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| author | Daniel Henrique Barboza | 2023-08-03 13:33:02 -0300 |
|---|---|---|
| committer | Anup Patel | 2023-08-08 17:26:03 +0530 |
| commit | e47f3c2843c2c23467f9447ed977dfccbe13a6f7 (patch) | |
| tree | 6cbd39ac1a0605377579e395c6e9d00429036ac0 /Documentation/virt | |
| parent | 1deaf754f5310e348e6386e75b7f16a0089fa3b7 (diff) | |
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 <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 2 |
1 files changed, 2 insertions, 0 deletions
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 |