netdev - Re: [PATCH net-next 2/4] net: rps: annotate data-races around (struct sd_flow

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Message-ID: <67f41fbddfb31_3a74d529487@willemb.c.googlers.com.notmuch>
Date: Mon, 07 Apr 2025 14:55:57 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Eric Dumazet <edumazet@...gle.com>, 
 "David S . Miller" <davem@...emloft.net>, 
 Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <horms@...nel.org>, 
 Willem de Bruijn <willemb@...gle.com>, 
 netdev@...r.kernel.org, 
 eric.dumazet@...il.com, 
 Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 2/4] net: rps: annotate data-races around (struct
 sd_flow_limit)->count

Eric Dumazet wrote:
> softnet_seq_show() can read fl->count while another cpu
> updates this field from skb_flow_limit().
> 
> Make this field an 'unsigned int', as its only consumer
> only deals with 32 bit.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>