Re: [Bridge] [PATCH v3 net-next 07/11] net: prep switchdev drivers for concurrent SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

From: Vladimir Oltean Date: Wed, 10 Feb 2021 11:14:41 +0200 > From: Vladimir Oltean > > Because the bridge will start offloading SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS > while not serialized by any lock such as the br->lock spinlock, existing > drivers that treat that attribute and cache the

Re: [Bridge] [PATCH v3 net-next 07/11] net: prep switchdev drivers for concurrent SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

On Wed, Feb 10, 2021 at 12:12:57PM +0200, Ido Schimmel wrote: > On Wed, Feb 10, 2021 at 11:14:41AM +0200, Vladimir Oltean wrote: > > From: Vladimir Oltean > > > > Because the bridge will start offloading SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS > > while not serialized by any lock such as the

Re: [Bridge] [PATCH v3 net-next 07/11] net: prep switchdev drivers for concurrent SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

On Wed, Feb 10, 2021 at 11:14:41AM +0200, Vladimir Oltean wrote: > From: Vladimir Oltean > > Because the bridge will start offloading SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS > while not serialized by any lock such as the br->lock spinlock, existing > drivers that treat that attribute and cache the

[Bridge] [PATCH v3 net-next 07/11] net: prep switchdev drivers for concurrent SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

From: Vladimir Oltean Because the bridge will start offloading SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS while not serialized by any lock such as the br->lock spinlock, existing drivers that treat that attribute and cache the brport flags might no longer work correctly. The issue is that the brport