netdev - Re: [PATCH v2 net-next 14/14] net_sched: sch_skbprio: implement lockless skbprio

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Message-ID: <20240418150423.GE3975545@kernel.org>
Date: Thu, 18 Apr 2024 16:04:23 +0100
From: Simon Horman <horms@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Toke Høiland-Jørgensen <toke@...hat.com>,
	Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>,
	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH v2 net-next 14/14] net_sched: sch_skbprio: implement
 lockless skbprio_dump()

On Thu, Apr 18, 2024 at 07:32:48AM +0000, Eric Dumazet wrote:
> Instead of relying on RTNL, skbprio_dump() can use READ_ONCE()
> annotation, paired with WRITE_ONCE() one in skbprio_change().
> 
> Also add a READ_ONCE(sch->limit) in skbprio_enqueue().
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Reviewed-by: Simon Horman <horms@...nel.org>