From: Jakub Kicinski <kuba@kernel.org>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Tariq Toukan <ttoukan.linux@gmail.com>,
davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, ast@kernel.org, daniel@iogearbox.net,
hawk@kernel.org, john.fastabend@gmail.com, tariqt@nvidia.com,
bpf@vger.kernel.org
Subject: Re: [PATCH net] net: xdp: don't call notifiers during driver init
Date: Thu, 16 Mar 2023 14:59:42 -0700 [thread overview]
Message-ID: <20230316145942.6e67e405@kernel.org> (raw)
In-Reply-To: <20230316145418.3af738c3@kernel.org>
On Thu, 16 Mar 2023 14:54:18 -0700 Jakub Kicinski wrote:
> > does it make sense to run call_netdevice_notifiers() in xdp_set_features_flag()
> > just if dev->reg_state is NETREG_REGISTERED?
>
> I was thinking - we'll adjust it if someone complains, but indeed
> the detection is somewhat weak, a call on a dead device but under
> rtnl_lock won't warn. Let me just copy what the queue helpers do,
> exactly, then.
It's just a notifier, I think I'll go with == REGISTERED.
Let me send v2.
prev parent reply other threads:[~2023-03-16 21:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 0:29 [PATCH net] net: xdp: don't call notifiers during driver init Jakub Kicinski
2023-03-16 5:31 ` John Fastabend
2023-03-16 6:49 ` Tariq Toukan
2023-03-16 11:03 ` Lorenzo Bianconi
2023-03-16 21:54 ` Jakub Kicinski
2023-03-16 21:59 ` Jakub Kicinski [this message]
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