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From: Vladimir Oltean <olteanv@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH net v2] docs: net: fix documentation on .ndo_get_stats
Date: Tue, 5 Jan 2021 13:51:49 +0200	[thread overview]
Message-ID: <20210105115149.f64yqrup6rxte4dh@skbuf> (raw)
In-Reply-To: <20210105012224.1681573-1-kuba@kernel.org>

On Mon, Jan 04, 2021 at 05:22:24PM -0800, Jakub Kicinski wrote:
> Fix calling context.
> 
> Signed-off-by: Jakub Kicinski <kuba@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..e65665c5ab50 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, dev_base_lock rwlock, or RCU.
> +	Context: atomic (can't sleep under rwlock or RCU)
>  
>  ndo_start_xmit:
>  	Synchronization: __netif_tx_lock spinlock.
> -- 
> 2.26.2
> 

Reviewed-by: Vladimir Oltean <olteanv@gmail.com>

  reply	other threads:[~2021-01-05 11:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-05  1:22 [PATCH net v2] docs: net: fix documentation on .ndo_get_stats Jakub Kicinski
2021-01-05 11:51 ` Vladimir Oltean [this message]
2021-01-06  0:42 ` David Miller

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