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| author | Oliver Upton <oliver.upton@linux.dev> | 2025-09-30 16:36:20 -0700 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-10-13 14:17:03 +0100 |
| commit | cc4309324dc695f62d25d56c0b29805e9724170c (patch) | |
| tree | ac61e591166dc9e1d7200e119ae14cb0f72a84dd /Documentation | |
| parent | 0aa1b76fe1429629215a7c79820e4b96233ac4a3 (diff) | |
| download | linux-cc4309324dc695f62d25d56c0b29805e9724170c.tar.gz | |
KVM: arm64: Document vCPU event ioctls as requiring init'ed vCPU
KVM rejects calls to KVM_{GET,SET}_VCPU_EVENTS for an uninitialized vCPU
as of commit cc96679f3c03 ("KVM: arm64: Prevent access to vCPU events
before init"). Update the corresponding API documentation.
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 6ae24c5ca5598f..4973c74db5c666 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -1229,6 +1229,9 @@ It is not possible to read back a pending external abort (injected via KVM_SET_VCPU_EVENTS or otherwise) because such an exception is always delivered directly to the virtual CPU). +Calling this ioctl on a vCPU that hasn't been initialized will return +-ENOEXEC. + :: struct kvm_vcpu_events { @@ -1309,6 +1312,8 @@ exceptions by manipulating individual registers using the KVM_SET_ONE_REG API. See KVM_GET_VCPU_EVENTS for the data structure. +Calling this ioctl on a vCPU that hasn't been initialized will return +-ENOEXEC. 4.33 KVM_GET_DEBUGREGS ---------------------- |