From: Joe Damato <jdamato@fastly.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org,
sdf@fomichev.me, hramamurthy@google.com, kuniyu@amazon.com
Subject: Re: [PATCH net-next 4/8] netdev: don't hold rtnl_lock over nl queue info get when possible
Date: Mon, 7 Apr 2025 19:28:10 -0700 [thread overview]
Message-ID: <Z_SJupHRfAAGLe-P@LQ3V64L9R2> (raw)
In-Reply-To: <20250407190117.16528-5-kuba@kernel.org>
On Mon, Apr 07, 2025 at 12:01:13PM -0700, Jakub Kicinski wrote:
> Netdev queue dump accesses: NAPI, memory providers, XSk pointers.
> All three are "ops protected" now, switch to the op compat locking.
> rtnl lock does not have to be taken for "ops locked" devices.
>
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> ---
> net/core/netdev-genl.c | 18 +++++++-----------
> 1 file changed, 7 insertions(+), 11 deletions(-)
Reviewed-by: Joe Damato <jdamato@fastly.com>
next prev parent reply other threads:[~2025-04-08 2:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-07 19:01 [PATCH net-next 0/8] net: depend on instance lock for queue related netlink ops Jakub Kicinski
2025-04-07 19:01 ` [PATCH net-next 1/8] net: avoid potential race between netdev_get_by_index_lock() and netns switch Jakub Kicinski
2025-04-08 2:40 ` Joe Damato
2025-04-07 19:01 ` [PATCH net-next 2/8] net: designate XSK pool pointers in queues as "ops protected" Jakub Kicinski
2025-04-08 2:17 ` Joe Damato
2025-04-08 14:59 ` Jakub Kicinski
2025-04-07 19:01 ` [PATCH net-next 3/8] netdev: add "ops compat locking" helpers Jakub Kicinski
2025-04-08 2:41 ` Joe Damato
2025-04-07 19:01 ` [PATCH net-next 4/8] netdev: don't hold rtnl_lock over nl queue info get when possible Jakub Kicinski
2025-04-08 2:28 ` Joe Damato [this message]
2025-04-07 19:01 ` [PATCH net-next 5/8] xdp: double protect netdev->xdp_flags with netdev->lock Jakub Kicinski
2025-04-08 2:30 ` Joe Damato
2025-04-07 19:01 ` [PATCH net-next 6/8] netdev: depend on netdev->lock for xdp features Jakub Kicinski
2025-04-08 2:31 ` Joe Damato
2025-04-07 19:01 ` [PATCH net-next 7/8] docs: netdev: break down the instance locking info per ops struct Jakub Kicinski
2025-04-08 2:34 ` Joe Damato
2025-04-08 15:08 ` Jakub Kicinski
2025-04-07 19:01 ` [PATCH net-next 8/8] netdev: depend on netdev->lock for qstats in ops locked drivers Jakub Kicinski
2025-04-08 2:37 ` Joe Damato
2025-04-08 0:28 ` [PATCH net-next 0/8] net: depend on instance lock for queue related netlink ops Stanislav Fomichev
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