[PATCH 2/3] um: virtio_uml: use raw spinlock

[Johannes Berg]

From: Johannes Berg <johannes.b...@intel.com>

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

Signed-off-by: Johannes Berg <johannes.b...@intel.com>
---
 arch/um/drivers/virtio_uml.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c
index 65df43fa9be5..ad8d78fb1d9a 100644
--- a/arch/um/drivers/virtio_uml.c
+++ b/arch/um/drivers/virtio_uml.c
@@ -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)
-- 
2.47.1