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Revert "vsock: each transport cycles only on its own sockets"

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This reverts commit d9fe590970 which is
commit 8e6ed96376 upstream.

If this needs to come back into an Android kernel, it should be redone
in an ABI-neutral way.

Fixes: d9fe590970 ("vsock: each transport cycles only on its own sockets")
Cc: Jiyong Park <jiyong@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If67ee273bd40d160ed92f058a5e8c866126ea46a
This commit is contained in:
Greg Kroah-Hartman
2022-03-23 13:24:17 +01:00
parent 644c989f41
commit ab2d1d40a1
5 changed files with 7 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/vhost/vsock.c
View File

@@ -697,8 +697,7 @@ static int vhost_vsock_dev_release(struct inode *inode, struct file *file)
/* Iterating over all connections for all CIDs to find orphans is
* inefficient. Room for improvement here. */
vsock_for_each_connected_socket(&vhost_transport.transport,
vhost_vsock_reset_orphans);
vsock_for_each_connected_socket(vhost_vsock_reset_orphans);
/* Don't check the owner, because we are in the release path, so we
* need to stop the vsock device in any case.

3
include/net/af_vsock.h
View File

@@ -197,8 +197,7 @@ struct sock *vsock_find_bound_socket(struct sockaddr_vm *addr);
struct sock *vsock_find_connected_socket(struct sockaddr_vm *src,
struct sockaddr_vm *dst);
void vsock_remove_sock(struct vsock_sock *vsk);
void vsock_for_each_connected_socket(struct vsock_transport *transport,
void (*fn)(struct sock *sk));
void vsock_for_each_connected_socket(void (*fn)(struct sock *sk));
int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk);
bool vsock_find_cid(unsigned int cid);

9
net/vmw_vsock/af_vsock.c
View File

@@ -333,8 +333,7 @@ void vsock_remove_sock(struct vsock_sock *vsk)
}
EXPORT_SYMBOL_GPL(vsock_remove_sock);
void vsock_for_each_connected_socket(struct vsock_transport *transport,
void (*fn)(struct sock *sk))
void vsock_for_each_connected_socket(void (*fn)(struct sock *sk))
{
int i;
@@ -343,12 +342,8 @@ void vsock_for_each_connected_socket(struct vsock_transport *transport,
for (i = 0; i < ARRAY_SIZE(vsock_connected_table); i++) {
struct vsock_sock *vsk;
list_for_each_entry(vsk, &vsock_connected_table[i],
connected_table) {
if (vsk->transport != transport)
continue;
connected_table)
fn(sk_vsock(vsk));
}
}
spin_unlock_bh(&vsock_table_lock);

7
net/vmw_vsock/virtio_transport.c
View File

@@ -24,7 +24,6 @@
static struct workqueue_struct *virtio_vsock_workqueue;
static struct virtio_vsock __rcu *the_virtio_vsock;
static DEFINE_MUTEX(the_virtio_vsock_mutex); /* protects the_virtio_vsock */
static struct virtio_transport virtio_transport; /* forward declaration */
struct virtio_vsock {
struct virtio_device *vdev;
@@ -384,8 +383,7 @@ static void virtio_vsock_event_handle(struct virtio_vsock *vsock,
switch (le32_to_cpu(event->id)) {
case VIRTIO_VSOCK_EVENT_TRANSPORT_RESET:
virtio_vsock_update_guest_cid(vsock);
vsock_for_each_connected_socket(&virtio_transport.transport,
virtio_vsock_reset_sock);
vsock_for_each_connected_socket(virtio_vsock_reset_sock);
break;
}
}
@@ -637,8 +635,7 @@ static void virtio_vsock_remove(struct virtio_device *vdev)
synchronize_rcu();
/* Reset all connected sockets when the device disappear */
vsock_for_each_connected_socket(&virtio_transport.transport,
virtio_vsock_reset_sock);
vsock_for_each_connected_socket(virtio_vsock_reset_sock);
/* Stop all work handlers to make sure no one is accessing the device,
* so we can safely call vdev->config->reset().

5
net/vmw_vsock/vmci_transport.c
View File

@@ -75,8 +75,6 @@ static u32 vmci_transport_qp_resumed_sub_id = VMCI_INVALID_ID;
static int PROTOCOL_OVERRIDE = -1;
static struct vsock_transport vmci_transport; /* forward declaration */
/* Helper function to convert from a VMCI error code to a VSock error code. */
static s32 vmci_transport_error_to_vsock_error(s32 vmci_error)
@@ -884,8 +882,7 @@ static void vmci_transport_qp_resumed_cb(u32 sub_id,
const struct vmci_event_data *e_data,
void *client_data)
{
vsock_for_each_connected_socket(&vmci_transport,
vmci_transport_handle_detach);
vsock_for_each_connected_socket(vmci_transport_handle_detach);
}
static void vmci_transport_recv_pkt_work(struct work_struct *work)