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Code

misc: vmw_vmci: Remove unused vmci_doorbell_notify

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vmci_doorbell_notify() was added in 2013 by
commit 83e2ec765b ("VMCI: doorbell implementation.")

but has remained unused.

Remove it.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Link: https://lore.kernel.org/r/20250614010344.636076-3-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dr. David Alan Gilbert 2025-06-14 02:03:43 +01:00 committed by Greg Kroah-Hartman
parent 5bce7d47d5
commit 2ce80bc11f
2 changed files with 0 additions and 54 deletions
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53
drivers/misc/vmw_vmci/vmci_doorbell.c
View File

@ -257,23 +257,6 @@ static int dbell_unlink(struct vmci_handle handle)
return vmci_send_datagram(&unlink_msg.hdr);
}
/*
* Notify another guest or the host. We send a datagram down to the
* host via the hypervisor with the notification info.
*/
static int dbell_notify_as_guest(struct vmci_handle handle, u32 priv_flags)
{
struct vmci_doorbell_notify_msg notify_msg;
notify_msg.hdr.dst = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID,
VMCI_DOORBELL_NOTIFY);
notify_msg.hdr.src = VMCI_ANON_SRC_HANDLE;
notify_msg.hdr.payload_size = sizeof(notify_msg) - VMCI_DG_HEADERSIZE;
notify_msg.handle = handle;
return vmci_send_datagram(&notify_msg.hdr);
}
/*
* Calls the specified callback in a delayed context.
*/
@ -566,39 +549,3 @@ int vmci_doorbell_destroy(struct vmci_handle handle)
return VMCI_SUCCESS;
}
EXPORT_SYMBOL_GPL(vmci_doorbell_destroy);
/*
* vmci_doorbell_notify() - Ring the doorbell (and hide in the bushes).
* @dst: The handlle identifying the doorbell resource
* @priv_flags: Priviledge flags.
*
* Generates a notification on the doorbell identified by the
* handle. For host side generation of notifications, the caller
* can specify what the privilege of the calling side is.
*/
int vmci_doorbell_notify(struct vmci_handle dst, u32 priv_flags)
{
int retval;
enum vmci_route route;
struct vmci_handle src;
if (vmci_handle_is_invalid(dst) ||
(priv_flags & ~VMCI_PRIVILEGE_ALL_FLAGS))
return VMCI_ERROR_INVALID_ARGS;
src = VMCI_INVALID_HANDLE;
retval = vmci_route(&src, &dst, false, &route);
if (retval < VMCI_SUCCESS)
return retval;
if (VMCI_ROUTE_AS_HOST == route)
return vmci_ctx_notify_dbell(VMCI_HOST_CONTEXT_ID,
dst, priv_flags);
if (VMCI_ROUTE_AS_GUEST == route)
return dbell_notify_as_guest(dst, priv_flags);
pr_warn("Unknown route (%d) for doorbell\n", route);
return VMCI_ERROR_DST_UNREACHABLE;
}
EXPORT_SYMBOL_GPL(vmci_doorbell_notify);

1
include/linux/vmw_vmci_api.h
View File

@ -35,7 +35,6 @@ int vmci_doorbell_create(struct vmci_handle *handle, u32 flags,
u32 priv_flags,
vmci_callback notify_cb, void *client_data);
int vmci_doorbell_destroy(struct vmci_handle handle);
int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags);
u32 vmci_get_context_id(void);
bool vmci_is_context_owner(u32 context_id, kuid_t uid);
int vmci_register_vsock_callback(vmci_vsock_cb callback);