netdev - Re: [RFC] ipv4: remove useless arg

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Message-ID: <1e418442-722d-488c-858d-8789736b1b5b@gmail.com>
Date: Tue, 26 Nov 2024 15:20:32 +0100
From: Eric Dumazet <eric.dumazet@...il.com>
To: tianyu2 <tianyu2@...nelsoft.com>, davem@...emloft.net
Cc: netdev@...r.kernel.org
Subject: Re: [RFC] ipv4: remove useless arg


On 11/26/24 2:19 PM, tianyu2 wrote:
> When I wanted to kprobe the ip_rcv_finish_core, I found that using x1 to
> pass "struct sk_buff *skb"."struct sock *sk" was not used in the
> function, causing the compiler to optimize away. This resulted in a
> hard to use kprobe. Why not delete him?
>
> Signed-off-by: tianyu2 <tianyu2@...nelsoft.com>
> ---

This is great seeing compilers being smart.

SGTM, please send this next week when net-next is open again.

Also do the same for ip_list_rcv_finish()