

+2 −0
Original line number Diff line number Diff line
@@ -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