netdev - Re: [PATCH net-next 9/9] inet_diag: skip over empty buckets

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Message-ID: <Za7huFhYnIydYK9J@debian>
Date: Mon, 22 Jan 2024 22:44:24 +0100
From: Guillaume Nault <gnault@...hat.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: "David S . Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	David Ahern <dsahern@...nel.org>,
	Kuniyuki Iwashima <kuniyu@...zon.com>,
	Martin KaFai Lau <kafai@...com>, netdev@...r.kernel.org,
	eric.dumazet@...il.com
Subject: Re: [PATCH net-next 9/9] inet_diag: skip over empty buckets

On Mon, Jan 22, 2024 at 11:26:03AM +0000, Eric Dumazet wrote:
> After the removal of inet_diag_table_mutex, sock_diag_table_mutex
> and sock_diag_mutex, I was able so see spinlock contention from
> inet_diag_dump_icsk() when running 100 parallel invocations.
> 
> It is time to skip over empty buckets.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Reviewed-by: Guillaume Nault <gnault@...hat.com>