On Mon, 4 Jan 2021 12:42:27 +0200 Vladimir Oltean wrote: > On Wed, Dec 30, 2020 at 07:45:24PM -0800, Jakub Kicinski wrote: > > Fix calling context. > > > > Signed-off-by: Jakub Kicinski <k...@kernel.org> > > --- > > Documentation/networking/netdevices.rst | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/Documentation/networking/netdevices.rst > > b/Documentation/networking/netdevices.rst > > index 5a85fcc80c76..a80676f5477d 100644 > > --- a/Documentation/networking/netdevices.rst > > +++ b/Documentation/networking/netdevices.rst > > @@ -64,8 +64,8 @@ struct net_device synchronization rules > > Context: process > > > > ndo_get_stats: > > - Synchronization: dev_base_lock rwlock. > > - Context: nominally process, but don't sleep inside an rwlock > > + Synchronization: rtnl_lock() semaphore, or RCU. > > + Context: atomic > > > > ndo_start_xmit: > > Synchronization: __netif_tx_lock spinlock. > > And what happened to dev_base_lock? Did it suddenly go away?
I thought all callers switched to RCU. You investigated this in depth, did I miss something? I'm sending this correction because I have a series which adds to other sections of this file and this jumped out to me as incorrect.
