From: Johannes Berg johannes.berg@intel.com
[ Upstream commit daa1a05ba431540097ec925d4e01d53ef29a98f1 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- 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 65df43fa9be58..ad8d78fb1d9aa 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)