linux-kernel - Re: [PATCH net-next 1/6] net: netfilter: use kfree_drop_reason() for NF

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Message-ID: <YfCbIWlhgAxCX1qp@salvia>
Date:   Wed, 26 Jan 2022 01:51:45 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     menglong8.dong@...il.com, rostedt@...dmis.org, mingo@...hat.com,
        davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kadlec@...filter.org, fw@...len.de, imagedong@...cent.com,
        edumazet@...gle.com, alobakin@...me, paulb@...dia.com,
        pabeni@...hat.com, talalahmad@...gle.com, haokexin@...il.com,
        keescook@...omium.org, memxor@...il.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        cong.wang@...edance.com
Subject: Re: [PATCH net-next 1/6] net: netfilter: use kfree_drop_reason() for
 NF_DROP

On Tue, Jan 25, 2022 at 03:32:14PM -0800, Jakub Kicinski wrote:
> On Mon, 24 Jan 2022 21:15:33 +0800 menglong8.dong@...il.com wrote:
> > From: Menglong Dong <imagedong@...cent.com>
> > 
> > Replace kfree_skb() with kfree_skb_reason() in nf_hook_slow() when
> > skb is dropped by reason of NF_DROP.
> 
> Netfilter folks, does this look good enough to you?
> 
> Do you prefer to take the netfilter changes via your tree? I'm asking
> because enum skb_drop_reason is probably going to be pretty hot so if
> the patch is simple enough maybe no point dealing with merge conflicts.

I also think it's easier if you take it through net.git.

Thanks for asking.