linux-kernel - Re: [PATCH net-next v5] net: skb: prevent the split of kfree_skb

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Date:   Wed, 24 Aug 2022 09:00:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Menglong Dong <menglong8.dong@...il.com>
Cc:     kuba@...nel.org, miguel.ojeda.sandonis@...il.com,
        segher@...nel.crashing.org, ndesaulniers@...gle.com,
        ojeda@...nel.org, davem@...emloft.net, edumazet@...gle.com,
        pabeni@...hat.com, asml.silence@...il.com, imagedong@...cent.com,
        luiz.von.dentz@...el.com, vasily.averin@...ux.dev,
        jk@...econstruct.com.au, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next v5] net: skb: prevent the split of kfree_skb_reason()
 by gcc

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@...emloft.net>:

On Sun, 21 Aug 2022 13:18:58 +0800 you wrote:
> From: Menglong Dong <imagedong@...cent.com>
> 
> Sometimes, gcc will optimize the function by spliting it to two or
> more functions. In this case, kfree_skb_reason() is splited to
> kfree_skb_reason and kfree_skb_reason.part.0. However, the
> function/tracepoint trace_kfree_skb() in it needs the return address
> of kfree_skb_reason().
> 
> [...]

Here is the summary with links:
  - [net-next,v5] net: skb: prevent the split of kfree_skb_reason() by gcc
    https://git.kernel.org/netdev/net-next/c/c205cc7534a9

You are awesome, thank you!
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