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um: virtio_uml: use raw spinlock

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This is needed because at least in time-travel the code
can be called directly from the deep architecture and
IRQ handling code.

Link: https://patch.msgid.link/20250110125550.32479-7-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Johannes Berg 2025-01-10 13:54:05 +01:00 • committed by Richard Weinberger
parent 5b166b782d
commit daa1a05ba4
1 changed files with 4 additions and 4 deletions
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8
arch/um/drivers/virtio_uml.c
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@ -52,7 +52,7 @@ struct virtio_uml_device {
struct platform_device *pdev;
struct virtio_uml_platform_data *pdata;
spinlock_t sock_lock;
raw_spinlock_t sock_lock;
int sock, req_fd, irq;
u64 features;
u64 protocol_features;
@ -246,7 +246,7 @@ static int vhost_user_send(struct virtio_uml_device *vu_dev,
if (request_ack)
msg->header.flags |= VHOST_USER_FLAG_NEED_REPLY;
spin_lock_irqsave(&vu_dev->sock_lock, flags);
raw_spin_lock_irqsave(&vu_dev->sock_lock, flags);
rc = full_sendmsg_fds(vu_dev->sock, msg, size, fds, num_fds);
if (rc < 0)
goto out;
@ -266,7 +266,7 @@ static int vhost_user_send(struct virtio_uml_device *vu_dev,
}
out:
spin_unlock_irqrestore(&vu_dev->sock_lock, flags);
raw_spin_unlock_irqrestore(&vu_dev->sock_lock, flags);
return rc;
}
@ -1239,7 +1239,7 @@ static int virtio_uml_probe(struct platform_device *pdev)
goto error_free;
vu_dev->sock = rc;
spin_lock_init(&vu_dev->sock_lock);
raw_spin_lock_init(&vu_dev->sock_lock);
rc = vhost_user_init(vu_dev);
if (rc)