diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-03-12 13:32:40 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-03-12 13:32:40 -0700 |
| commit | 3552138a552447202814584de66fa1a2777f3d77 (patch) | |
| tree | b42e6ccff4ac3e7de770512b6f7463680b621bfa /drivers/net/netdevsim/netdev.c | |
| parent | 17fef2042338e19ed7b57484da4db9e3a3b47c76 (diff) | |
| parent | 1d22d3060b9b1f33da617045480c59c4c0511196 (diff) | |
Merge branch 'net-remove-rtnl_lock-from-the-callers-of-queue-apis'
Stanislav Fomichev says:
====================
net: remove rtnl_lock from the callers of queue APIs
All drivers that use queue management APIs already depend on the netdev
lock. Ultimately, we want to have most of the paths that work with
specific netdev to be rtnl_lock-free (ethtool mostly in particular).
Queue API currently has a much smaller API surface, so start with
rtnl_lock from it:
- add mutex to each dmabuf binding (to replace rtnl_lock)
- move netdev lock management to the callers of netdev_rx_queue_restart
and drop rtnl_lock
====================
Link: https://patch.msgid.link/20250311144026.4154277-1-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/netdevsim/netdev.c')
| -rw-r--r-- | drivers/net/netdevsim/netdev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c index d71fd2907cc8..e3152ebe98a2 100644 --- a/drivers/net/netdevsim/netdev.c +++ b/drivers/net/netdevsim/netdev.c @@ -787,7 +787,7 @@ nsim_qreset_write(struct file *file, const char __user *data, if (ret != 2) return -EINVAL; - rtnl_lock(); + netdev_lock(ns->netdev); if (queue >= ns->netdev->real_num_rx_queues) { ret = -EINVAL; goto exit_unlock; @@ -801,7 +801,7 @@ nsim_qreset_write(struct file *file, const char __user *data, ret = count; exit_unlock: - rtnl_unlock(); + netdev_unlock(ns->netdev); return ret; } |